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基于优化负载电流前馈控制的400Hz三相PWM航空整流器

, PP. 141-146

Keywords: 功率因数校正,航空电网,前馈控制,空间矢量调制,整流器

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Abstract:

研究了应用于400Hz航空电网的三相高功率因数PWM整流器的控制方法及实现技术。为抑制输出直流电压波动,提高系统动态性能,提出了一种优化的负载电流前馈补偿控制策略,有效地改善了系统对输入电压突变和负载突变的响应特性;深入分析了影响输出电压动态响应的主要因素,给出了基于系统小信号平均模型前馈补偿控制器的设计原则和方法。仿真和4kW样机实验结果验证了分析设计的正确性。

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