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组串电源 我有新说法
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EL组串电源，即电子线性组串电源，是一种将直流电源转换为交流电源的设备。其工作原理主要基于电子线性变换技术，通过控制开关管的通断，将直流电压转换为交流电压。此外，EL组串电源还具备电压稳定、输出波形失真小等优点，使得其在电子设备中得到广泛应用。组串电源根据电能参数分为【TH-150010】、【TH-150030】、【TH-150050】。

目录

一、产品简介

组串电源为我司针对光伏电站组串反向上电特性所研发，通过将交流电转换为直流电输入电池板激发电致发光，从而进行EL的内部缺陷测试。组串电源根据电能参数分为【TH-150010】、【TH-150030】、【TH-150050】。

TH-150010为研发型程控电源，通过程序软件系统控制组串电源的电性能与保障措施。其pro版本为高品质软件配置，选用更高品质的进口电子元器件搭配开放式编程主机，可更好的保障组串检测稳定性与安全性。

二、技术参数

1、EL组串电源光伏用

规格

TH-150030

TH-150050

TH-150010

电能参数

0～1500V；0～3A

0～1500V；0～5A

0～1500V；0～10A

品质

程控线性国产

程控定制进口

程控定制进口

场景

EL检测仪单块/组串测试

EL检测仪单块/组串测试

EL检测仪+无人机EL测试

电压输出

0～1500V

0～1500V

0～1500V

电压精度

1V

0.001V

0.001V

补偿电压

12V

96V

96V

电流输出

0～3A

0~5A

0～10A

电流精度

0.1A

0.001A

0.001A

电能精准度

±0.1A；±1V

±0.001A；±0.001V

±0.001A；±0.001V

功率输出

0～4.5KW

0～8KW

0～16KW

功率稳定度

±0.1%

±0.002%

±0.002%

输出精度

±0.1%

±0.001%

±0.001%

输出效率

＞80%

＞95%

＞95%

输出线性调整率

±0.5%

±0.005%

±0.005%

输出负载调整率

±0.5%

±0.005%

±0.005%

输入电压

220VAC

380VAC

380VAC

输入频率

50/60Hz

50/80Hz

50/100Hz

输入功率因子

＞0.75

＞0.5

＞0.5

上电时间

手动控制

程控定时自动上电自动断电

绝缘耐压输入对输出

2500VDC

绝缘耐压输出对外壳

500VDC

OVP调节范围

0-100%前面板调节（或数字接口）

OVP调节精度

±1%额定值

2、EL组串电源/程控系统

规格

TH-150030

TH-150050

TH-150010

程控控制系统　

控制电流电压输出、监测电源工作状态

程控面板可直接设定电源各项程控指标

程控远程接口

RS-485C，模拟量接口（0-10V）

程控控制面板

-

电源面板可进行程序编程，控制电源通断电时间、定时上电、保护阀值等

逆电流保护

-

可设定逆电流阻抗阀值，预防组串电流倒灌

短路保护

光伏组串反接短路保护，预防光伏组件击穿二极管

程控缓冲保护

-

缓存式光伏组串通断电，预防大电流直上击穿光伏板

程控稳态输出

-

根据组串不同功率组件自适应匹配电流电压（避免击穿组件二极管）

数字电压编程精度

-

±0.001%

±0.001%

数字电流编程精度

-

±0.001%

±0.001%

程控上升时间

-

0～10s可设定

程控下降时间

-

60ms（空载）；250ms（负载10%）；2.5s（满载）

电压波动控制

0.1V/ms～10V/ms

0.001V/ms～0.002V/ms

电流波动控制

0.1A～0.2A

0.001A～0.01A，or 1NF

波动控制最小时间

5ms

0.1ms

面板显示

数显绝缘操控面板

主机程控面板

面板控制

-

可设置电源电流电压保护极限值OVP

光伏EL上电特性

高低电流切换测试（手动切换）

高低电流切换测试（程序自动切换）

同步上电组件数量

可同步完成 1～32块光伏板（1500V内）检测供电接入

光伏上电接入端口

汇流箱 / 逆变器 / 组串端口 / 组件端口

稳态输出模块

-

稳定上电组串内各组件电能参数平均一致（防光伏板击穿）

恒温控制模块

风冷持续散热控温

程序电子控温45°C 可保障24小时不间断工作

过载保护

-

可设定过载阀值，输出过载自动停止，以防烧毁供电方空开变压器

输出短路自动保护

保护因电站线路或组件组串断路造成的电源故障与人身危险，电源自动断电

输入电压自动保护

-

可保护因输入电压波动过大造成的电源元器件烧毁

缺相保护

可保护因三相断路造成的电源损坏与事故

内部过热保护

可根据内部温度动态散热确保不会因温度过高烧毁电源

高压隔离保护

确保整机外壳与面板的操作人员高压电工作安全

输入线

2米 （6平方）

接线方式

AC220

三相三线+地线

体积重量

430x88x450mm；13kg

17kg

26kg

参考资料

参考资料编辑区域


目录
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