龙滩机组励磁系统跨接器短时正向过电压保护试验

Test of short-time forward over-voltage protection with excitation crowbar in Longtan Hydropower Station

文章介绍了龙滩水电站励磁系统跨接器转子短时正向过压保护结构、原理及现场试验方法,并通过试验有效验证了跨接器的动作逻辑,解决了此前现场试验手段有限,和无法判断控制逻辑正确性的问题,完善了同类型跨接器转子短时正向过压保护的试验方法。

Introduces the structure,principle and site test methods of the rotor short-time forward over-voltage protection with excitation crowbar.By the test,the action logic is verified,the problems that lack test methods and cannot tell the control logic right or not are solved and the test methods of short-time forward over-voltage protection with crowbar for this type of rotor have been more perfect.