非理想市电电压下基于P-Q理论的有源电力滤波器控制策略

Moh. Jauhari, Abdillah Fashiha Ilman, Lin Prasetyani, T. Dewi
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引用次数: 1

摘要

电力系统中的谐波是一种引起电流和电压波形失真的扰动。减少负面影响所需的谐波缓解。有源电力滤波器(APF)是一种消除谐波的方法,它向相反的波形注入谐波。采用P-Q理论计算基准电流来补偿谐波。但是,P-Q理论在非理想市电电压下应用有其不足之处。在计算基准电流之前,采用锁相环对非理想主电压进行归一化处理。仿真和分析结果表明了所采用控制策略的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Control Strategy For Active Power Filter Based On P-Q Theory Under Non-Ideal Mains Voltages
Harmonics on the electrical system is a disturbance that causes the waveform of currents and or voltages are distorted. Mitigation of harmonics needed to reduce the negative impacts. Active power filter (APF) is one method to reduce harmonic waves, which injects the opposite waveform with harmonic wave. P-Q Theory is used to calculate the reference current to compensate harmonics. But, P-Q Theory has weakness if applied under non-ideal mains voltage. Phase Lock Loop (PLL) is used to normalization the non-ideal main voltage before calculate the reference current. Based on the results of simulation and analysis show the effectiveness of the control strategy being used.
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