说明：  这是一个针对采用三相三线制有源电力滤波器的matlab仿真model，采用一种带积分的位置跟踪滑模控制方法，实现电源电流的追踪控制。
(This is a simulation model for the three-phase three-wire active power filter matlab, using a position tracking with integral sliding mode control method to achieve supply current tracking control.)