1) secondary overvoltage
二次过电压
1.
The treatment process after the action of secondary overvoltage protective device of bushing type current transformer of 500kV shunt reactor is analyzed in brief,and it is proposed that the unsuitable location of secondary overvoltage protective device will bring many difficulties to the safe operation and maintenance of power grid.
简要分析了一起500 kV并联电抗器套管式电流互感器二次过电压保护装置动作后的处理过程。
2) Secondary Voltage
二次电压
1.
Capacitor voltage transformer(CVT) contains capacitors and nonlinear inductances,so primary-side isolator operation may cause abnormal secondary voltage to influences normal operation of relay devices in substation,or even to lead misoperations of over-excitation protection for main transformers.
电容式电压互感器(CVT Capacitor Voltage Transformer)含有电容和非线性电感元件,当一次隔离开关操作时可能引起二次电压异常,影响变电站继电保护装置的正常运行,甚至引起主变过励磁保护误动作。
3) PT secondary circuits
电压二次
1.
These techniques of adoption are laborsaving,and can detect the defects in the CT and PT secondary circuits.
对电流二次回路负担测量、电压二次回路升压检查等现场常规试验方法进行了介绍,并提出了改进建议;对如何判断PT本体二次是否短路、PT二次回路是否存在两点接地、在CT受电前及一次设备带电无负荷时如何判断检查CT二次是否开路等给出了一些非常规的试验技巧;对带负荷检查时要测量N回路电流的原因进行了说明。
5) transformer secondary voltage
变压器二次电压
6) secondary voltage
二次电压，次级电压
补充资料：过次
1.超越次序;越级。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条