有載調容分接開關
On-load capacity regulation tap-changer

本開關適用于交流50Hz、60Hz 一次側額定容量為315(100)，400(125)， 630 ( 200 )設備最高電壓為12kV的三相油浸式調容電力變壓器。
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.

開關型號含義
Type of on-load tap-changer

開關基本性能參數
Basic performance parameters of tap-changer

1設備最高電壓12kV
Highest voltage of the equipment 12kV
2最大額定通過電流:高壓30 A;低壓31 5kVA,500A ; 400kVA,600A
Max rate through current: HV 30A; LV31 5kVA,500A; 400kVA,600A
3調容方式:高壓，星、角轉換;低壓，串、并聯   Capacity regulation method: HV(A-Y); LV(series-parallel connection)
4開關的最大“級”電壓為6000V   Max step voltage 6000V
5觸點接觸電阻:高壓< 500μΩ，低壓< 250μΩ     Contact resistor：HV < 500μΩ，LV < 250μΩ

開關外形和安裝尺寸
Overall and installation dimension

開關接線原理圖
wiring diagram