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；
Closed-loop control system to adapt to changes in water, adjust online implementation, and ensure the end of pipe network constant stress, there is no artificially adjust the lag phenomenon.
闭环控制系统适应水量的变化，实现在线调整，保证管网末端压力恒定，不存在人为调整的滞后现象。
Closed-loop control system to adapt to changes in water, adjust online implementation, and ensure the end of pipe network constant stress, there is no artificially adjust the lag phenomenon.
闭环控制系统适应水量的变化，实现在线调整，保证管网末端压力恒定，不存在人为调整的滞后现象。
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