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首页> 外文会议>Industrial Electronics, Control, Instrumentation, and Automation, 1992. Power Electronics and Motion Control., Proceedings of the 1992 International Conference on >A three-phase active power filter operating with fixed switching frequency for reactive power and current harmonic compensation
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A three-phase active power filter operating with fixed switching frequency for reactive power and current harmonic compensation

机译：具有固定开关频率的三相有功功率滤波器，用于无功功率和电流谐波补偿

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摘要

The performance and dynamic characteristics of a three-phase active power filter operating with fixed switching frequency are presented and analysed. The proposed scheme employs a pulse width modulation voltage source inverter and has two important characteristics. First, it operates with fixed switching frequency, and, second, it can compensate the reactive power and the current harmonic components of nonlinear loads. Reactive power compensation is achieved without sensing the computing the reactive component of the load current, thus simplifying the control system. Current harmonic compensation is done in the time domain. The principles of operation of the proposed active power filter along with the design criteria of the power and control circuit components are discussed in detail. Experimental results obtained from a 5 kVA prototype confirm the feasibility and the features of the proposed system.
机译：介绍并分析了以固定开关频率工作的三相有源电力滤波器的性能和动态特性。该方案采用了脉宽调制电压源逆变器，并具有两个重要特性。首先，它以固定的开关频率工作，其次，它可以补偿无功功率和非线性负载的电流谐波分量。在不感测负载电流的无功分量的情况下实现了无功功率补偿，从而简化了控制系统。电流谐波补偿在时域中完成。详细讨论了所提出的有源功率滤波器的工作原理以及电源和控制电路组件的设计标准。从5 kVA原型获得的实验结果证实了所提出系统的可行性和功能。

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