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It is suitable for control weak voltage current signal in the frequency converter control loop.
主要用于变频器控制回路中微弱电压、电流信号的控制。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
该系统包含升压和逆变两个环节，均采用电压外环、电流内环的双环pwm控制方式。
Due to the particular load characteristic, both the current loop and voltage loop control circuits are devised.
并且针对其独特的负载特性，在设计电流闭环控制电路的同时，还设计了电压环控制电路。
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