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A Novel Inductance Calculation Method in Power Transformer Model Based on Magnetic Circuit

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3 Author(s)
Xu Yan ; Student Member, IEEE, Key Laboratory of Power System Protection, Dynamic Security Monitoring and Control under Ministry of Education, North China Electric Power University(NCEPU), P.O.B. 18, 204 Qingnian Road, Baoding, Heibei Province, 071003, China. e-mail: xuyanliuqing@yahoo.com ; Wang Zengping ; Liu Qing

For the problems in the inductance calculation of transformer simulation model, this paper presents a calculation method with transformer magnetic circuit. This method calculates the mutual inductance and leakage inductance respectively. When calculating the leakage inductance, the effect of vertical leakage flux and horizontal leakage flux have been considered, which makes the calculating result are more correct. In order to prove the validity of this method, the data of simulation test and dynamic analog test have been compared. The results have proved that the method of magnetic circuit calculation is accurate.

Published in:

TENCON 2005 - 2005 IEEE Region 10 Conference

Date of Conference:

21-24 Nov. 2005