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《Converter Technology & Electric Traction》 2007-01
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Fault Simulation Model of Three-phase Transformer Based on Matlab

HU Zhi-kun1,2,HE Duo-chang1,ZHANG Zuo-liang2,GUI Wei-hua2 (1.National Engineering Research Center of Convert,Zhuzhou,Hunan 412001,China; 2.School of Information Science and Engineering,Central South University,Changsha,Hunan 410083,China)  
A formula of link relation of three-phase transformer is deduced using three absolute single-phase transformer based on mathematical model of single-phase two winding transformer.Fault simulation model of three-phase transformer is developed.Magnetic chain is regarded as variable considering such factors as terminal condition of secondary side and saturation of magnetic route of ironic core.The simulations of flow current of magnetizing inrush of three-phase transformer,short circuit current and primary current during short circuit circle-ground and circle-circle of secondary winding are presented.The results prove its correctness and validity.
【Fund】: 湖南省自然科学基金(06FD007)
【CateGory Index】: TM407
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【Co-citations】
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