400V晶闸管串联调压电容无功补偿装置及试验  

400 V Equipment and Experiments with Capacitor Var Compensation of Thyristor Series Voltage Regulation

作　　者：王民慧[1] 李民族[1] 王武[1] 王世蓉[1] 

机构地区：[1]贵州大学,贵州贵阳550003

出　　处：《电力电子技术》2011年第5期98-100,共3页Power Electronics

基　　金：贵州省重点科学技术项目((2005)3019)~~

摘　　要：为使晶闸管串联调压电容无功补偿装置进入实用,对400 V小容量装置样机进行了制作和试验。设计制作了一次接线装置和具有实际功能的控制保护装置;测试了升降级调节过程中有关电压、电流的稳态参数变化;测试了投入和换级操作过程中晶闸管电流和补偿电流的暂态波形;当负荷进行大幅度阶跃变化时,进行了自动调压和自动调节功率因数试验。测试和试验结果表明:装置能多级、大范围调节容性补偿无功;投入换级时冲击电流小,换级时间为0.5周波;能实现快速频繁的电压及功率因数等多种自动调节功能,完全具有动态无功补偿装置的技术性能。The prototype of 400 V small capacity equipment is built and the tests are done on this equipment before thyristor controlled reactance series compensation by adjustable coupling being put into practical application.The pri-mary wiring device and the control and protection device with real function is developed.The steady-state parameters changes of corresponding voltage and current are tested during regulating process.The dynamic curves of thyristor cur-rent and compensation current are obtained when the device is switched on changing stage.Automatic voltage regula-tion and automatic power factor change experiments are done under large step changes.The test results show that this equipment can compensate reactive power in large scale and multi-stages with small impact current（rush current,surge current） when switched on.The time of changing stage is half cycle.It can automatically regulate voltage and power factor frequently.This equipment has full dynamic reactive power compensation function.

关 键 词：无功补偿 晶闸管 自动电压调节 

分 类 号：TM714.3[电气工程—电力系统及自动化]