有载调容分接开关
On-load capacity regulation tap-changer

本开关适用于交流50Hz、60Hz 一次侧额定容量为315(100)，400(125)， 630 ( 200 )设备最高电压为12kV的三相油浸式调容电力变压器。
This switch is suitable for the three phase oil-immersed capacity regulation power transformer with rated capacity of 315 (100), 400 (125) and 630 (200) at the primary of 50Hz and 60Hz, and the highest voltage of the equipment is 12kV.

开关型号含义
Type of on-load tap-changer

开关基本性能参数
Basic performance parameters of tap-changer

1设备最高电压12kV
Highest voltage of the equipment 12kV
2最大额定通过电流:高压30 A;低压31 5kVA,500A ; 400kVA,600A
Max rate through current: HV 30A; LV31 5kVA,500A; 400kVA,600A
3调容方式:高压，星、角转换;低压，串、并联   Capacity regulation method: HV(A-Y); LV(series-parallel connection)
4开关的最大“级”电压为6000V   Max step voltage 6000V
5触点接触电阻:高压< 500μΩ，低压< 250μΩ     Contact resistor：HV < 500μΩ，LV < 250μΩ

开关外形和安装尺寸
Overall and installation dimension

开关接线原理图
wiring diagram