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UL 9540 储能 中英对照

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2021-02-13 09:54
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2021年2月13日发(作者:天气的英文)


Subject 9540June 8, 2015


SUMMARY OF TOPICS


主题概要



The


following


requirements


for


the


Standard


for


Energy


Storage


Systems


and


Equipment, UL9540 are being proposed for preliminary review and comment only:1. For


Preliminary Review Only: The proposed first edition of the Standard for EnergyStorage


Systems and


Equipment, UL 9540. These requirements cover energy


storagesystems


that are intended to store energy from power or other sources and provideelectrical or


other


types


of


energy


to


loads


or


power


conversion


equipment.


The


energystorage


systems


may


include


equipment


for


charging,


discharging,


control,


protection,communication,


controlling


the


system


environment,


fuel


or


other


fluid


movement


andcontainment,


etc.


The


system


may


contain


other


ancillary


equipment


related to thefunctioning of the energy storage system.


建议对能源储存系统和设备标准

UL9540


的以下要求进行初步审查和评论:


1


。仅供初步审查:


建议的第一版“能源储存系统和设备标准”

< p>
UL


9540.


这些要求涉及旨在从电力或其他 来源储存


能源并向负载或电力转换设备提供电或其他类型能源的能源存储系统。能量系统 可以包括用于


充电,放电,控制,保护,通信,控制系统环境,燃料或其它流体运动和达 标等的设备。系统


可以包含与能量存储系统功能相关的其他辅助设备。

< br>


COMMENTS DUE: JUNE 26, 2015


This proposal is for


review and comment only (no ballot at this time).


Please note that


comments


on


apreliminary


review


document


will


not


receive


a


response


from


the


proposal


author through d, the proposal author will be asked to review the comments and


adjust the proposals and/orsupporting rationale as the author determines to be appropriate.



The preliminary review process is aninformal mechanism that provides authors with the


opportunity to refine their proposals before theyadvance to the next stage in UL’s standards


development process.


In some cases, the author of the proposals may choose to discontinue them. In this case,


the authorneed not do anything after preliminary review has ended. Normally, the next step in


the


process


is


themore


formal


STP


ballot


and


stakeholder


review


process.


Only


comments


posted during the STP ballotand stakeholder review process will be provided with a response


in CSDS.


For your convenience in review, proposed additions to existing requirements are shown


underlined andproposed deletions are shown lined-out.


此提案仅供审核和评论(此时不进行投票 )。请注意,关于初步审查文件的意见将不会通过


CSDS


收到 提案作者的回复。不过,提案作者将被要求审查意见,并根据作者认为适当的方式调


整提 案和


/


或支持理由。



初步审查过程是一种非正式机制,为作者提供了在


UL


到标准制定过程下一阶段之前完善其


提案的机会。


< p>
在某些情况下,


提案的作者可能会选择中止。


在这 种情况下,


作者在初步审查结束后不需要


做任何事情。通常,这 个过程的下一步是更加正式的


STP


投票和利益相关者审查过程 。只有在


STP


投票和利益相关者审查过程中发表的评论才会在


CSDS


中提供回应。



为了方便审查,现有要求的拟议增加显示为下划线,建议删除内容列出。



1. For Preliminary Review Only: The proposed first edition of the Standard for Energy


StorageSystems


and


Equipment,


UL


9540.


These


requirements


cover


energy


storage


systems


that


areintended


to


store


energy


from


power


or


other


sources


and


provide


electrical or other types ofenergy to loads or power conversion equipment. The energy


storage systems may includeequipment for charging, discharging, control, protection,


communication, controlling the systemenvironment, fuel or other fluid movement and


containment,


etc.


The


system


may


contain


otherancillary


equipment


related


to


the


functioning of the energy storage system.


1.


仅供初步审查:建议的第一版“能源储存 系统和设备标准”


UL


9540.


这 些要求涉及旨在从电


力或其他来源储存能源并提供电力或其他类型能源的能源储存系统负 载或电力转换设备。能量


存储系统可以包括用于充电,排放,控制,保护,通信,控制系 统环境,燃料或其它流体运动


和容纳等的设备。该系统可以包含与能量存储系统的功能相 关的其他辅助设备。



RATIONALE


Proposal submitted by: Laurie Florence, UL LLC


This standard covers safety criteria for electrical energy storage systems that are utilized


to


storeelectrical


energy


from


various


sources


(e.g.


wind,


photovoltaic,


etc.)


to


provide


electrical energy to a gridwhen needed. The products covered in this standard are


systems


that include the energy storagetechnology, power conversion and various components utilized


for an electrical energy storage system.


This standard attempts to address the safety of the system including the various parts of


the systemthrough reference of component safety standards or by inclusion of safety criteria in


the standard in theabsence of appropriate component safety standards.


基本原理



提交人:


Laurie Florence



UL LLC


该 标准涵盖用于存储来自各种源


(例如风,


光伏等)


的电能以在需要时向电网提供电能的电


能存储系统的安全标准。


本标准涵盖的产品包括能量存储技术,


电力转换和用于电能存储系统的


各种组件的系统。



本标准试图通过参考组件 安全标准来解决系统的各个部分的安全性,


或者在没有适当的组件


安全标准的情况下,将标准中包含安全标准。



SUBJECT 9540 -2- JUNE 8, 2015


CONTENTS


INTRODUCTION


1 Scope ……6



2 Components . .6


3 Units of Measurement . . . . .6


4 Undated References . . . . . .6


5 Reference Publications . . . .6


6 Glossary . . . .11


CONSTRUCTION


7 Non-Metallic Materials . . . .13


8 Metallic Parts Resistance to Corrosion .13


9 Enclosures and Guarding of Hazardous Parts . . . . . . .13


10 Walk-in Systems . . . . . . . .14


11 Wiring and Electrical Supply Connections . . . . . . . . . .15


12 General Electrical Service Equipment .16


13 Electrical Spacings and Separation of Circuits . . . . . .16


14 Insulation Levels and Protective Grounding . . . . . . .18


15 Safety Analysis and Control Systems .18


16 Remote Controls . . . . . . . .19


17 Communication Systems19


18 Heating and Cooling Systems . . . . . . . .19


19


Piping


Systems,


Pressure


Vessels,


Fuel


and


Other


Fluid


Supply


Connections


and


Controls .19


20 Containment of Moving Parts . . . . . . . . .20


21 Hazardous Liquid Spill Containment . . .20


22 Combustible Concentrations . . . . . . . . .20


23 Fire Detection and Suppression . . . . . .21


24 Utility Grid Interaction . . .22


24.1 General . . . . . . . . .22


24.2 Utility grid interactive inverter . .22


24.2.1 General . . .22


24.2.2 Performance . . . . . . . . . .23


24.3 Special purpose utility interactive energy storage systems .23


24.3.1 General . . .23


24.3.2 Performance . . . . . . . . . .24


24.3.3 Special purpose utility interconnection protection performance . .24


24.3.4 Abnormal tests . . . . . . . .25


24.3.5 Special purpose utility interactive product ratings, markings and instructions . .25


25 Energy Storage System Technologies .26


25.1 Electrochemical energy storage systems . . . .26


25.2 Chemical energy storage systems . . . . . . . . . .27


25.3 Mechanical energy storage systems . . . . . . . .27


25.4 Thermal energy storage systems . . . . . . . . . . .27


PERFORMANCE


26 General . . . .28


SUBJECT 9540 -3- JUNE 8, 2015


ELECTRICAL TESTS


27 Normal Operations Test .28


28 Dielectric Voltage Withstand Test . . . . .29


29 Grounding and Bonding Test . . . . . . . . .30


30 Insulation Resistance Test . . . . . . . . . . .30


MECHANICAL TESTS


31 Containment of Moving Parts . . . . . . . . .31


31.1 Over speed test . .31


31.2 Faulted securement test . . . . . .31


31.3 Blocked rotor test32


32 Leakage Tests . . . . . . . . .32


33 Strength Tests . . . . . . . . . .32


ENVIRONMENTAL TESTS


34 General . . . .33


MANUFACTURING AND PRODUCTION TESTS


35 Dielectric Voltage Withstand Test . . . . .33


MARKINGS


36 General . . . .34


INSTRUCTIONS


37 General . . . .35


APPENDIX A (Normative)


Standards for Components. A36


APPENDIX B (Informative)


French Language Markings


SUBJECT 9540 -4- JUNE 8, 2015


PROPOSAL


SUBJECT 9540 -5- JUNE 8, 2015


INTRODUCTION


1 Scope


1.1 These requirements cover energy storage systems that are intended to store energy from


power or


other


sources


and


provide


electrical


or


other


types


of


energy


to


loads


or


power


conversion


equipment. The


energy storage systems may include equipment for charging, discharging, control, protection,


communication,


controlling


the


system


environment,


fuel


or


other


fluid


movement


and


containment, etc.


The


system


may


contain


other


ancillary


equipment


related


to


the


functioning


of


the


energy


storage system.


1.2 These systems may be used in systems that are standalone to provide energy for local


loads, in


parallel with an electric power system, electric utility grid or applications that perform multiple


operational


modes.


1.3


These


are


intended


for


use


in


utility-interactive


applications


in


compliance


with


the


Standard for


Interconnecting


Distributed


Resources


with


Electric


Power


Systems,


IEEE


1547


and


the


Standard for


Conformance


Test


Procedures


for


Equipment


Interconnecting


Distributed


Resources


with


Electric Power


Systems, IEEE 1547.1 or other applications intended to provide grid support functionality.


1.4 The energy storage systems are to be installed in accordance with the national and local


electricalcodes and other applicable codes. This standard assumes that the final installation of


the energy storagesystem will be performed by qualified service personnel in accordance with


the


applicable


installationinstructions,


installation


practices


and


national


installation


codes.


Energy


storage


systems


are


intended


forinstallation


subject


to


approval


by


the


Authority


Having Jurisdiction.


1


适用范围



1.1


这些要求涉及接收电能然后以某种形式存储能量的储能系统,储能系统可以向


负载或本地


/


区域电力系统(


EPS


)提供电能。本标准涵盖的能量储能类型包括电化学,


化学,机械和热能。储能系统设备(构成一体式整体系统或连接系统时的匹配组件)可

< br>包括充放电控制,


保护,


电力转换,

通讯,


系统环境控制,


空气,


火灾 探测和抑制系统,


燃料或其他流体运动和储存等。


该系统可以包 含与能量存储系统的功能相关的其他辅助


设备。



1.2


本标准所涉及的系统包括以独立模式(例如孤岛)运行的系统,包括提 供电能


的“自供电”系统和并入电网使用的系统或应用多种操作模式。

< br>


1.3


安装要求,


除了与被测 试系统不可分割的系统提供的安装手册和安装文件之外,


这些要求不在本标准的范围之内 。安装说明表明,


储能系统应按照国家和地方电气规范


和其他适 用的规范进行安装。


本标准假定能量储存系统的最终安装将由合格的维修人员

< p>
根据适用的安装说明,


安装规范和国家安装规范进行。储能系统的安装须经 主管机关批


准。



1.4


储能系统应按照国家和地方电气规范和其他适用规范进行安装。本标准假定能


量储存系统的最终安装将由合格的维修人员根据适用的安装说明,


安装规范和国家安装< /p>


规范进行。储能系统用于安装,经管理部门批准。




2 Components


2.1 A component of a product covered by this standard shall comply with the requirements for


that


component. See Appendix A for a list of standards covering components generally used in the


products


covered by this standard.


2


组件



2. 1


本标准所涉产品的一个部件应符合其要求


< br>零件。有关涵盖产品通常使用的组件的标准列表,请参见附录


A.


本标准涵盖。



3 Units of Measurement


3.1


Values


stated


without


parentheses


are


the


requirement.


Values


in


parentheses


are


explanatory or


approximate information.


3


单位测量



3.1


没有括号的值是要求。括号中的值是解释性的或



近似信息。



4 Undated References


4.1


Any


undated


reference


to


a


code


or


standard


appearing


in


the


requirements


of


this


standard shall be


interpreted as referring to the latest edition of that code or standard.


4


未定参考



4.1


对本标准要求中出现的代码或标准的任何未注明日期的引用文件应为



解释为指代码或标准的最新版本。



5 Reference Publications


5.1 Products covered by this Standard shall comply with the reference installation codes and


Standardsnoted in this section as appropriate for the country where the product is to be used.


When the product isintended for use in more than one country, the product shall comply with


the installation codes andStandards for all countries where it is intended to be used.


5


参考出版物



5.1


本标准涵盖的产品应符合本节所述的参考安装规范和标准,适用于要使用产品的 国家。当产


品用于多个国家


/


地区时, 产品应符合旨在使用的所有国家的安装规范和标准。



SUBJECT 9540 -6- JUNE 8, 2015


5.2 The following standards are referenced in this standard, and portions of these referenced


standardscodes are identified in this standard may be essential for compliance.


5.2


本标准中引用了以下标准,并 且在本标准中标识了这些引用的标准代码的部分内容可能对遵


从性至关重要。

< p>


UL Standards


UL 50EEnclosures for Electrical Equipment, Environmental Considerations


电气设备外壳,环境注意事项



UL 252Compressed Gas Regulators


压缩气体调节器



UL 429Electrically Operated Valves


电动阀门



UL 746CPolymeric Materials



Use in Electrical Equipment Evaluations


聚合材料



-


用于电气设备评估



UL 840Insulation


Coordination


Including Clearances and Creepage Distances For


Electrical


Equipment


绝缘协调包括电气设备的间隙和漏电距离



UL 842Valves for Flammable Fluids


易燃液体阀门



UL 991Tests for Safety-Related Controls Employing Solid-State Devices


使用固态设备的安全相关控制测试



UL


1741Inverters,


Converters,


Controllers


and


Interconnection


System


Equipment


for


Use


With Distributed Energy


逆变器,转换器,控制器和分布式能源使用的互连系统设备



Resources


资源



UL 1973Batteries for Use in Light Electric Rail (LER) Applications and Stationary Applications


用于轻型电气轨(


LER


)应用和固定应用的电池



UL 1998Software in Programmable Components


可编程组件软件



UL 2200Stationary Engine Generator Assemblies


固定发动机发电机组件



UL


60730-1Automatic


Electrical


Controls


for


Household


and


Similar


Use,


Part


1:


General


Requirements


家用和类似用途的自动电气控制, 第


1


部分:一般要求



UL 60950-1Information Technology Equipment



Safety



Part 1: General Requirements


信息技术设备



-


安全



-



1


部分:一般要求

< br>


American Petroleum Institute


API 500


Recommended Practice for Classification of Locations for Electrical Installations at Petroleum


FacilitiesClassified as Class I, Division 1 and Division 2


美国石油学会



API 500


分类为


I


类,


1< /p>


区和


2


区的石油设施电气安装地点分类推 荐做法



API 505


Recommended Practice for Classification of Locations for Electrical Installations at Petroleum


FacilitiesClassified as Class I, Zone 0, Zone 1, and Zone 2


API 505 < /p>


分类为


I


类,


0


区,


1


区和


2


区的石油设施电气安装位置推荐做法



American Society of Mechanical Engineers (ASME) Codes


ASME B31


ASME Code for Pressure Piping (all applicable parts)


ASME BPVC


Boiler and Pressure Vessel Code


CSA Group Standards


C22.1


Canadian Electrical Code, Part I Safety Standard for Electrical Installations


C22.2 No. 0.15


Adhesive Labels


C22.2 No. 0.17


Evaluation of Properties of Polymeric Materials


C22.2 No. 0.2


Insulation Coordination


C22.2 No. 0.8


Safety Functions Incorporating Electronic Technology


C22.2 No. 14


Industrial Control Equipment


C22.2 No. 94.2


Enclosures for Electrical Equipment, Environmental Considerations


C22.2 No. 100


Motors and Generators


C22.2 No. 107.1


General Use Power Supplies


C22.2 No. 139


Electrically Operated Valves


C22.2 No. 60950-1


Information Technology Equipment



Safety



Part 1: General Requirement


C22.2 No. 60529


Degrees of Protection Provided By Enclosures (IP Code)


CSA FC 1


Fuel Cell Technologies



Part 3-100: Stationary Fuel Cell Power Systems



Safety


SUBJECT 9540 -8- JUNE 8, 2015


CSA B51


Boiler, Pressure Vessel, and Pressure Piping Code


CSA B52


Mechanical Refrigeration Code


CSA Z462


Workplace Electrical Safety


CSA Z662


Oil and Gas Pipeline Systems


E60730-1


Automatic Electrical Controls for Household and Similar Use



Part 1: General Requirements


International Association of Plumbing and Manufacturing Officials (IAPMO)


IAPMO ANSI UPC


Uniform Plumbing Code


International Codes Council (ICC)


ICC IFC


International Fire Code


ICC IFGC


International Fuel Gas Code


ICC IPC


International Plumbing Code


Institute of Electrical and Electronics Engineers (IEEE) Standards Association


IEEE C2


National Electrical Safety Code


IEEE 1547


Interconnecting Distributed Resources with Electric Power Systems


IEEE 1547.1


Conformance


Test


Procedures


for


Equipment


Interconnecting


Distributed


Resources


with


Electric Power


Systems


International Electrotechnical Commission (IEC) Standards


IEC 60417


Graphical Symbols for Use on Equipment


IEC 60529


Degrees of Protection Provided by Enclosures (IP Code)


IEC 61508


Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems


SUBJECT 9540 -9- JUNE 8, 2015


International Standards Organization (ISO) Standards


ISO No. 7010


Graphical Symbols



Safety Colours and Safety Signs



Registered Safety Signs


National Electrical Manufacturers Association (NEMA)


NEMA Z535.1


Safety Colors


NEMA Z535.2


Environmental and Facility Safety Signs


NEMA Z535.3


Criteria for Safety Symbols


NEMA Z535.4


Product Safety Signs and Labels


NEMA Z535.5


Safety Tags and Barricade Tape (for Temporary Hazards)


NEMA Z535.6


Product Safety Information in Product Manuals, Instructions, and Other Collateral Materials


National Fire Protection Association (NFPA) Codes and Standards


NFPA 2


Hydrogen Technologies Code


NFPA 30


Flammable and Combustible Liquids Code


NFPA 54


National Fuel Gas Code


NFPA 70


National Electrical Code


NFPA 70E


Standard for Electrical Safety in the Workplace


NFPA 79


Electrical Standard for Industrial Machinery


NFPA 497


Recommended Practice for the Classification of Flammable Liquids, Gases, or Vapors and of


Hazardous


(Classified) Locations for Electrical Installations in Chemical Process Areas


NFPA 551


Guide for the Evaluation of Fire Risk Assessments


SUBJECT 9540 -10- JUNE 8, 2015


NFPA 850


Recommended


Practice


for


Fire


Protection


for


Electric


Generating


Plants


and


High


Voltage


Direct Current


Converter Stations


NFPA 853


Standard for the Installation of Stationary Fuel Cell Power Systems


ULC Standards


ULC/C842


Guide for the Investigation of Valves for Flammable and Combustible Liquids


US Department of Defense (DOD) Standards


MIL STD 1629A


Procedures for Performing a Failure Mode, Effects, and Criticality Analysis


6 Glossary


6.1 For the purpose of this standard, the following definitions apply.


6.2 DUT



Device under test.


6.3 ENERGY STORAGE (ES) SYSTEM



Equipment that provides a means to store energy


throughelectrochemical or other means for later use to supply the utility grid or local grids. The


energy storagesystem may utilize one of the following technologies:


a)


ELECTROCHEMICAL


ENERGY


STORAGE


SYSTEM




Consists


of


a


secondary


battery,electrochemical capacitor, flow battery or hybrid battery-capacitor system that stores


energy andany associated controls or devices that can provide electric energy upon demand.


b)


CHEMICAL


ENERGY


STORAGE


SYSTEM




Consists


of


hydrogen


supply


equipment


orother fuel supply equipment combined with a fuel cell power system or generator to convert


thefuel to electrical energy.


c)


MECHANICAL


ENERGY


STORAGE


SYSTEM




Consists


of


a


mechanical


means


to


storeenergy


such


as


through


compressed


air,


pumped


water


or


fly


wheel


technologies


andassociated


controls


and


systems,


which


can


be


used


to


run


an


electric


generator


to


provideelectric energy upon demand.


d)


THERMAL


ENERGY


STORAGE


SYSTEM




Consists


of


an


system


that


uses


heated


fluidssuch


as


air


as


a


means


to


store


energy


along


with


associated


controls


and


systems,


which canbe used to run an electric generator to provide electrical energy upon demand.


6.4 ELECTRIC SHOCK HAZARD



A potential for exposure of persons to hazardous voltages


circuitsthrough


direct


contact


from


openings


in


protective


enclosures


and/or


insufficient


insulation betweenhazardous voltage circuits and accessible parts.


6.5 ENCLOSURE



The outer cover of the Energy Storage System that provides protection to


itscontents.


6.6 FUEL CELL POWER SYSTEM



Equipment that converts chemical energy in the form of a


fuel andoxidant into electrical energy with heat and by-products from the reaction.


6.7 HAZARDOUS VOLTAGE




In the United States, voltage exceeding 30 Vrms/42.4 Vac peak or 60 Vdc.


In Canada, voltage exceeding 30 Vrms/42.4 Vac peak or 42.4 Vdc.


6.8 INSULATION LEVELS



The following are levels of electrical insulation:


a)


BASIC




A


single


level


of


insulation


that


provides


protection


against


electric


shock.


Basicinsulation alone may not provide protection from electric shock in the event of a failure of


theinsulation.


b)


DOUBLE


INSULATION




Insulation


comprising


both


basic


insulation


and


supplementaryinsulation.


c) FUNCTIONAL INSULATION



Insulation that is necessary only for the correct functioning


ofthe equipment. Functional insulation by definition does not protect against electric shock. It


may,however, reduce the likelihood of ignition and fire.


d)


REINFORCED


INSULATION




Single


insulation


system


that


provides


a


degree


of


protectionagainst electric shock equivalent to double insulation under the conditions specified


in thisstandard. The term


?


insulation system


?


?


does not imply that the insulation has to be in


onehomogeneous


piece.


It


may


comprise


several


layers


that


cannot


be


tested


as


basic


insulationand supplementary insulation.


e)


SUPPLEMENTARY


INSULATION




Independent


insulation


applied


in


addition


to


basicinsulation


in


order


to


reduce


the


risk


of


electric


shock


in


the


event


of


a


failure


of


the


basicinsulation.


6.9


RESTRICTED


ACCESS


LOCATION




Location


for


energy


storage


system


equipment


where both ofthe following apply:


a)


Access


can


only


be


gained


by


service


persons


or


by


users


who


have


been


instructed


aboutthe reasons for


the restrictions


applied to the location and about any


precautions that


shall betaken; and


b)


Access


is


through


the


use


of


a


tool


or


lock


and


key,


or


other


means


of


security,


and


iscontrolled by the authority responsible for the location.


6.10


ROOM


AMBIENT




Considered


to


be


a


temperature


in


the


range


of


25


±



C


(77


±



F).


6.11 SAFETY CRITICAL CIRCUITS/COMPONENTS



Those circuits or discrete components


that arerelied upon for safety as identified in the safety analysis of 15.2.


6


词汇表



6 .1


为了本标准的目的,适用以下定义。



6.2 DUT -


被测设备。


< /p>


6.3


能源存储(


ES

< br>)系统



-


通过电化学或其他 方式提供储存能量的设备,供以后使用以供应公


用电网或本地电网。能量存储系统可以利 用以下技术之一:



a


)电化学能量储存系统



-


由二次电池,电化学电容器,流动电池或混合蓄电池



-


电容器系统


组成,用于存储能量和 任何可根据需要提供电能的相关控制或装置。



b



化学能源储存系统



-


由供氢设备或与燃料电池电力系统或发电机组合的其他燃料供应设备组

< br>成,以将燃料转换为电能。



c


)机械能源储存系统



-


包括通过压缩空气,抽水或飞轮技术储存能量的机械手段, 以及相关的


控制和系统,可用于运行发电机以根据需要提供电能。



d



热能储存系统



-


包括使用加热流体


(如 空气)


作为储存能量的手段以及相关控制系统的系统,


可用于运 行发电机以根据需要提供电能。



6.4


电击危险



-


通过直接接触保护外壳中的开口和


/


或危险电压电路和可触及部件之间的绝缘不


足,可能使人员暴 露于危险电压电路。



6.5


外壳



-


能量存储系统的外盖,可保护其内容物。



6.6


燃料电池系统



-


将燃料和氧化剂形式的化学能转化为电能的设备,具有反应 的热和副产物。



6.7


危险电压



-



在美国,电压超过


30 Vrms / 42.4 Vac


峰值或


60 Vdc




在加拿大,电压超过


30 Vrms / 42.4 Vac


峰值或


42.4 Vdc




6.8


绝缘水平



-


以下是电绝缘水平:



a


)基本



-


单级绝缘,提供防电击保护。如果绝缘层发生故障,单独的基本绝缘不能提供防电击


保护。



b


)双重绝缘



-


绝缘包括基本绝缘和辅助绝缘。



c


)功能绝缘



-


绝缘仅对设备正常工作是必需的。绝缘功能绝缘不能防止触 电。但是,可能会降


低点火和起火的可能性。



d


)加强绝缘



-


在本标准规定的条件下,提供相当于双重绝缘的触电防护等 级的单一绝缘系统。


术语


“绝缘系统”


不意味着绝缘体必须在一个均匀的部件中。


它可以包括几个不能作为基本绝缘

< p>
和辅助绝缘测试的层。



e


)辅助绝缘



-


除了基本绝缘外,还应采用独立绝缘,以减少基本绝缘故障 时的触电危险。



6.9


限制访问位置



-


以下两种能力存储系统设备的位置:



a


)只能由服务人员或被指示使用该地点限制理由的使用者以及应采取的预防措施获取通 路


;




b< /p>


)访问是通过使用工具或锁和钥匙或其他安全手段进行的,并由负责该位置的机构控制。< /p>



6.10


室内环境



-


被认为是


25

±


5


°


C



77


±


9


°


F


)范围内的温度。



6.11


安全关键电路


/


组件



-



15 .2


的安全分析中确定的那些依赖于安全性的电路或分立组件。



CONSTRUCTION


结构



7 Non-Metallic Materials


7.1


The


materials


employed


for


enclosures


shall


comply


with


the


applicable


enclosure


requirementsoutlined in the Standard for


Polymeric


Materials



Use in Electrical


Equipment


Evaluations, UL 746C, PathIII of the Enclosure Requirements, or the Standard for Evaluation


of Properties of Polymeric Materials,C22.2 No. 0.17.


7.2


The


following


factors


in


(a)




(e)


are


taken


into


consideration


when


an


enclosure


employingnonmetallic


materials


is


being


judged.


For


a


nonmetallic


enclosure


all


of


these


factors are to be consideredwith respect to thermal aging. Dimensional stability of a polymeric


enclosure is addressed by complianceto the mold stress relief test. Suitability to factors (a)



(e)


below may be determined by the tests of thisstandard


a) Resistance to impact;


b) Crush resistance;


c) Abnormal operations;


d) Severe conditions; and


e) Mold-Stress Relief Distortion.


7.3 Materials employed as electrical insulation in the system shall be resistant to deterioration


that wouldresult in an electrical shock, fire or other safety hazard. Insulation materials that are


in direct contact withor close proximity to hazardous live parts in accordance with Figure 6.1 of


the


Material


PropertyConsiderations


table


in


the


Standard


for


Polymeric


Materials




Use


in


Electrical


Equipment


Evaluations,UL


746C,


or


the


Standard


for


Evaluation


of


Properties


of


Polymeric Materials, C22.2 No. 0.17, shalladditionally meet the insulation criteria outlined in


that standard unless employed as part of a componentthat has been evaluated to a suitable


component standard. Insulated wiring is subjected to therequirements outlined in Section 11.


7.4


Gaskets


and


Seals


relied


upon


for


safety,


shall


be


determined


suitable


for


the


environmentalconditions


and


chemical


substances


they


are


anticipated


to


be


exposed


to


in


their end use.


7


非金属材料



7.1


用于外壳的材料应符合“高分子材料标准”



-


电气设备评估标准“


UL 746 C


”,“外壳要求


的第


III


路径”或“聚合材料性能评估标准”


C22


中概 述的适用外壳要求。



2


< p>
0.17




7.2


在评估使用非金属材料的外壳时,应考虑(


a




-



e


)中的以下因素。对于非金属外壳,所


有这些因素都将考虑热 老化。


聚合物外壳的尺寸稳定性通过符合模具应力消除测试来解决。

以下


因素(


a


< br>


-



e

)的适用性可以通过本标准的测试来确定



a


)抗冲击


;


b


)抗压性


;


c


)异常操作


;

d


)严重条件


;




e


)模具应力消除变形。



7.3


系统中用作电气绝缘的材料应能抵抗会导致触电,火灾或 其他安全隐患的劣化。绝缘材料与


危险活性部件直接接触或接近危险的活性部件,


符合


“聚合材料标准”


中的

< br>“材料特性注意事项”


表格


6.1


-


电气设备评估中使用的评估,


UL


746C


或“性能评估标准”高分子材料


C22.2



0.17


号应另外符合 该标准中概述的绝缘标准,


除非作为已被评估为合适组分标准的组分的一部分使用。


绝缘布线符合第


11


节中概述的要求。



7.4


垫片和密封件依赖于安全性,应确 定适合其最终用途中预期会暴露的环境条件和化学物质。



8 Metallic Parts Resistance to Corrosion


8


金属零件耐腐蚀



8.1 Metallic enclosures shall be corrosion resistant. A suitable plating or coating process can


achievecorrosion resistance. Additional guidance on methods to achieve corrosion protection


can


be


found


in


theStandard


for


Enclosures


for


Electrical


Equipment,


Environmental


Considerations,


UL


50E,


or


the


Standardfor


Enclosures


for


Electrical


Equipment,


Environmental Considerations, C22.2 No. 94.2.


8.1


金属外壳应具有耐腐蚀性。合适的电镀或涂覆工艺可以实现耐腐蚀性。关于实现防腐蚀的方


法的附加指导可参见“电气设备外壳标准”,“环境注意事项”,“


U L


50E


”或“电气设备外


壳标准” ,“环境注意事项”,


C22.2



9 4.2


条。



9 Enclosures and Guarding of Hazardous Parts


9


危险部件外壳和防护装置



9.1 The enclosure(s) of an Energy storage system shall have the strength and rigidity required


to resistthe possible physical abuses that it will be exposed to during its intended use, in order


to reduce the riskof fire or injury to persons.


9.2


Openings


in


the


enclosure


of


an


electric


energy


storage


system


shall


be


designed


to


preventinadvertent


access


to


hazardous


parts.


Compliance


is


determined


by


the


Tests


for


Protection AgainstAccess to Hazardous Parts Indicated by the First Characteristic Numeral,


Clause 12 of the Standard forDegrees of Protection Provided by Enclosures (IP Code), IEC


60529 , or the Standard for Degrees ofProtection Provided by Enclosures (IP Code), C22.2 No.


60529, for a minimum IP rating of IP2X withconsideration of the end use installation.


Exception No. 1: An Energy storage system intended for location in restricted access locations


need notmeet this accessibility criterion if provided with warning markings for service and other


personnel


havingaccess


to


the


system.


Protection


from


access


to


hazardous


live


parts


in


restricted


locations


shall


be


inaccordance


with


Article


110


of


the


National


Electrical


Code,


NFPA 70, or Section 2 of the CanadianElectrical Code, Part I Safety Standard for Electrical


Installations,


C22.1,


or


Section


124


of


the


NationalElectrical


Safety


Code,


IEEE


C2,


as


applicable.


Suitable


cautionary


warnings


and


signage


for


identifyingexposed


hazardous


voltage circuits shall be provided for protection of service personnel. Note that Article110 of the


National


Electrical


Code,


NFPA


70


in


its


entirety


covers


more


than


Section


2


of


the


CanadianElectrical Code, Part I Safety Standard for Electrical Installations, C22.1.


Exception


No.


2:


Additional


provisions


for


systems


containing


circuit


in


excess


of


600


V


nominal that arelocated in areas where there is access by unqualified persons shall comply


with the additionalrequirements of Article 110 Section III of the National Electrical Code, NFPA


70,


or


Section


2


of


theCanadian


Electrical


Code,


Part


I


Safety


Standard


for


Electrical


Installations,


C22.1.


Note


that


Article


110of


the


National


Electrical


Code,


NFPA


70


in


its


entirety covers more than Section 2 of the CanadianElectrical Code, Part I Safety Standard for


Electrical Installations, C22.1.9.3 In a service access areas, bare parts of hazardous voltage


circuits, shall be located or guarded sothat accidental shorting across opposite polarity, or to


ground, SELV circuits or communications circuits,for example by tools or test probes used by


service personnel, is unlikely. Parts in a Class 2 or limitedpower circuits need not be located or


guarded from accidental contact by service personnel.


9.4 Enclosures of systems located where they will be subject to exposure to water and other


elementsshall


be


rated


for


the


level


of


intended


exposure


as


outlined


in


Article


110


of


the


National Electrical Code,NFPA 70, or Section 2 of the Canadian Electrical Code, Part I Safety


Standard


for


Electrical


Installations,C22.1.


Installation


instructions


shall


indicate


restrictions


with regard to ingress from the environmentbased upon the enclosure rating. Note that Article


110 of the National Electrical Code, NFPA 70 in itsentirety covers more than Section 2 of the


Canadian Electrical Code, Part I Safety Standard for ElectricalInstallations, C22.1.

< p>
9.1


能量储存系统的外壳应具有抵抗在其预期用途期间可能遭受的可能的 身体虐待所需的强度和


刚度,以减少对人员造成火灾或伤害的危险。


9.2


电能存储系统外壳中的开口应设计成防止无意中进 入危险部件。合规性由“第一特征数字指


示的防止危险部件防护检测”,“外壳防护等级 (


IP


代码)”,“


IEC 6052 9


”或“外壳防护等


级标准”第


12< /p>


条确定(


IP Code


),


C22.2 No. 60529


,考虑到最终用途安装,


IP2X


的最低


IP



级。



例外情况


1


:如果为服务和其他访问系统的人员提供 警告标志,则用于限制访问位置的能量存储


系统不需要达到该可访问性标准。

< p>
禁止在受限制地点进入危险活动部件的防护应符合


“美国电气


规范”第


110


条,


NFP A 70


或加拿大电气规范第


2


部分, 电气安装安全标准


C22.1


或第


12 4


条的国


家电气安全规范,


IEEE C2


,适用。为确保维修人员的保护,应提供适当的警告警告和识别暴露


危险电压电路的标牌。请注意,“国家电气规范”第


110

条,


NFPA 70


全部内容超过“加拿大电


气规范”第


1


部分“电气安装安全标准”

< p>
C22.1



2


节。



例外情况


2


:位 于不合格人员进入区域的超过


600


V


标称电路的系统的附加规定应符合“国家电


气规范”第


NFP A


70


条或第


110


条第


III


部分的附加要求,加拿大电气规范第


2


部分,第


I


部分电 气


安装安全标准


C22.1


。请注意, “国家电气规范”第


110


条,


NFP A


70


全部内容超过“加拿大电


气规 范”第


1


部分“电气安装安全标准”


C 22.1



2


节。


9.3


在危险电压电路的裸露部位,应设置


或保护危险电压电路的裸露部分,


以便例如使用维修人员使用的工具或测试探 头,


使相反极性或


接地的


SELV


电路或通信电路发生意外短路。不太可能。第


2

类或有限电源电路中的部件不需要


被维护人员定位或防范意外接触。



9.4


位于其将接触水和其他元素的系统的外壳应按 照“加拿大电气规范”第


110


条的“国家电气


规范”,“


NFPA 70


”或“加拿大电气规范”第


2


部分


I


电气 安装安全标准,


C22.1


。安装说明书


应根据外壳等级,对环境中的入口施加限制。请注意,“国家电气规范”第


110


条,


NFPA 70


部内容超过“加拿大电气规范”第


1


部分“电气安装安全标 准”


C22.1



2

< br>节。



10 Walk-in Systems


10


步入系统



10.1


Where


persons


can


fully


enter


the


energy


storage


system


enclosure,


procedures


for


access to andexiting the system shall be provided in the product’s technical documentation.


Means shall be provided toprevent unauthorized persons from entering the enclosure of a walk


in


system.


Electrical


equipment


roomsor


enclosures


housing


electrical


apparatus


that


are


controlled by a lock(s) shall be considered accessibleonly to qualified persons.


10.2 Entrances to the enclosure shall be designed to prevent persons from becoming trapped


within


theenclosure


(i.e.


entry


ways


shall


be


able


to


be


opened


from


inside


the


enclosure


without use of a tool orkey should they become closed.


10.3


Work


space


dimensions


and


requirements


within


walk


in


enclosures


shall


be


in


accordance with theNational Electrical Code, NFPA 70, the Canadian Electrical Code, Part I


Safety Standard for ElectricalInstallations, C22.1, or the National Electrical Safety Code, IEEE


C2 as applicable to the energy storagesystem.


10.4 Areas of access shall be designed to prevent tripping, slipping or falling when persons


enter,


exit


orwhile


within


the


system.


Surfaces


and


parts


within


a


walk


in


energy


storage


system


shall


be


designed


toprevent


inadvertent


hazards


to


personnel


within


the


enclosure


through


appropriate


guarding,


electrical


andthermal


insulation


methods


and


cautionary


warnings and signage in accordance with this standard.


10.5 Protection against contact with hazardous voltage parts in walk-in enclosures shall be in


accordancewith 9.2 or through the use of guarding to prevent access with cautionary warnings


and signage whereonly qualified personnel are allowed access. Entrances to rooms and other


guarded locations that containexposed live parts shall be marked with conspicuous warning


signs forbidding unqualified persons toenter.


10.6


Energy


storage


system


enclosures


that


can


be


fully


entered


by


persons


shall


have


adequateventilation for persons working within the enclosure.


10.7


Electrical


circuits


that


are


an


integral


part


of


the


walk-in


enclosure


including


lighting,


controls,


power,HVAC


(heating,


ventilation


and


air-conditioning),


emergency


lighting,


alarm


circuits,


and


the


like


shallcomply


with


the


appropriate


requirements


for


the


equipment


and


energy storage system use andinstallation.


10.8


Electrical


equipment


that


is


located


in


the


walk


in


enclosure


in


areas


subject


to


condensation, or theeffects of condensation (e.g. dripping from chilled pipes or surfaces), shall


be suitable for outdoor use orsuitably protected against contact with water.


10.9 Lighting within walk in enclosures shall be installed in accordance with Article 410 of the


NationalElectrical


Code,


NFPA


70


,


or


Section


30


of


the


Canadian


Electrical


Code,


Part


I


Safety Standard forElectrical Installations, C22.1.

< p>
10.1


如果人员可以完全进入储能系统外壳,


则 在产品技术文档中应提供进出系统的程序。


应提供


手段,


以防止未经授权的人员进入系统散步的围墙。


电气设备室或外壳,


由电锁设备控制的电气


设备,应视为只有合格人员可以使用。



10.2


外壳的入口应设计成防止人员被困 在外壳内


(即如果密封件不使用工具或钥匙,


则进入方式


应能从外壳内部打开。



10.3

< p>
机柜内行走时的工作空间尺寸和要求应符合国家电气规范,


NFPA 70



加拿大电气规范,



一部分电气安装安全标准


C22.1


或国家电气安全规 范,


IEEE C2


适用于储能系统。



10.4


进入区域应设计为防止人员进入,

离开或系统内时跳闸,


滑倒或坠落。


能量储存系统散步中< /p>


的表面和部件应设计成通过适当的防护,


电气和隔热方法以及根据 本标准的警告警告和标牌来防


止对外壳内人员的无意的危害。



10.5


防护接触危险电压部件在步入式外壳应符合

< p>
9.2


或通过使用防护,以防止访问警告警告和标


牌,


只有合格的人员才能进入。


带有暴露的带电部件的房间和其 他守卫处的入口应标有明显的警


告标志,禁止不合格人员进入。



10.6


可由人员完全输入的储能系统外壳对于在外壳内工作的 人员应具有足够的通风。



10.7


作 为步入式外壳的组成部分的电路,


包括照明,


控制,

< p>
电源,


暖通空调


(加热,


通风和空调)



应急照明,报警电路等,应符合设备的相应要求 和储能系统的使用和安装。



10.8


位于围墙内散步区域的电气设备,


或凝结作用


(如冷冻管或表面 滴水)


应适合户外使用或适


当防止与水接触。

< br>


10.9


根据“国家电气规范”第

410


条,


“加拿大电气规范”第一部分“电气安装安全标 准”


C22.1


“加拿大电气规范”第


410


条,安装照明。



11 Wiring and Electrical Supply Connections


11


接线和电源连接



11.1 Wiring shall be insulated and acceptable for the purpose, when considered with respect


totemperature,


voltage,


and


the


conditions


of


service


to


which


the


wiring


is


likely


to


be


subjected within theequipment.


11.2 Wiring methods and electrical supply connections of the energy storage system shall be


inaccordance with the National Electrical Code, NFPA 70, the Canadian Electrical Code, Part I


SafetyStandard for Electrical Installations, C22.1, or the National Electrical Safety Code, IEEE


C2 as applicableto where the system is located.


11.3 Field-wiring compartments in which branch circuit connections are to be made shall:


a) Permit the connection of the supply wires after the energy storage system is installed;


b) Permit the connection to be introduced and connected easily; and


c)


Be


located


so


that


the


connections


may


be


readily


inspected


after


the


energy


storage


systemis installed.


11.4 Internal wiring shall be routed, supported, clamped or secured in a manner that reduces


thelikelihood


of excessive strain on


wire and on terminal connections; loosening of terminal


connections;


anddamage


of


conductor


insulation.


In


safety


critical


circuits,


for


soldered


terminations, the conductor shall bepositioned or fixed so that reliance is not placed upon the


soldering alone to maintain the conductor inposition.


11.5


A


hole


by


which


insulated


wires


pass


through


a


metal


wall


shall


be


provided


with


a


smoothly roundedbushing or shall have smooth surfaces, free of burrs, fins, sharp edges, and


the like, upon which the wiresmay bear, to prevent abrasion of the insulation.


11.6 Protection against lightning surges shall be provided in accordance with the requirements


of theNational Electrical Code, NFPA 70, the Canadian Electrical Code, Part I Safety Standard


for ElectricalInstallations, C22.1, or the National Electrical Safety Code, IEEE C2.


11.1


为了达到目的,


当考虑到设备内布线可能受到的温度,


电压和使用条件的考虑时,


接线应该


是绝缘的和可接 受的。



11.2


储能系统的接线方式 和电源连接应符合国家电气规范,


NFPA


70


,加拿大电气规范,第


I



分电气安装安全标准


C22.1


或国家电气安全规范

< p>
IEEE C2


适用于系统所在的位置。



11.3


要进行分支电路连接的现场接线室应:



a


)在安装储能系统后,允许电源线的连接


;


b


)允许连接引入和连接方便

;




c


)定位,以便在安装储能系统后可以方便地检查连接。



11. 4


内部接线应以布线,


支撑,


夹紧或固 定的方式进行,


以减少线材和端子连接处过度应变的可


能性


;


终端连接松动


;


导体绝缘损坏。在安全关键电路中,对于焊接端子,导体应定位或固定,以


使其不依赖于 单独的焊接以将导体保持在适当的位置。



11.5

< p>
绝缘电线穿过金属壁的孔应设置有平滑的圆形衬套,


或者应具有光滑的表面 ,


没有电线可能


承受的毛刺,翅片,尖锐边缘等,以防止磨损绝 缘。



11.6


防雷击的防护应按照国 家电气规范,


NFPA


70


,加拿大 电气规范,


I


部分电气安装安全标准


C 22.1


或国家电气安全规范


IEEE C2


的要求提供。



12 General Electrical Service Equipment


12


通用电气服务设备



12.1 For operator replaceable fuses, a fuse replacement marking with the fuse ratings shall be


locatedadjacent


to


each


fuse


or


fuse


holder,


or


on


the


fuse


holder,


or


in


another


location


provided that it is obviousto which fuse the marking applies. Where operator replaceable fuses


with special characteristics such


astime delay


or


breaking capacity


are


necessary, the type


shall also be indicated. Information on proper fusereplacement of operator replaceable fuses


shall also be included in the routine service manualinstructions.


12.2 A hazardous voltage energy storage system shall have a manual disconnect to prevent


inadvertentaccess to hazardous voltage parts during servicing. The manual disconnect shall


be in a locationaccessible to the technician servicing the system and as close to the system


being disconnected aspossible.


12.3 Fuses, circuit breakers and disconnect devices shall be rated for the application including


faultcurrent ratings, suitability for disconnect under load, etc., as applicable to the device and


application in thesystem.


12.4 Power transformers installed as part of the energy storage system shall be of the dry type


or typefilled with a noncombustible dielectric medium. Such transformers shall be installed in


accordance with therequirements of the National Electrical Code, NFPA 70, or the Canadian


Electrical Code, Part I SafetyStandard for Electrical Installations, C22.1.


12.5 Convenience receptacles provided for maintenance and servicing of the energy storage


system shallbe rated for outdoor use if located where exposed to the environment.


12.1


对于操作员可更换的保险 丝,


带有保险丝额定值的保险丝更换标记应位于每个保险丝或保险


丝座,


保险丝座或其他位置的附近,


只要标记适用于哪个保险 丝即可。


如果需要具有特殊特性


(如


延 时或分断能力)


的操作员可更换的保险丝,


也应指明类型。


关于操作员更换保险丝更换保险丝


的信息也应包括在日常维护手册中 。



12.2


危险电压储能系统应具有 手动断开连接,


以防止在维修期间无意中进入危险电压部件。


手 动


断开连接应位于技术人员可以访问的位置,并且尽可能靠近系统断开连接。

< p>


12.3


适用于系统中的设备和应用,保险丝, 断路器和断开装置的额定值应包括故障电流额定值,


负载断开适用性等。



12.4


作为能量存储系统一部分安装的电力变压器 应为填充有不可燃电介质的干式或类型。


这种变


压器应按照国家 电气规范,


NFPA 70


或加拿大电气规范,



I


部分电气安装安全标准


C 22.1


的要求


进行安装。



12.5


为储能系统的维护和保养提供便利的容器,

如果处于暴露于环境中的地方,


应进行户外使用。



13 Electrical Spacings and Separation of Circuits


13


电气间隔和电路分离



13.1 Electrical circuits within the energy storage system at opposite polarity shall be provided


with reliablephysical spacing to prevent inadvertent


short circuits (i.e.


electrical spacings on


printed


wiring


boards,physical


securing


of


uninsulated


leads


and


parts,


etc.).


Insulation


suitable for the anticipated temperaturesand voltages shall be used where spacings cannot be


controlled by reliable physical separation.


13.2 Electrical spacings in circuits shall have the following minimum over surface and through


airspacings as outlined in Table 13.1 or as outlined in the Standard for Information Technology


EquipmentSafety



Part 1: General Requirements, UL 60950-1/C22.2 No. 60950-1, the clause


for Clearances,Creepage Distances and Distances Through Insulation.


Exception No. 1: As an alternative, the spacing requirements in the


Standard for


Insulation


CoordinationIncluding Clearances and Creepage Distances For Electrical Equipment, UL 840


or the Standard forInsulation Coordination, C22.2 No. 0.2, may be used. For determination of


clearances, a dc source suchas a battery does not have an overvoltage category as outlined in


the


section


for


Components


of


UL


840or


C22.2


No.


0.2


unless


charged


through


a


source


connected to a mains supply. The anticipated pollutiondegree is determined by the design and


application


of


the


electrical


energy


storage


assembly


orsubassembly


under


ion


No.


2:


Electrical


spacings


within


components


and


parts


of


an


energy


storage


system


previouslydetermined


to


comply


with


an


appropriate


safety


standard


for


the


equipment need not be evaluated.


13.1


相 反极性的储能系统内的电路应具有可靠的物理间距,


以防止意外的短路

< br>(即印刷电路板上


的电气间隔,非绝缘引线和部件的物理固定等)。


如果不能通过可靠的物理分离来控制间隔,



应使用 适合于预期温度和电压的绝缘。



13.2

电路中的电气间距应具有如表


13.1


或信息技术设备安全 标准



-



1


部分:一般要求,


UL


60950-1 / C22.2 No.60950


中所列的 表面和通风空间的最小值


-1


,通过绝缘的间隙,漏电距离和< /p>


距离的条款。



例外

1


:作为替代,可以使用包括电气设备的间隙和爬电距离的绝缘协调标准中的间隔要 求,


UL


840


或绝缘配合标准


C22.2



0.2


号。为了确定间隙,除了通过连接到电源的电源进行充电之外,


直流电源(例如电池) 不具有


UL


840



C22.2



0.2


组件部分 所述的过电压类别。预期的污染程


度取决于评估中的电能存储组件或组件的设计和应用。 例外情况


2


:先前确定符合设备适当安全


标准的能源存储系统的部件和部件内的电气间距不需要评估。



Table 13.1


Electrical spacings


Part


Voltage Through air Over surface



13.1


电气间距



部分



电压通过空气过表面



V in (mm) in (mm)


Live parts and dead metal parts that areseparated by Functional or basic insulation.


通过功能或基本绝缘分隔的活动零件和死金属零件。



0



50


a


1/16 (1.6) 1/16 (1.6)


51



130 1/8 (3.2) 3/16 (4.8)


131



300 1/4 (6.4) 3/8 (9.5)


Accessible dead metal parts and dead metalparts separated from live parts by basicinsulation only



this ordinarily is a


spacingresulting from supplementary insulation.


只能通过基本绝缘材料将可触 及的死金属部件和死金属部件与带电部件分开



-


这通常是由辅助绝缘产生的间距。



0



50


a


1/16 (1.6) 1/16 (1.6)


51



13 1/8 (3.2) 3/16 (4.8)


131



300 1/4 (6.4) 3/8 (9.5)


Live parts and accessible dead metal partsseparated by double insulation or by reinforcedinsulation.


活动部件和可访问的死金属部件由双重绝缘或加强绝缘隔开。



0



50


a


1/8 (3.2) 1/8 (3.2)


51



130 3/16 (4.8) 1/ 4 (6.4)


131



300 1/2 (2.8) 1/2 (12.8)


Between any uninsulated live part and anuninsulated live part of opposite polarity, anuninsulated grounded part other


than theenclosure, or an exposed metal part (basicinsulation).


在任何未绝缘的带电部件和相反极性的非绝缘 带电部件之间,除外壳之外的未绝缘的接地部件或暴露的金属部件(基本


绝缘)。



301



600 3/8 (9.5) 1/2 (12.7)


601



1000 0.55 (14.0) 0.70 (17.8)


1001



1500 0.85 (21.6) 1.20 (30.5)


Between any uninsulated live part and the wallsof a metal enclosure, including fittings for conduitor armored cable


(basic insulation.


在未绝缘的活动部件和金属外壳的墙壁之间,包括导管或铠装电缆的配件(基本绝缘)。



301



600 1/2 (12.7) 1/2 (12.7)


601



1000 0.80 (20.3) 1.00 (25.4)


1001



1500 1.20 (30.5) 1.65 (41.9)


a


Spacings at these voltages may be decreased from those indicated in the table if it can be determined through test


oranalysis


that


there


is


no


hazard


(i.e.


circuits


supplied


by


limited


power


sources


as


defined


in


the


Standard


for


InformationTechnology Equipment Safety



Part 1: General Requirements, UL 60950-1/C22.2 No. 60950-1).

< p>
如果可以通过测试或分析确定没有危害(即信息技术设备安全标准第


1


部分所定义的有限电源提供的电路),则可以从


表中指出的那些电压 减小这些电压的间距:一般要求,


UL 60950-1 / C22.2 No.60950-1


)。



13.3


There


are


no


minimum


spacings


applicable


to


parts


where


insulating


compound


completely fills thecasing of a compound or subassembly if the distance through the insulation,


at


voltages


above


60


Vdc


orabove


30


Vrms


is


a


minimum


of


0.4-mm


(0.02-in)


thick


for


supplementary


or


reinforced


insulation,


andpasses


the


Dielectric


Voltage


Withstand


Test.


There is no minimum insulation thickness requirement forinsulation of circuits at or below 60


Vdc or for basic or functional insulation. Some examples includepotting, encapsulation, and


vacuum impregnation.


In Canada, replace both occurrences of


?


60 Vdc


?


?


with


?


42.4 Vdc


?


.


13.4


Conductors


of


circuits


operating


at


different


voltages


shall


be


reliably


separated


from


each otherthrough the use of mechanical securements such as barriers or wire ties to maintain


spacingsrequirements unless they are each provided with insulation acceptable for the highest


voltage insulated conductor shall be reliably retained so that it cannot contact an


uninsulated live part of acircuit operating at a different voltage.


13.3


绝缘材料完全填充化合物或子组件的外壳的部件的最小间距没有最小值 ,如果超过


60


Vdc


或高于


30 Vrms


的绝缘体的距离最小为


0.4mm


< p>
0.02-in


)厚用于补充或加强绝缘,并通过绝缘耐

< br>压试验。对于等于或低于


60


Vdc

< br>或基本或功能绝缘的电路绝缘没有最小绝缘厚度要求。一些实


例包括灌封,封装和 真空浸渍。



在加拿大,将两次出现的


60Vdc


?与


42.4Vdc


?替换 。



13.4


在不同电压下工作的电路 的导体应通过使用机械固定件


(例如屏障或电线扎带)


彼此可靠 地


分开,


以保持间隔要求,


除非它们各 自具有所涉及的最高电压可接受的绝缘。


绝缘导体应可靠地


保持 ,使其不能接触以不同电压工作的电路的未绝缘带电部分。



14 Insulation Levels and Protective Grounding


14


绝缘等级和保护接地



14.1 Hazardous voltage circuits shall be insulated from accessible conductive parts and safety


extra lowvoltage (SELV) circuits as outlined in 14.2 through the following:


a) Basic insulation and provided with a protective grounding system for protection in the event


of a fault of the basic insulation that complies with 14.3;


b) A system of double or reinforced insulation; or


c) A combination of (a) and (b).


14.2 Safety extra low voltage (SELV) circuits (i.e. circuits at or below 60 Vdc or 48 Vrms under


normaland single fault conditions) that are insulated from accessible conductive parts through


functionalinsulation only are considered accessible.


Another


term used for similar


circuits is


protective extra lowvoltage (PELV).In Canada, replace


?


60 Vdc or 48 Vrms


?


?


with


?


42.4 Vdc


or 30 Vrms


?


.


14.3


Accessible


non-current


carrying


metal


parts


of


an


energy


storage


system


containing


hazardousvoltage circuits that could


become live


in the event of an


insulation fault shall be


bonded to the equipmentground terminal.


14.4 The protective grounding methods of an energy storage system shall be in accordance


with Article250 of the National Electrical Code, NFPA 70, Section 10 of the Canadian Electrical


Code,


Part


I


SafetyStandard


for


Electrical


Installations,


C22.1,


or


Section


9


of


the


National


Electrical Safety Code, IEEE C2as applicable to where the system is located.


14.5


Parts


of


the


protective


grounding


system


shall


be


reliable


secured


and


provided


with


goodmetal-to-metal contact.


14.1


危险电压电路应与


14.2


所 述的可接触的导电部件和安全超低电压(


SELV


)电路绝缘如 下:



a


)基本绝缘,并提供保护接地 系统,以保护事件



基本绝缘故障符合


14.3;


b


)双层或加强绝缘体系


;


要么



c


)(


a


)和(


b


)的组合。



14.2


通过功能绝缘仅与可接触的导电部件绝缘的安全超低电压(< /p>


SELV


)电路(即在正常和单一


故障条 件下等于或低于


60 Vdc



48 Vrms


的电路)


被认为是可访问的。


用于类似电路的另一个术


语是保护性超低电压(


PELV


)。在加拿大,用


42VDC



48Vrms


?替换为


42.4VDC



30Vrms2




14.3


含有危险电压电路的能量储存系统的无电流携带金属部件,


如果发生绝缘故障,


应连接到设


备接地 端子。



14.4


储能系统的保护接地 方法应符合“国家电气规范”第


250


条,“

< br>NFPA 70


”,“加拿大电气


规范”第


10


部分,“电气安装安全标准”,“


C22.1< /p>


”或“国家电气安全规范,


IEEE C2


适用于


系统所在的地方。



14.5


部分保护接地系统应可靠固定,并提供良好的金属对金属接触 。



15 Safety Analysis and Control Systems


15


安全分析与控制系统



15.1 Energy storage systems shall be provided with a safety analysis such as a failure modes


and effectsanalysis (FMEA) that identifies critical safety components and circuits of the system.


Guidance for analysiscan be found in the following standards:


a) The Standard for Analysis Techniques for System Reliability



Procedures for Failure Mode


and Effects Analysis (FMEA), IEC 60812;


b) The Standard for Fault Tree Analysis (FTA), IEC 61502; and


c) The Procedures for Performing a Failure Mode, Effects, and Criticality Analysis, MIL STD


1629A.


15.2 Electrical and electronic controls of the energy storage system that are determined to be


critical forsafety


are to comply


with an


appropriate safety standard for


the control and


used


within their onics and software controls determined to be critical for safety are to


be evaluated for functionalsafety to an appropriate safety integrity level (SIL) or similar safety


classification


for


the


system


asdetermined


by


the


system


safety


analysis.


Compliance


to


functional safety requirements can bedemonstrated through evaluation to one or more of the


following standards as applicable to the system:


a) The Standard for Tests for Safety Related Control Employing Solid-State Devices, UL 991,


or the Standard for Safety Functions Incorporating Electronic Technology, C22.2 No. 0.8;


b) The Standard for Software in Programmable Components, UL 1998;


c) The Standard for Automatic Electrical Controls for Household and Similar Use



Part 1:


General


Requirements,


UL


60730-1,


or


the


Standard


for


Automatic


Electrical


Controls


forHousehold and Similar Use



Part 1: General Requirements, E60730-1; ord) The Standard


for Functional Safety of Electrical/Electronic/Programmable Electronic SafetyRelated Systems,


IEC 61508 (all parts).


15.1


储能系统应提供安全分析,如故障模 式和影响分析(


FMEA


),用于识别系统的关键安全部


件和电路。分析指导可以在以下标准中找到:



a


)系统可靠性分析技术标准



-


故障模式程序


< br>和影响分析(


FMEA


),


IE C 60812;


b


)故障树分析标准(

FTA


),


IEC 61502;




c

< br>)执行故障模式,影响和关键性分析的程序,


MIL STD


1629A




15.2


确定对安全至关重要的储能系统的电气和电子控制应符合相应的控制安全标准 并在其额定


值内使用。


被确定为对安全至关重要的电子和软件控 制措施应根据系统安全分析确定的功能安全


性进行评估,以达到系统的适当安全完整性级 别(


SIL


)或类似的安全分类。符合功能安全要求

< p>
可以通过评估适用于系统的以下一个或多个标准来证明:



a


)使用固态设备的安全相关控制测试标准,


UL 991




或“电子技术安全功能标准 ”


C22.2



0.8



;


b


)可编程组件软件标准,


UL 1998;


c


)家用和类似用途自动电气控制标准



-



1


部分:



一般要求,


UL 60730-1


或家用和类似用途自动电气控制标准



-



1


部分 :一般要求,


E60730-1;



d


)电气


/


电子


/


可编程电子安全相关系统的功能安全标准,


IEC 61508


(所有部分)。



16 Remote Controls


16


遥控器



16.1


Energy


storage


systems


which


have


the


ability


to


be


controlled


remotely


are


to


be


provided


with


alocal


means


to


disconnect


the


system


from


the


remote


control


in


order


to


perform inspection ormaintenance. The use of a remote control systems shall note lead to an


unsafe


condition


as


determinedby


the


FMEA


and


shall


not


be


able


to


override


local


safety


controls.


16.1


具有远 程控制能力的能量存储系统应提供本地方法以将系统与遥控器断开连接,


以执行检查


或维护。使用遥控系统应注意导致由


FMEA


确定的不安全状况,不能超越当地的安全控制。



17 Communication Systems


17


通讯系统



17.1


Communication


protocols


used


by


the


energy


storage


system


for


communication


between its variousparts and the grid shall


be in accordance with those of the intended grid


application.

< br>17.1


储能系统用于各部分和电网之间通信的通信协议应符合预期的电网应用要 求。



18 Heating and Cooling Systems


18


加热和冷却系统



18.1 Energy storage systems that rely upon integral thermal management systems to prevent


overheating


or


operation


outside


the


specified


safe


operating


range,


shall


be


designed


to


safely


shutdownupon


failure


of


the


thermal


management


system


unless


it


can


be


demonstrated,


that


the


thermalmanagement


system


failure


does


not


result


in


a


hazardous


situation.


18.1


依靠 集成热管理系统防止的储能系统



在规定的安全工作范围之外的 过热或运行,


应设计为在热管理系统故障时安全关闭,


除非可以 证


明,热管理系统故障不会导致危险情况。



19


Piping


Systems,


Pressure


Vessels,


Fuel


and


Other


Fluid


Supply


Connections


and


Controls


19


管道系统,压力容器,燃料和其他流体供应连接和控制



19.1 Piping systems utilized to carry fluids in an energy storage system such as water, heated


air,


fuelgases,


etc.


shall


comply


with


the


ASME


Code


for


Pressure


Piping,


ASME


B31


(all


applicableparts),appropriate part(s) of the Power Piping, ASME B31.1 or the Process Piping,


ASME


B31.3,


or


theBoiler,


Pressure


Vessel,


and


Pressure


Piping


Code,


CSA


B51,


or


the


Mechanical Refrigeration Code, CSAB52, or the Oil and Gas Pipeline Systems, CSA Z662 as


applicable.


19.2 Pressure vessels and related equipment including pressure relief devices that fall under


the


scopeof


the


Boilers


and


Pressure


Vessels


Code,


ASME


BPVC,


or


the


Boiler,


Pressure


Vessel, and PressurePiping Code, CSA B51, shall comply with the applicable requirements.


19.3 Flammable fuel supply connections to the energy storage system shall be in accordance


with theNational Fuel Gas Code, NFPA 54, or the Flammable and Combustible Liquids Code,


NFPA 30, or theNatural Gas and Propane Installation Code, CSA B149.1. Hydrogen supply


connections


to


the


energystorage


system


shall


be


in


accordance


with


the


Hydrogen


Technologies Code, NFPA 2.


19.4 Means is to be provided to prevent backflow of process gases, etc. into the fuel supply


lines.


19.5 Connections to a utility water supply are to be made in accordance with the International


PlumbingCode,


ICC


IPC;


the


Uniform


Plumbing


Code,


IAPMO/ANSI


UPC


or


other


local


regulations. Any processwater shall be prevented from contaminating potable water sources in


accordance with local regulations.


19.6


Piping,


hose,


and


tubing


containing


liquids,


shall


be


routed


and


secured


to


prevent


leakage thatcould result in a fire, explosion or shock hazard.


19.7 Manual shut off valves shall be provided near the energy storage system in a location


where


theycan


be


accessed


to


allow


for


disconnection


of


the


fuel


or


water


supply


from


the


energy storage system formaintenance, etc. Automatic (nonelectric type) and manual valves


intended


for


the


use


in


flammable


fluidlines


shall


comply


with


the


Standard


for


Valves


for


Flammable


Fluids,


UL


842,


or


the


Guide


for


theInvestigation


of


Valves


for


Flammable


and


Combustible


Liquids,


ULC/C842.


Solenoid


valves


shall


complywith


the


Standard


for


Electrically Operated Valves, UL 429, or the Standard for Electrically OperatedValves, C22.2


No.


139.19.8


Pressure


regulators


used


on


flammable


or


other


hazardous


gas


lines


shall


comply with the Standardfor Compressed Gas Regulators, UL 252.


19.1


用于在能量储存系统(如水,热空气,燃料气体等)中运送流体的管道系统应符合


ASM E



力管道规范,


ASME B31< /p>


(所有适用部件)



适用的部件管道,< /p>


ASME B31.1


或过程管道,


ASME


B 31.3


或锅炉,压力容器和压力管道代码,


CSA B51


或机械制冷代码,


CSA B52


或油气管道系统


CSA Z662


如适用。



19.2


压力容器和相关设备,包括“锅炉和压力容器规范”,


ASME BPV C


或“锅炉,压力容器和


压力管道规范”


CSA B51


范围内的压力释放装置应符合适用要求。


< /p>


19.3


与能量储存系统的易燃燃料供应连接应符合国家燃气代码 ,


NFPA 54


或易燃易燃液体规范,


NFPA 30


或天然气和丙烷安装规范


CSA B149.1

< p>
。与能源储存系统的氢气供应连接应符合“氢气


技术规范”


NFPA 2




19.4< /p>


提供了防止工艺气体等回流到燃料供应管线中的装置。



19.5


与公用设施供水的连接应按照国际管道规范

ICC


IPC


进行


;

< p>
统一管道代码,


IAPMO


/


ANSI


UPC


或其他当地法规。任 何工艺用水应按照当地法规进行防止污染饮用水源。



19.6


管路,


软管和含液体的管道应进行布线和固定,


以防止可能导致火灾,


爆炸或电击危险的泄


漏。



19.7


在能量存储系统附近应设置手动关 闭阀门,


以便能够进入其位置,


以允许燃油或供水从储能


系统中断开以进行维护等。自动(非电动式)


和手动阀门在易燃液体管 路中的使用应符合“易燃


液体阀门标准”


UL 842


或“易燃易燃液体阀门调查指南”


ULC / C842


。电磁阀应符合“电动阀


门标准”


UL 429


或“


C22.2



139


号电动阀标准”。


19.8

< br>用于易燃或其他有害气体管路的压力调


节器应符合“压缩气体调节器标准”,


UL 252




20 Containment of Moving Parts


20


遏制移动部件



20.1 Energy storage systems with hazardous moving parts shall be provided with a means to


contain theparts in the event they could become loosened during operating. If it is possible for


hazardous movingparts to become dislodged upon breakage or damage to their securement


means,


the


containmentmechanism


shall


adequately


contain


the


loosened


parts


to


prevent


hazards to persons or surroundingequipment.


20.1


具有 危险运动部件的储能系统应在运行过程中可能会松动的情况下装有部件。


如果危险的运< /p>


动部件在其固定装置破裂或损坏时可能会移动,


则安全壳机构应充 分容纳松动部件,


以防止对人


员或周围设备造成危害。



21 Hazardous Liquid Spill Containment


21


有害液体溢出遏制



21.1


Energy


storage


systems


that


employ


vented


battery


systems


requiring


electrolyte


maintenance


orother


systems


where


there


may


be


the


potential


for


spills


of


hazardous


electrolytes or other liquids, are tobe provided with liquid spill containment that can contain the


anticipated volume of a spill. Containmentsystems are to be made of materials resistance to


deterioration when exposed to the contained liquidsand if necessary, provided with a means to


neutralize aqueous hazardous liquid spills.


21.1


采用需要电解液维护的通风电池系统或可能存在泄漏有害电解质或其他液体的其他系统的


储能系统应设有可包含预期体积溢出物的液体溢出容器。


容纳系统应 由耐受劣化的材料制成,



暴露于所含液体时,如有必要,可提 供中和水性有害液体溢出的手段。



22 Combustible Concentrations


22


可燃浓度



22.1 Enclosures or areas that contain flammable fluid systems or batteries that vent hydrogen


to


theatmosphere


shall


be


ventilated


to


prevent


hazardous


concentrations


of


flammable


tration in nonhazardous zones of the energy storage system shall be limited


to 25% LFL undernormal maximum operating conditions. Mechanical ventilation relied upon to


maintain concentrationsbelow the required limits shall be interlocked, so that the system shuts


down upon failure of the ventilationsystem.


22.2 For battery and similar systems, openings to prevent hazardous concentrations within an


enclosurecan be used. Openings in the enclosure provided for ventilation shall be constructed


to


preventaccumulation


of


flammable


gases


that


could


lead


to


a


hazardous


condition


from


concentrations


ofhydrogen


gas


due


to


electrolysis


of


aqueous


electrolytes


for


applicable


battery


technologies,


such


asvented


or


valve


regulated


lead


acid


and


nickel


batteries


and


applicable


electrochemical


capacitortechnologies,


greater


than


25%


of


the


LFL


of


hydrogen


(equivalent to 1% concentration in a volume of air).


22.1


包含可向大气排放 氢的易燃流体系统或电池的外壳或区域应通风,


以防止易燃物质的危险浓


度。在正常最大工作条件下,储能系统非危险区域的浓度应限制在


25



LFL


。机械通气依赖于将

< br>浓度保持在规定的限度以下,应联锁,以便在通风系统故障时系统关闭。



22.2


对于电池和类似系统,可以使用防止外壳内危险浓度的开口。 应设置通风的外壳中的开口,


以防止因适用的电池技术的电解水电解质导致危险状况的可 燃性气体的积聚,


例如通风或阀门调


节的铅酸和镍电池和适用的 电化学电容器技术,


大于氢的


LFL



25



(相当于一定体积空气中的


1


%浓度)。



22.3 Ventilation openings shall have a minimum opening area of:


22.3


通风口的最小开口面积为:



A = 0.005NC


5


(cm


2


)


Where:


A = Total cross sectional area of ventilation holes required (cm


2


)


N = Number of cells in battery


C


5


= Capacity of battery at the 5-h rate (Ah)


Exception:


The


area


of


ventilation


openings


can


be


reduced


if


it


can


be


demonstrated


that


there issufficient ventilation within the battery to prevent hydrogen accumulations above 25%


of the LFL ofhydrogen.


例外:如果可以证明电池内有足够的通风,可以减少通风口的 面积,以防氢气浓度超过氢气


LFL



25


%以上。



22.4


For


any


energy


storage


system


where


there


may


be


potential


for


combustible


concentrations,equipment


located


within


dilution


boundaries


(i.e.


concentrations


above


25%


LFL)


or


classified


locationsshall


be


suitable


for


the


classification


in


accordance


with


the


National Electrical Code, NFPA 70.


22.4


对于可能存在可燃浓 度的任何储能系统,位于稀释边界内的设备(即浓度高于


25



LFL


)或


分类位置的设备应符合“国 家电气规范”


NFPA 70


的分类要求。



22.5 Electrical compartments adjacent to classified zones or locations shall be maintained at


positivepressure


in


accordance


with


the


Recommended


Practice


for


the


Classification


of


Flammable


Liquids,Gases,


or


Vapors


and


of


Hazardous


(Classified)


Locations


for


Electrical


Installations


in


Chemical


ProcessAreas,


NFPA


497,


or


the


Recommended


Practice


for


Classification of Locations for Electrical Installationsat Petroleum Facilities Classified as Class


I, Division 1 and Division 2, API RP 500, and theRecommended Practice for Classification of


Locations for Electrical Installations at Petroleum FacilitiesClassified as Class I, Zone 0, Zone


1, and Zone 2, API RP 505.


22.5


与分类区域或位置相邻的电气隔间应按照


“化学工业区电气装置易燃液体,


气体或蒸气和危


险(分类) 位置的推荐做法”保持正压,


NFPA 497


,或分类为


I


类,


1


区和


2



API RP 500


的石


油设施电气安装位置分类建议做法和分类为


I


类,


0


区的石油设施电气安装位置的推荐做 法,


Zone


1



Zone 2



API RP 505




23 Fire Detection and Suppression


23


火灾探测与抑制


-


-


-


-


-


-


-


-



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