Study on transformer protection principle based on equivalent circuit equilibrium equation

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering

Volumn 26, Issue 10, 2006, Pages 67-72

  Hao, Zhi Guo ^a   Zhang, Bao Hui ^a   Chu, Yun Long ^b   Duan, Jian Dong ^a   Li, Peng ^a   Zhang, Qianfeng ^c  

^a XI'AN JIAOTONG UNIVERSITY   (China)

^b Northwest China Grid Co Ltd   (China)

^c Xi'an XD Transformer Co Ltd   (China)

Author keywords

Equivalent circuit equilibrium equation; Inrush current; Internal fault; Leakage inductance; Least square; Mutual flux; Power system; Transformer protection

Indexed keywords

ALGORITHMS; EQUIVALENT CIRCUITS; LEAST SQUARES APPROXIMATIONS; PHASE EQUILIBRIA; TRANSFORMER PROTECTION;

EQUIVALENT CIRCUIT EQUILIBRIUM EQUATION; INRUSH CURRENT; INTERNAL FAULT; LEAKAGE INDUCTANCE; MUTUAL FLUX; POWER SYSTEM;

ELECTRIC POWER SYSTEMS;

EID: 33745757229     PISSN: 02588013     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Armando Guzman, Stan Zocholl, Gabriel Benmouyal, et al. A Current-Based Solution for Transformer Differential Protection - Part I: Problem Statement[J]. IEEE Transaction On Power Delivery, 2001, 16(10): 485-491.
2. Armando Guzman, Stan Zocholl, Hector J Altuve. A Current-based solution for transformer differential protection -part ii: relay description and evaluation[J]. IEEE Transaction on Power Delivery, 2002, 17(4): 886-893.
3. He Benteng, Xu Xidong. Protection based on wave comparison[J]. Proceeding of the CSEE, 1998, 18(6): 395-398, 404.
4. Jiao Shaohua, Liu Wanshun. A novel scheme to discriminate inrush current and fault current based on integrating the waveform[J]. Proceeding of the CSEE, 1999, 19(8): 35-38.
5. Jiao Shaohua, Liu Wanshun, Liu Jianfei, et al. A new principle of discrimination between inrush current and fault current of transformer based on wavelet[J]. Proceeding of the CSEE, 1999, 19(7): 1-5, 76.
6. Duan Yuqian, He Jiali, He Jihong. Computerized transformer protection based on artificial neural network[J]. Proceeding of the CSEE, 1998, 18(3): 190-194.
7. Liang Guojian, Liang Guanan. Identify the fault current and inrush current of a transformer using the fuzzy degree of nearness[J]. Proceeding of the CSEE, 1998, 18(5): 310-314.
8. Li Haifeng, Wang Gang, Li Xiaohua, et al. Distinguish between inrush and internal fault of transformer based on adaptive wavelet neural network[J]. Proceeding of the CSEE, 2005, 25(7): 144-150.
9. Yabe K. Power differential method for discrimination between fault and magnetizing inrush current in transformer[J]. IEEE Transaction on Power Delivery, 1997, 12(3): 1109-1118.
10. Phadke A G, Thorp J S. A new computer-based flux-restrained current-differential relay for power transformer protection[J]. IEEE Transactions on Power Apparatus and Systems, 1983, 102(11): 3624-3629.
11. Zong Hongliang, Jin Huafeng, Zhu Zhenfei, et al. Transformer inrushdetected by the variation of magnetizing impedance[J]. Proceeding of the CSEE, 2001, 21(7): 91-94.
12. Inagaju K, Higaju M, Matsyu Y, et al. Digital protection method for power transformers based on an equivalent circuit composed of inverse inductance[J]. IEEE Transaction on Power Delivery, 1988, 3(4): 1501-1508.
13. Wang Zengping, Xu Yan, Wang Xue, et al. Study on the novel transformer protection principle based on the transformer model[J]. Proceeding of the CSEE, 2003, 23(12): 54-58.
14. Han Zhengqing, Gao Shibin, Li Qunzhan. A novel transformer model based protective princeple for transformer and its criteria[J]. Power System Technology, 2005, 29(5): 67-71.