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电网技术  2006 

基于模糊参数自校正PID控制的动态不间断电源补偿量直接检测法

, PP. 56-61

Keywords: 电能质量,模糊控制,PID控制,动态不间断电源(DUPS),电压补偿量

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Abstract:

针对带通滤波器会影响电压补偿量检测的实时性和补偿精度的问题,提出了基于模糊参数自校正PID控制的动态不间断电源(dynamicuninterruptiblepowersupply,DUPS)补偿量直接检测法。该检测法可从故障信号中快速提取出基波分量,并结合瞬时序分量分解环节提取出基波正序电压分量,然后用直接检测法得到电压补偿量的大小。仿真结果表明,该方法具有实现简单、实时性好的特点,适用于对DUPS补偿量进行直接检测。

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