其控制策略分为串联混合型APF和并联混合型APF； 还有APF与APF混合使用方式。
The previous filter in the filter chain passes request, response, and filter chain objects to APF.
The manager checks which of its providers support the authentication token it received from APF.
APF creates an authentication token with the username, password, and other information fetched from the request object.
有源电力滤波器（APF）中畸变电流的检测与控制方法，不仅是决定其补偿*能的关键因素，而且也影响到APF的应用范围。
The fundamental current's detection which can detect the fundamental current and reactive power is one of the key technologies in Active Power Filter(APF).
Ranchers who sell to APF can also stay on the ranches as long as they like and keep their cattle if they wish.
The flocking control based on graph theory and APF is improve to make the multiple robots reach a desired formation, at the same time the stability of the improved method has been proved.
提出了有效应用并联变流器作为大功率负载时的无功补偿器以及有源滤波器(APF)新拓扑。
