Development of Steady State Model for Transformer Internal Faults

被引：0
作者：
Sreejith, P. M. [1 ]
Savier, J. S. [1 ]
Joseph, Francis C. [2 ]
机构：
[1] Coll Engn, Dept Elect Engn, Thiruvananthapuram, Kerala, India
[2] PRDC Ltd, Bengaluru, Karnataka, India
来源：
2017 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, INFORMATICS, COMMUNICATION AND ENERGY SYSTEMS (SPICES) | 2017年
关键词：
Transformer; internal fault; modified nodal analysis; turn to ground fault; short circuit current;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a novel method to model the steady state behaviour of internal faults in transformers. Transformer with turn-to-ground fault can be represented by an impedance matrix. Modified Nodal Analysis (MNA) is employed to calculate the steady state values of node voltages and branch currents under faulted condition. The computations are implemented using a MATLAB program. Similar conditions were simulated using PSCAD/ EMTDC and the results were compared. The steady state quantities obtained from this method can be used for designing the protective scheme for transformer internal faults.
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页数：6
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