基于保守功率理论的两相三线系统选择性功率调节

A. Alonso, H. Paredes, José A. O. Filho, J. Bonaldo, D. Brandão, F. Marafão
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引用次数: 3

摘要

基于主要集中在单相和三相布线拓扑的方法,文献中对电力系统中的交流电源调节器进行了广泛的探索,在适用于两相三线制电路的应用方面仍然存在显着差距。因此,这项工作表明,保守功率理论可以用来为两相三线制网络中的有源功率滤波器产生适当的参考信号。这种方法允许以灵活的方式选择性地合成参考信号,提供无功补偿,减轻不平衡和谐波电流,以及有助于减少公共耦合点的中性电流。本文通过仿真结果讨论了所提出的策略及其实现,以及三脚有源电力滤波器的控制设计,展示了该方法的特殊性和优越性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Selective Power Conditioning in Two-Phase Three-Wire Systems Based on the Conservative Power Theory
AC power conditioners in electric power systems have been extensively explored in the literature based on approaches mainly focused on single- and three-phase wiring topologies, remaining a significant gap in regard to applications suitable for two-phase three-wire circuitry. Therefore, this work demonstrates that the Conservative Power Theory can be employed to generate the proper reference signals for an active power filter in two-phase three-wire networks. This methodology allows to selectively synthesize reference signals in a flexible manner, providing reactive power compensation, mitigation of unbalance and harmonic currents, as well as contributing to the reduction of neutral current at point of common coupling. The proposed strategy, its implementation, and the control design of a three-leg active power filter are discussed in this paper through simulation results, demonstrating the particularities and advantages of this approach.
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