用微机控制的晶闸管投切电容器补偿装置

Compensation Device of Thyristor Switching Capacitor Controlled by Microcomputer

用微机控制的晶闸管投切电容器补偿装置以工业PC机作为控制核心,采用了新颖的快速无功功率检测方法和独特的晶闸管控制技术。它可满足低压配电网基波无功补偿的快速性和实时性要求。笔者介绍了该装置的主回路控制方式和控制电路构成,并通过模拟负荷投切试验验证了其投切的正确性。

In th e dynamic reactive power compensation device,an industrial computer is employed as the control center and a rapid reactive power detecting method with a specia l thyristor controlling technology is available.It can compensate the fundamenta l-wave reactive power in distribution network in real time.The control mode of t he main circuit and the schematic block of the device are presented in detail.A switching test with simulated load shows that the device is effective.