光伏逆变器检测全面解决方案.docx
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光伏逆变器检测全面解决方案.docx
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光伏逆变器检测全面解决方案
光伏逆变器检测全面解决方案
篇一:
500KW光伏并网逆变器系统测试技术方案
目录
123
范围......................................................................................................1规范性引用文件.......................................................................................1测试项目及要求.......................................................................................24
概述..............................................................................................2检测项目........................................................................................2
电气性能及环境安全试验方法和技术要求.......................................................2
转换效率........................................................................................2并网谐波电流..................................................................................3功率因素........................................................................................4电网电压响应..................................................................................4电网频率响应..................................................................................5直流分量........................................................................................5电压不平衡度..................................................................................5噪声..............................................................................................6防孤岛效应保护...............................................................................6低电压穿越..................................................................................7交流侧短路..................................................................................7防反放电.....................................................................................8极性反接.....................................................................................8直流过载保护...............................................................................9直流过压保护...............................................................................9方阵绝缘阻抗检测.........................................................................9
5
方阵残余电流检测.......................................................................10通讯功能...................................................................................10自动开关机................................................................................11软启动......................................................................................11绝缘电阻、绝缘强度....................................................................11外壳防护等级.............................................................................12恒定湿热...................................................................................12低温启动...................................................................................13高温启动及工作..........................................................................14功率控制与电压调节....................................................................14连续工作...................................................................................14温升.........................................................................................15
电磁兼容测试........................................................................................17
温升静电放电抗扰度.......................................................................17电快速瞬变脉冲群抗扰度.................................................................18浪涌抗扰度...................................................................................19射频传导抗扰度.............................................................................20工频磁场抗扰度.............................................................................21阻尼振荡波抗扰度..........................................................................22电压波动抗扰度.............................................................................23辐射电磁场抗扰度..........................................................................23传导发射......................................................................................24辐射发射...................................................................................26
500KW光伏逆变器整机测试技术方案
1
范围
本技术方案规定了500KWp光伏并网逆变器整机测试项目的技术要求、试验方法及检验规则等。
本技术方案适用于500KWp光伏并网逆变器整机测试。
2规范性引用文件
下列文件对于本文件的应用成为本技术方案的规范。
GB/T半导体变流器应用导则(IEC60146-1-2:
1991,EQV)
GB/T12325-20XX电能质量供电电压偏差
GB/T12326-20XX电能质量电压波动和闪变GB/T13384-20XX机电产品包装通用技术条件GB/T14549-1993电能质量公用电网谐波GB/T15543-20XX电能质量三相电压允许不平衡GB/T15945-20XX电能质量电力系统频率偏差
GB/T18479-20XX地面用光伏(PV)发电系统概述和导则(IEC61277:
1995,IDT)
GB/T20514-20XX光伏系统功率调节器效率测量程序(IEC61683:
1999,IDT)GB/Z6829-20XX剩余电流动作保护电器的一般要求
IEC62109-1-20XX光伏发电系统用电力转换设备的安全第1部分通用要求IEC62109-2-20XX光伏发电系统用电力转换设备的安全第2部分对逆变器的特殊要求
EN50530-20XX并网光伏逆变器的全逆变效率IEC60990-1999接触电流和保护导体电流的测量方法
IEC62116-20XX并网连接式光伏逆变器孤岛防护措施测试方法Q/GDW617-20XX光伏电站接入电网技术规定Q/GDW618-20XX光伏电站接入电网测试规程
3测试项目及要求
概述
本技术规范阐述了天诚同创500KWp光伏并网逆变器整机功能性测试的项目和要求。
本方案主要针对:
14项性能检测、8项保护功能检测、2项安全检测进行试验方式指导和技术指标实现。
检测项目
4电气性能及环境安全试验方法和技术要求
转换效率
试验方法
测量负载点为5%,10%,15%,20%,25%,30%,50%,75%,100%以及可输出最大功率点处的转换效率。
篇二:
500KW光伏逆变器系统测试技术方案
目录
1
2
3范围..................................................................................................................1规范性引用文件..................................................................................................1测试项目及要求..................................................................................................3
4概述.........................................................................................................3检测项目..................................................................................................3电气性能及环境安全试验方法和技术要求..............................................................3
转换效率..................................................................................................3并网谐波电流...........................................................................................4功率因素..................................................................................................5电网电压响应...........................................................................................5电网频率响应...........................................................................................6直流分量..................................................................................................6电压不平衡度...........................................................................................6噪声.........................................................................................................7防孤岛效应保护........................................................................................7低电压穿越............................................................................................8交流侧短路............................................................................................8防反放电...............................................................................................9极性反接...............................................................................................9直流过载保护......................................................................................10直流过压保护......................................................................................10方阵绝缘阻抗检测................................................................................10
5方阵残余电流检测................................................................................11通讯功能.............................................................................................11自动开关机..........................................................................................12软启动................................................................................................12绝缘电阻、绝缘强度.............................................................................12外壳防护等级......................................................................................13恒定湿热.............................................................................................13低温启动.............................................................................................14高温启动及工作...................................................................................15功率控制与电压调节.............................................................................15连续工作.............................................................................................15温升...................................................................................................16电磁兼容测试...................................................................................................18
温升静电放电抗扰度................................................................................18电快速瞬变脉冲群抗扰度.........................................................................19浪涌抗扰度.............................................................................................20射频传导抗扰度......................................................................................21工频磁场抗扰度......................................................................................22阻尼振荡波抗扰度...................................................................................23电压波动抗扰度......................................................................................24辐射电磁场抗扰度...................................................................................24传导发射................................................................................................25辐射发射.............................................................................................276机体和结构质量检查.........................................................................................28
7
8
9震动测试.................................................................
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