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NCUEIR > College of Technology > Department of Industrial Education and Technology > Proceedings > Item 987654321/13826

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/13826

Title:	Analysis of the Voltage and Current Unbalances in a Closed-loop Distribution Feeder Caused by Removal of a Failed Capacitor Unit
Authors:	Huang, Wei-Tzer;Wen, Kun-Li;Chen, Shiuan-Tai
Contributors:	工業教育與技術學系
Keywords:	Distribution feeder;Closed-loop arrangement;Capacitor bank;Unbalance factors;Voltage unbalance;Current unbalance
Date:	2005-04
Issue Date:	2012-08-27T11:01:01Z
Abstract:	The main purpose of this paper is to analyze the voltage and current unbalances in a closed-loop distribution feeder caused by removal of a failed capacitor unit in an ungrounded Y-connected capacitor bank with one series group per phase. The distribution feeder unbalance as a result of the removal of one failed capacitor unit by its fuse is usually unexpected and unmanageable due to the poor environment. Distribution engineers should pay more attention to this situation to lessen its impact on the system and equipment. A sample feeder with closed-loop arrangement was used to simulate a practical feeder under normal and abnormal operation conditions, which a failed capacitor unit is removed. The simulation results indicate that the removal of a failed capacitor bank may significantly impact the system operation if the capacitor bank has only one series group. The outcomes are of value to distribution engineers to thoroughly realize the effects of the removal of a failed capacitor bank.
Relation:	Proceedings of the IASTED International Conference POWER AND ENERGY SYSTEMS, : 329-333
Appears in Collections:	[Department of Industrial Education and Technology] Proceedings

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