高压配电网电能质量综合补偿系统

提出了一种具有谐波与无功综合治理功能的高压配电网电能质量综合补偿系统,该系统主电路由注入式混合型有源电力滤波器(IHAPF)和晶闸管控制电抗器(TCR)组成。首先分析了系统的基本工作原理,并对高压配电网电能质量综合补偿系统的谐振抑制特性进行了研究;其次,对高压配电网电能质量综合补偿系统的控制方法进行了研究,提出了电压、电流双闭环的控制方法实现谐波与无功的综合动态治理;最后,对高压配电网电能质量综合补偿系统的整体性能进行了仿真和实验验证,结果表明该系统可以有效地实现谐波与无功的综合动态治理,并适用于配电网,达到高品质节能的目的。

Power quality compensation system of high voltage distribution gird

An integrated power quality compensation system of high voltage distribution gird is proposed for the treatment of both harmonies and reactive power,the main circuit of which is composed of the hybrid active power filter with iniection circuit and the thyristor controlled reactors.Its basic working principle is analyzed,its resonance suppression characteristics are discussed.and the dual close-loop control strategy of voltage and current iS put forward.The system performance iS verified by simulation and experiment,which shows that,it realizes the dynamic control of harmonics and reactive power effectively,suitable for the energy saving of distribution grid with high quality.