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引用次数: 5
摘要
UPQC (Unified Power Quality调节器)是一种定制的电源设备，用于缓解配电系统中与电压和电流相关的电能质量问题。本文提出了两种用于UPQC应用的电压源逆变器(VSI)拓扑结构。所提出的拓扑结构使UPQC能够在不影响补偿能力的情况下降低直流链路电压。这些提出的拓扑结构也有助于匹配UPQC中并联和串联有源滤波器的直流链路电压要求。本文将提出的UPQC拓扑与现有文献中的拓扑进行了比较。对所提出的拓扑进行了仿真研究，并给出了结果。
Comparison of various Voltage Source Inverter based UPQC topologies
The Unified Power Quality Conditioner (UPQC) is a custom power device, which mitigates voltage and current related power quality issues in the power distribution systems. In this paper, two new Voltage Source Inverter (VSI) topologies for UPQC application are proposed. The proposed topologies enables UPQC to have a reduced DC link voltage without compromising the compensation capability. These proposed topologies also help to match the DC link voltage requirement of the shunt and series active filters in the UPQC. In this paper the proposed UPQC topologies are compared with the existing topologies in the literature. A simulation study of the proposed topologies has been carried out and the results are presented.
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