...电网电压前馈；脉宽调制 [gap=1092] generation; gridconnected converter; DClink voltage; active power feed forward; grid voltage feed forward; pulse width modulation(PWM) ..
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The feed-forward control of utility grid voltage counteracts the influence of utility grid. The system becomes a simple passive tracking system.
电压前馈补偿可以抵消电网作用，使系统近似成为一个简单的无源跟随系统。
For remove the influence of the grid input on APF tracking the reference, introduces feed forward of grid voltage, and gives the concretely formula of the feed forward.
为消除电网这个外部输入对指令电流跟踪的影响，引入了电压前馈，并从理论上推导了前馈的具体关系式。
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