In the control of voltage source PWM rectifier, direct current control and dual close loop control structure ind-q synchronous reference frame are widely adopted.

在电压型PWM整流器的控制中，广泛采用在同步旋转坐标系下的直接电流控制方法和双闭环控制结构。

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For compensating reactive power and harmful currents in low voltage power system, the paper proposed two control schemes for STATCOM, which are indirect-current control and direct-current control.

本文针对低压配电网络的无功补偿和有害电流滤除问题，提出采用间接和直接电流控制两种STATCOM方案。

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The direct-axis or quadrature-axis stator voltage is used as manipulated variable and direct-axis or quadrature-axis stator current delay feedback is used for chaos control.

该方法以永磁同步电动机的定子交轴电压或直轴电压为控制量，利用电流的延迟反馈实现了混沌运动的控制。

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