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《High Voltage Apparatus》 2005-04
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Several Methods to Reduce Transformer Inrush Current

CHEN Yan, CHEN Xiao-chuan, GAO Shi-bin(School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)  
Large inrush current occurs when energizing unloaded transformer in power system, which provides unfavorable condition in transformer operation. Three methods are proposed in this paper to reduce inrush current: by controlled three-phase switching; by resistor insertion and by changing the distribution of coil winding. The three methods are proved to be effective both by the theoretical and practical considerations which all have advantages and disadvantages, but the feasibility of the former two methods is better.
【CateGory Index】: TM41
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Chinese Journal Full-text Database 2 Hits
1 CUI Hengrong,GUO Congliang(Department of Electronic Science & Technology,University of Science and Technology of China,Hefei 230027,China);Identification of Transformer Inrush Current and Internal Fault Current Based on Wavelet Algorithm[J];Low Voltage Apparatus;2007-21
2 HUO Xian-jun (Power(Beijing) Product Certification Center Co., Ltd, Beijing 100011, China);Analysis and Countermeasures for Excitation Inrush at Making of Transformer[J];Jiangsu Electrical Apparatus;2007-06
Chinese Journal Full-text Database 10 Hits
1 ZHANG Xiu-mei,ZHOU Sheng-rong (Electrical Co.,Ltd.of Baotou Steel(group) Corporation,Baotou 014010,Nei Monggol,China);Phase-shifting of the Multi-impulse Converter Transformer[J];Science & Technology of Baotou Steel(Group) Corporation;2006-01
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6 Fu Yang Lan Zhida Shanghai Institute of Electric Power,Shanghai 200090 Chen Heng Southeast University,Nanjing 210096;Simulation of Magnetizing Inrush Current in Three-Phase Transformer Considering Dynamic Magnetization Performance of Core[J];TRANSFORMER;1997-09
7 Su Tao1,2,Zan Xiaoshu1,2,Zhou Lixin2(1. Dep.of Automation,China University of Mining & Technology,Jiangsu Xuzhou 221008,China;2.Engineering Technology Research Center for Power Drive & Automatic Control of Jiangsu Province,Jiangsu Xuzhou 221004,China);Apply analog optocoupler HCNR201 to check voltages with high accuracy[J];Electrical Measurement & Instrumentation;2004-07
8 DUANXiongying*,ZOUJiyan,FANGChunen,CONGJiyuan( Dept. of Electr. and Electron Eng., Dalian Univ. of Technol., Dalian 116024, China );Synchronized control tactics of phasing vacuum switches when closing capacitor banks[J];Journal of Dalian University of Technology;2003-04
9 FANGChunen,ZOUJiyan*,DINGFuhua,DUANXiongying( Dept. of Electr. and Electronic Eng.,Dalian Univ. of Techonol.,Dalian 116024,China );Research on dielectric recovery of short gap arc in phasing vacuum switches[J];Journal of Dalian University of Technology;2003-05
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【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 CHENG Xu,ZHANG Hao-ran (Henan Jiaozuo Power Supply Company,Jiaozuo 454150,China);Brief analysis and solution of the protection trip caused by no-load transformers' input[J];Power System Protection and Control;2009-19
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