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首页> 外文期刊>Power Electronics, IET >Application of shunt active power filter for harmonic reduction and reactive power compensation in three-phase four-wire systems
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Application of shunt active power filter for harmonic reduction and reactive power compensation in three-phase four-wire systems

机译：并联有功功率滤波器在三相四线制谐波减少和无功补偿中的应用

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This study deals with the analysis and implementation of compensation algorithms applied to a shunt active power filter, which uses three single-phase full-bridge converters sharing the same dc-bus voltage. The shunt filter is applied to three-phase four-wire systems, performing harmonic current suppression, reactive power compensation and power factor improvement. In addition, load unbalances compensation is also carried out. Two different control strategies are presented. In the first strategy, which is called independent current control, the currents of the three-phase power source are independently compensated performing harmonic suppression and load reactive power compensation, that is, the three-phase four-wire system is treated as three independent single-phase systems. In the second strategy, in addition to harmonic suppression and load reactive power compensation, the shunt filter also performs load unbalance compensation, resulting in sinusoidal and balanced source currents. The compensating algorithms are evaluated by means of several experimental test conditions, in order to validate the theoretical development and analyse the performance of the shunt filter.
机译：本研究涉及应用于并联有源功率滤波器的补偿算法的分析和实现，该算法使用三个共享相同直流总线电压的单相全桥转换器。该并联滤波器应用于三相四线制系统，执行谐波电流抑制，无功功率补偿和功率因数改善。另外，还进行负载不平衡补偿。提出了两种不同的控制策略。在称为独立电流控制的第一种策略中，对三相电源的电流进行独立补偿，以执行谐波抑制和负载无功功率补偿，即，将三相四线制系统视为三个独立的单相系统。相系统。在第二种策略中，除了谐波抑制和负载无功功率补偿以外，并联滤波器还执行负载不平衡补偿，从而产生正弦和平衡的电源电流。为了验证理论发展并分析并联滤波器的性能，通过几种实验测试条件对补偿算法进行了评估。

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