1. Hongzhi, L., Xiang, C., Tiebing L., Zhiguang, C., Dongsheng L., An improved magnetic circuit model of power transformers under DC bias excitation, Asia-Pacific Symposium on EMC (APEMC), 2010, pp. 806–809.
2. Study the harmonic characteristics of DC bias on the single phase power transformer;Siti,2012
3. Jinxia, Y., Min L., Changyun L., Qingmin, L., Harmonics And Reactive Power Of Power Transformers With Dc Bias. Power and Energy Engineering Conference (APPEEC). Asia-Pacific, 2010, pp. 1–4.
4. Zhu, W., Caihong, Y., Yongjiang, J., Research on large DC-biased power transformer, International Conference on Electrical and Control Engineering (ICECE), 2010, pp. 4102–4105.
5. Zhu. W., Yan., C., Jia, Y., Research on large DC-biased power transformer, International Conference on Electrical and Control Engineering (ICECE), 2010, pp. 4102–4105.