三相混合有源电力滤波器系统设计

System design of three-phase hybrid active power filter

为改善电能质量,消除谐波,介绍了由无源滤波器和有源滤波器组合构成的三相混合电力滤波器及其工作原理和控制方案。该系统运用快速傅立叶检测算法,采用双DSP芯片为控制核心实现系统控制,提高补偿精度和运算能力。对比滤波前后的波形,客观地评估分析实际应用效果,验证了有源电力滤波器的可行性和有效性。

In order to improve power quality and eliminate harmonic, a three-phase hybrid power filter composed of a passive filter and an active power filter, and the correspond basic principles and con-trol scheme are introduced. The system uses FFT theory and double DSP control system as control core, which increase the compensation and the operational capability. Compared before and after the filtering effect of waveform, to assess the effect of its analysis of the practical application. Demonstrate the feasi-bility and effectiveness of APF.