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改进的三相四线制 UPQC 拓扑与减少的直流环节电压额定值

于 2023-02-27 发布 文件大小:174.63 kB
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统一的电能质量调节器 (UPQC) 是定制电源设备,减轻了电压和电流相关配电系统电能质量问题。在本文中,提出了 UPQC 拓扑的非刚性源的应用程序。提出的拓扑结构使 UPQC 要减少的直流环节电压不损害其赔偿能力的情况。这提出的拓扑结构还有助于满足直流环节电压要求并联和串联有源滤波器的统一电能质量控制器。的拓扑结构与接口电感串联使用的电容器并联型有源滤波器和系统中性点连接到负面终端的直流环节电压,以避免要求第四条腿在电压源逆变器 (VSI) 分流器的有源滤波器。平均开关频率中的交换机VSI 也减少,因此在逆变器的开关损耗减少。串联电容器和 VSI 的详细的设计方面本文讨论了参数。仿真研究提出的拓扑结构进行了利用 PSCAD介绍了模拟器和结果。实验研究对三相 UPQC 原型来验证建议进行拓扑结构。索引术语 — — 平均开关

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