In order to make grid inverter adjust active and reactive power smoothly, a closed-loop with decoupled active and reactive current is implemented.
为了使得并网变流器具有动态无功、有功功率的平滑调节能力，选用了有功电流、无功电流解耦的电流闭环控制结构。
So Reverse Power control, include open-loop power adjust and closed- loop power correction, is the focus of our study.
功率控制主要指的是反向功率控制，包括开环功率估计和闭环功率校正。
Two closed loops are constructed in the control system; the inner loop is currentfeedback that is to adjust the torque of the motor.
系统采用双闭环控制，内环采用电流负反馈对电机转矩进行调节；
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