There is a great market demand to utilize the active power filters (APF) to reduce the harmonics of the power system and improve the power quality in China.

• 伴随着我国电能质量问题治理工作的深入开展，利用有源电力滤波器(active power filter，缩写为APF)进行谐波治理将会具有巨大的市场应用潜力。