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首页> 外文期刊>Electric power systems research >Power quality improvement in 3-phase 3-wire distribution systems using modular active power filter
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Power quality improvement in 3-phase 3-wire distribution systems using modular active power filter

机译：使用模块化有源功率滤波器改善三相3线配电系统的电能质量

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摘要

Active power filters have been introduced for the purpose of power quality improvement. Th power converter used as an active filter is rated based on the magnitude of the injected current and is operated at the switching frequency required to perform the filtering job successfully. Excessive losses are expected if the converter's power rating and switching frequency are both high. In this paper, an efficient and reliable active filter system for the power quality enhancement is proposed. The proposed filter is based on 3-phase PWM -controlled current-source converter (CSC) modules, where each filter module is dedicated to eliminate a specific harmonic and/or balance the line currents.
机译：为了改善电能质量，已经引入了有源功率滤波器。根据注入电流的大小对用作有源滤波器的功率转换器进行额定，并以成功执行滤波工作所需的开关频率进行操作。如果转换器的额定功率和开关频率都很高，则可能会损失过多。本文提出了一种高效可靠的有源滤波器系统，以提高电能质量。所提出的滤波器基于三相PWM控制的电流源转换器（CSC）模块，其中每个滤波器模块专用于消除特定的谐波和/或平衡线路电流。

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