ICS29.240F20备案号:53939-2016准T/CEC224—2019分布式电源低压并网测试用模拟电源Gridsimulatorfordistributedresourcesoflow-voltagegrid-connectedtesting2019-04-24发布2019-07-01实施中国电力企业联合会发布成品:210*297版心:166*238字数:45字*43行天35地24订24切20描图:2张中国电力企业联合会标准分布式电源低压并网测试用模拟电源T/CEC224—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)印刷*2019年月第一版2019年月北京第一次印刷880毫米×1230毫米16开本印张千字*统一书号155198.1479定价0.00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/CEC224—2019T/CEC224—2019I目次前言···································································································································································II1范围······························································································································································12规范性引用文件··········································································································································13术语和定义··················································································································································24一般规定······················································································································································25技术要求······················································································································································36试验条件及设备··········································································································································87试验方法····················································································································································108检验规则····················································································································································179标志、包装、运输、贮存·························································································································18T/CEC224—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。请注意本标准的某些内容可能涉及专利。本标准的发布机构不承担识别这些专利的责任。本标准由中国电力企业联合会提出。本标准由全国微电网与分布式电源并网标准化技术委员会(SAC/TC564)归口。本部分起草单位:江苏和网源电气有限公司、中国电力科学研究院有限公司、国网山东省电力公司电力科学研究院、国网江苏省电力有限公司宿迁供电分公司、陆军工程大学、常州中海电力科技有限公司、北京中电建投微电网科技有限公司、北京群菱能源科技有限公司。本部分主要起草人:焦道海、阮喻、李立生、王秀茹、刘刚、刘国宇、赵婷、张进滨、王训金、林永清、江忠耀、赖勇、李江、黄华峰、邱冬、侯宝峰、李乐、马振川、张立路。本标准为首次发布。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/CEC224—20191分布式电源低压并网测试用模拟电源1范围本标准规定了分布式电源低压并网测试用模拟电源的技术要求、试验条件及设备、试验方法、检验规则及标志、包装、运输和贮存等。本标准适用于分布式电源低压并网测试用模拟电源。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/T2423.1—2008电工电子产品环境试验第2部分:试验方法试验A:低温GB/T2423.2—2008电工电子产品环境试验第2部分:试验方法试验B:高温GB/T2423.4—2008电工电子产品环境试验第2部分:试验方法试验Db:交变湿热(12h+12h循环)GB/T2423.5—1995电工电子产品环境试验第2部分:试验方法试验Ea和导则:冲击GB/T2423.6—1995电工电子产品环境试验第2部分:试验方法试验Eb和导则:碰撞GB/T2423.10—2008电工电子产品环境试验第2部分:试验方法试验Fc:振动(正弦)GB/T3859.1—2013半导体变流器通用要求和电网换相变流器第1-1部分:基本要求规范GB/T3859.2—2013半导体变流器通用要求和电网换相变流器第1-2部分:应用导则GB/T4208外壳防护等级(IP代码)GB4793.1—2007测量、控制和实验室用电气设备的安全要求第1部分:通用要求GB4824工业、科学和医疗(ISM)射频设备骚扰特性限值和测量方法GB/T12325电能质量供电电压偏差GB/T12326电能质量电压波动和闪变GB/T13384机电产品包装通用技术条件GB/T13422半导体变流器电气试验方法GB/T14549电能质量公用电网谐波GB/T15543电能质量三相电压不平衡GB/T15945电能质量电力系统频率偏差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/T17626.6—2017电磁兼容试验和测量技术射频场感应的传导骚扰抗扰度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/T17626.11—2008电磁兼容试验和测量技术电压暂降、短时中断和电压变化的抗扰度试验GB/T17626.12—2013电磁兼容试验和测量技术振铃波抗扰度试验GB/T17626.14—2005电磁兼容试验和测量技术电压波动抗扰度试验T/CEC224—20192GB/T24337电能质量公用电网间谐波GB/T33593分布式电源并网技术要求NB/T32004光伏并网逆变器技术规范NB/T32015—2013分布式电源接入配电网技术规定NB/T33011—2014分布式电源接入电网测试技术规范3术语和定义下列术语和定义适用于本文件。3.1模拟电源gridsimulator模拟电网输出特性的可控交流电源。3.2总谐波畸变率totalharmonicdistortion;THD周期性交流量中的谐波含量的方均根植与其基波分量的方均根植之比(用百分数表示)。电压总谐波失真以THDu表示,电流总谐波失真以THDi表示。[GB/T14549—1993,定义3.8]4一般规定4.1正常使用的环境条件分布式电源低压并网测试用模拟电源(模拟电源)应在下列环境条件下工作:a)工作环境温度:-10℃~+40℃(室内型);b)相对湿度:≤90%;c)环境气压:86kPa~106kPa;d)海拔:≤1000m(海拔大于1000m时,应按GB/T3859.2—2013规定降额使用);如模拟电源使用条件与上述条件不同时,用户应与制造商协商确定。4.2电网电能质量条件若在本规范中无具体规定,模拟电源在下列电网条件下,应能以正常方式运行:a)电压谐波总畸变率应满足GB/T14549的规定;b)电网频率偏差应满足GB/T15945的规定;c)电网电压偏差应满足GB/T12325的规定;d)电网电压三相不平衡度应满足GB/T15543的规定。4.3额定值产品应规定以下额定值,但不限于:——额定输出电压;——额定输出电流;——额定输出频率;——额定输出功率;——额定输入电压;——额定输入电流;——额定输入频率。T/CEC224—201935技术要求5.1环境适应性5.1.1低温严酷等级按GB/T2423.1—2008的规定,产品无包装,满足-10℃,持续时间2h严酷等级的要求,检查各项功能均应正常工作。注:正常工作是指模拟电源的性能、通信、显示及各项保护功能都应正常,不允许有功能丧失。5.1.2高温严酷等级按GB/T2423.2—2008的规定,产品无包装,满足40℃,持续时间2h严酷等级的要求,检查各项功能均应正常工作。5.1.3交变湿热严酷等级按GB/T2423.4—2008的规定,产品无包装,满足40℃,循环两次,12h+12h严酷等级的要求。5.2性能指标5.2.1输出电压输出电压应具备调节功能。a)交流输出电压范围。满足NB/T33011—2014中5.3的规定,具有在一个周波内进行±3%额定电压UN的调节能力,满足NB/T33011—2014中6.3的规定,输出稳态电压范围应满足80%UN~110%UN,输出暂态电压范围应满足0%~138%UN。b)电压控制精度。电压调节步长应达到0.1V,输出电压偏差应小于1%UN(测试热稳定后2h设备输出电压有效值偏差),阻性负载时负载稳压率不应超过±1%。c)输出电压波形。在额定功率下的输出波形应为标准正弦波,三相相角误差不应大于1.5°。d)输出三相电压不平衡度。正常电压不平衡度允许值为1%,短时不应超过2%。e)输出电压谐波。输出电压谐波限值应小于GB/T14549中电压谐波限值的50%,空载时输出电压总谐波畸变率不应大于1%。f)输出直流分量。直流分量不应超过其输出额定值的0.5%或5mA,取二者中较大值。5.2.2输出频率输出频率应具备调节功能,满足NB/T3301