摘要
本文针对实际工程应用中并联型有源滤波器补偿UPS容性非线性负载时产生振荡这一问题,在详细分析UPS容性非线性负载特性的基础上,提出了基于FFT的有选择谐波补偿方案以抑制系统谐振。研制一台50k VA三相四线并联有源滤波器,对200k VA十二脉波相控整流装置的UPS进行谐波补偿实验,实验结果验证了补偿方案的有效性。
It is a serious resonance phenomenon happened when compensating capacitive nonlinear load for active filter in practical application field. The paper proposed a method of selective harmonic compensation based on FFT algorithm after analyzing the load features of UPS capacitive nonlinear load. Finally, the experimental results of a 50 k VA shunt active filter for compensating a 200 k VA UPS capacitive nonlinear load with phase-controlled rectifier equipment are given to verify effectiveness of the proposed study.
出处
《电气技术》
2016年第4期76-79,83,共5页
Electrical Engineering
