Analysis of Interconnected Distribution Feeders Under Unbalanced Operation Conditions Using OrCAD PSpice

Wen-chih Yang, Wei-Tzer Huang, Yu-Da Gu
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引用次数: 1

Abstract

This work investigates the unbalanced operation conditions of two interconnected radial distribution feeders. To connect two radial distribution feeders is an important method of improving the reliability of a distribution system. However, it also impacts the operation of the system. In this work commercial software, OrCAD PSpice is used to build three-phase equivalent models of the sample distribution system with two radial primary feeders, and investigate the unbalanced operation conditions of two sample feeders before and after an interconnection is made. Data that include the voltages, currents, power losses and unbalanced ratios of the sample feeders are presented and discussed. They are anticipated to be a useful reference for personnel in electrical utilities, to help them understand the unbalanced problems of interconnected feeders
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不平衡运行条件下互联配电馈线的PSpice分析
本文研究了两台相互连接的径向分布给料机的不平衡运行情况。连接两条径向配电馈线是提高配电系统可靠性的重要方法。但也会影响系统的运行。本文利用OrCAD PSpice商业软件建立了具有两条径向一次馈线的样品分配系统的三相等效模型,研究了两条馈线互联前后的不平衡运行情况。数据包括电压,电流,功率损耗和样品馈线的不平衡比提出和讨论。期望为电力公司的工作人员提供有用的参考资料,帮助他们了解互联馈线的不平衡问题
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