A study of the sweep frequency impedance method and its application in the detection of internal winding short circuit faults in power transformers

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 22, Issue 4, 2015, Pages 2046-2056

  Liu, Yong ^a   Ji, Shengchang ^a   Yang, Fan ^a   Cui, Yanjie ^a   Zhu, Lingyu ^a   Rao, Zhangquan ^b   Ke, Chunjun ^b   Yang, Xian ^b  

^a XI'AN JIAOTONG UNIVERSITY   (China)

^b Guang Dong Electric Power Research Institute   (China)

Author keywords

frequency response analysis (FRA); short circuit fault; short circuit impedance (SCI); sweep frequency impedance (SFI); Transformer winding deformation

Indexed keywords

ELECTRIC NETWORK ANALYSIS; ELECTRIC TRANSFORMER TESTING; FAULT DETECTION; FREQUENCY RESPONSE; NONDESTRUCTIVE EXAMINATION; OIL FILLED TRANSFORMERS; SIGNAL TO NOISE RATIO; TRANSFORMER WINDINGS; WINDING;

FREQUENCY RESPONSE ANALYSES (FRA); SHORT-CIRCUIT FAULT; SHORT-CIRCUIT IMPEDANCE; SWEEP FREQUENCIES; TRANSFORMER WINDING DEFORMATIONS;

POWER TRANSFORMERS;

EID: 84939786031     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2015.004977     Document Type: Article

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