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Effect of supply voltage asymmetry on IRP p-q-based switching compensator control

机译：电源电压不对称对基于IRP p-q的开关补偿器控制的影响

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摘要

Results of a study on how the supply voltage asymmetry affects the reference signal for switching compensator control, in a situation when this signal is generated using the instantaneous reactive power (IRP) p-q theory are presented. According to the IRP p-q approach, the compensator should compensate IRP and the alternating component of the instantaneous active power of the load. However, that in the presence of the supply voltage asymmetry, even an ideal, unity power factor load has an instantaneous active power with a non-zero alternating component is demonstrated. According to IRP p-q theory-based approach, it should be compensated and this requires that a distorted current be injected into the distribution system. It means that in the presence of the supply voltage asymmetry, the algorithms based on the IRP p-q theory generate a non-sinusoidal reference signal for the compensator control, even when voltages and currents in the system are sinusoidal.
机译：给出了在瞬时无功功率（IRP）p-q理论产生该信号的情况下，电源电压不对称如何影响参考信号的研究结果。根据IRP p-q方法，补偿器应补偿IRP和负载瞬时有功功率的交流分量。但是，在电源电压不对称的情况下，即使是理想的单位功率因数负载也具有瞬时有功功率，且交流分量不为零。根据基于IRP p-q理论的方法，应该对其进行补偿，这要求将失真的电流注入配电系统中。这意味着，在电源电压不对称的情况下，即使系统中的电压和电流为正弦波，基于IRP p-q理论的算法也会生成用于补偿器控制的非正弦波参考信号。

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