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ICS29.240.99F20备案号：53939-2016准T/CEC207—2019低压换相开关型负荷自动平衡装置技术规范Technicalspecificationforlowvoltageautomaticloadbalancingdeviceoftransfer-phaseswitching2019-04-24发布2019-07-01实施中国电力企业联合会发布中国电力企业联合会标准低压换相开关型负荷自动平衡装置技术规范T/CEC207—2019*中国电力出版社出版、发行（北京市东城区北京站西街19号100005）北京传奇佳彩数码印刷有限公司*2019年8月第一版2019年8月北京第一次印刷880毫米×1230毫米16开本1.75印张52千字*统一书号155198·1486定价27.00元版权专有侵权必究本书如有印装质量问题，我社营销中心负责退换T/CEC207—2019T/CEC207—2019I目次前言···································································································································································II1范围······························································································································································12规范性引用文件··········································································································································13术语和定义··················································································································································14使用条件······················································································································································35型号······························································································································································46额定值··························································································································································47结构、性能及功能要求·······························································································································58试验····························································································································································129标志、包装、运输、贮存·························································································································19附录A（资料性附录）低压换相开关型负荷自动平衡装置电气接线图···················································22附录B（资料性附录）相线切换开关箱原理接线图··················································································23附录C（资料性附录）装置换相过程时序··································································································24附录D（资料性附录）系统试验典型接线图······························································································25T/CEC207—2019II前言本标准按照GB/T1.1—2009《标准化工作导则第1部分：标准的结构和编写》给出的规则起草。本标准由中国电力企业联合会提出。本标准由电力行业电能质量及柔性输电标准化技术委员会（DL/TC40）归口。本标准起草单位：云南电网有限责任公司电力科学研究院、河北旭辉电气股份有限公司、国网福建省电力有限公司电力科学研究院、国网新疆电力有限公司电力科学研究院、国网甘肃省电力公司电力科学研究院、国网浙江省电力有限公司丽水供电公司、山东泰开电力电子有限公司、云南电网有限责任公司临沧供电局、国网重庆市电力公司电力科学研究院、国网河南省电力公司电力科学研究院、全球能源互联网研究院有限公司、广西电网有限责任公司电力科学研究院、国网湖北省电力有限公司电力科学研究院、国网北京市电力有限公司电力科学研究院、国网江苏省电力有限公司电力科学研究院、四川大学、内蒙古电力科学研究院、山东迪生电气股份有限公司。本标准主要起草人：刘红文、韩劲松、黄道姗、王科、于永军、李昊、梁福波、杨成钢、康长路、杨金东、付昂、刘书铭、黄杰、周柯、李伟、李洪涛、陈兵、肖先勇、尹柏清、孙士民。本标准在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二条一号，100761）。T/CEC207—20191低压换相开关型负荷自动平衡装置技术规范1范围本标准规定了低压换相开关型负荷自动平衡装置（以下简称装置）的使用条件，型号，额定值，结构、性能及功能要求，试验，标志、包装、运输和贮存。本标准适用于1kV及以下低压换相开关型负荷自动平衡装置的设计、制造、试验。2规范性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。GB/T191包装储运图示标志GB/T2900.1电工术语基本术语GB/T4025人机界面标志标识的基本和安全规则指示器和操作器件的编码规则GB/T4207固体绝缘材料耐电痕化指数和相比电痕化指数的测定方法GB/T4208—2017外壳防护等级（IP代码）GB/T4824工业、科学和医疗（ISM）射频设备骚扰特性限值和测量方法GB/T7251.1低压成套开关设备和控制设备第1部分：总则GB/T7947人机界面标志标识的基本和安全规则导体颜色或字母数字标识GB14048.1—2012低压开关设备和控制设备第1部分：总则GB/T14048.11—2016低压开关设备和控制设备第6-1部分：多功能电器转换开关电器GB/T14549—1993电能质量公用电网谐波GB/T15543电能质量三相电压不平衡GB/T17626.2—2018电磁兼容试验和测量技术静电放电抗扰度试验GB/T17626.3—2016电磁兼容试验和测量技术射频电磁场辐射抗扰度试验GB/T17626.4—2018电磁兼容试验和测量技术电快速瞬变脉冲群抗扰度试验GB/T17626.5—2008电磁兼容试验和测量技术浪涌（冲击）抗扰度试验GB/T17626.8—2006电磁兼容试验和测量技术工频磁场抗扰度试验GB/T17626.13—2006电磁兼容试验和测量技术交流电源端口谐波、谐间波及电网信号的低频抗扰度试验GB/T20641低压成套开关设备和控制设备空壳体的一般要求DL/T375—2010户外配电箱通用技术条件DL/T645多功能电能表通信规约DL/T667远动设备及系统第5部分：传输规约第103篇：继电保护设备信息接口配套标准3术语和定义GB/T2900.1、GB14048.1—2012、GB/T14048.11—2016、GB/T15543中界定的以及下列术语和定义适用于本文件。3.1低压换相开关型负荷自动平衡装置lowvoltageautomaticloadbalancingequipmentoftransfer-phaseswitching通过自动调整负荷供电相降低三相电流不平衡度的装置，包括选相控制器和相线切换开关箱（参T/CEC207—20192见附录A）。3.2相线切换开关箱cabinetofphaselinetransferswitch通过相线切换开关快速导通和关断实现负荷供电相切换的装置，包括空气断路器、相线切换控制器、相线切换开关、载流开关和旁路开关等（参见附录B）。3.3选相控制器phaseselectioncontroller监测、分析低压负荷三相电流不平衡度和供电相信息，并发出相线切换动作指令的控制电器。3.4相线切换控制器phasetransfercontroller监测、发送供电相信息给选相控制器，并执行选相控制器动作指令的控制电器。3.5相线切换开关phaselinetransferswitch实现负荷从一供电相切换至另一供电相的电力电子开关或机械开关。注：相线切换开关为电力电子开关时，应与载流开关配合实现相线切换。相线切换开关为机械开关时，不宜使用载流开关。3.6载流开关current-carryingswitch与相线切换开关并联的机械开关。注：载流开关是为了短接电力电子相线切换开关，消除电力电子开关运行时的损耗和谐波。3.7总切换时间totaltransfertimeT从装置监测到三相电流不平衡度超过整定值起到装置换相过程结束的时间，为特意引入延时时间和相线切换时间T5之和（参见附录C）。3.8特意引入延时时间purposelyintroduceddelaytime因判断监测点电流不平衡度偏差的需要及相线切换开关换相所需人为设定的延时时间。注1：特意引入延时时间一般为一个时间范围。注2：装置通常包含2个特意引入延时时间：偏差确认延时时间T1、切换停留时间T2。3.9偏差确认延时时间delaytimeofdeviationconfirmingT1为避免装置频繁动作而引入的从选相控制器监测到电流不平衡度超过整定值起到向相线切换控制器发出动作指令的延时时间（参见附录C）。3.10切换停留时间retentiontimeoftransferT2为避免切换开关切换期间发生相间短路而引入的负荷从一相切换到另一相时的延时时间（参见附录C）。3.11相线切换时间durationofphaselinetran