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基于电流跟踪控制的新型负载相位调节器

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Keywords: 相位控制器,电流跟踪,PWM,控制策略

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Abstract:

对负载相位调节器进行了深入研究,包括其主电路工作原理和控制方法.采用AC/DC桥式变流为主电路结构,提出了一种电压外环、电流内环的双闭环控制策略,同时使输入电流跟踪预先给定的正弦波,以保证输出电压的稳定性.给出了主电路中电感和电容取值范围的估算方法,并分析了电流跟踪控制的开关管工作频率的数值算法.最后通过仿真验证了系统的可行性和准确性.

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