[1] Zhao, W.J. (2004) HVDC Engineering Technology. China Electric Power Press, Beijing, 318-325.
[2] Wang, C.L. and Li, J.H. (2005) Calculation and Analysis of End Electrical Field in Valve Winding Polarity Reverser Test for Converter Transformer. Transformer, 42, 11-14.
[3] Kurita, A., Takahashi, E., Ozawa, J., et al. (1983) DC Flashover Voltage Characteristics and Their Calculation Method for Oil-Immersed Insulation Systems in HVDC Transformers. IEEE Transactions on Power Delivery, PWRD-1, 184-190.
[4] Lv, X.D. and Chen, D.L. (1997) TheStudy on Electric Field Characteristics of Converter Transformer under Polarity Reversal. High Voltage Engineering, 23, 67-72.
[5] Zhang, Y.L. and Xie, D.X. (2001) Analysis of Transient Electric Field in Converter Transformer. Journal of Shenyang University of Technology, 23, 467-470.
[6] Li, J., Luo, L.F., Xu, J.Z., et al. (2016) Study on Electric Charateristics at Ends of Valve Side Winding in Converter Transformer. High Voltage Engineering, 32, 121- 214.
[7] Chen, Q.G., Zhang, J., Gao, Y., et al. (2008) Analysis of Complex Electric Field on Valve Side Widing of Converter transformer. High Voltage Engineering, 34, 484- 488.
[8] Ding, Z.G., Li, G.F., Li, P., et al. (2008) Electric Field Characteristic Calculation on Typical Oil-Paper Combination Insulation under Polarity Reversal. Power System Technology, 32, 82-85, 90.
[9] Zhang, X.L., Wang, J.M., Wu, Z.B, et al.(2009) Numerical Analysis of Electric Field in Valve Side Lead-out Wire for UHV DC Converter Transformer. Transformer, 46, 1-4, 10.
[10] Liu, P., Peng, Z.R., Dang, Z.P., et al. (2009) Study on Electric Field Distribution of ±800kV Converting Transformer Bushing Outlet Terminal during Polarity Reversal Test. Insulators and Surge Arresters, 3, 1-4, 8.
[11] Fu, T.J., Wang, J., Zhong, J.T., et al. (2009) Insulation Structure Analysis of ±800kV Converter Transformer for DC Transmission. Transformer, 46, 1-5.
[12] Zhang, Y.B., Zheng, J., Wang, D.H., et al. (2010) Development of UHVDC Converter Transformer. High Voltage Engineering, 36, 255-264.
[13] Liu, G., Li, L., Li, W.P., et al. (2012) Analysis of Nonlinear Electric Field of Converter Transformer under Polarity Reversal Voltage. High Voltage Engineering, 38, 451-456.
[14] Li, Y., Li X.H., Tang, C., et al. (2012) Analysis on Transient Electric Field at Ends of Valve-Side Winding in Converter Transformer. High Voltage Engineering, 38, 2797-2804.
[15] Li, L., Ji, F., Li, W.P., et al. (2011) Numerical Simulation of Converter Transformer’s Polarity Reversal Test. Proceeding of the CSEE, 31, 107-112.
[16] Hou, X.M. (2013) The Electric Field Charateristics Simulation of Converter Transformer Valve Side and Analysis of Its Influence Factors. Shenyang University of Technology, Shenyang.
[17] Liu, G., Li, L., Zhao, X.J., et al. (2012) Analysis of Nonlinear Electric Field of Oil- Paper Insulation under AC-DC Hybrid Voltage by Fixed Point Method Combined with FEM in Frequency Domain. Proceeding of the CSEE, 32, 154-161.
[18] Zhang, H.F., Liu, G. and Li, H.Q. (2015) Simulation Analysis on Winding Current of Three-Chang ±500kV Converter Transformer under Different Operating Conditions. Shanxi Electric Power, 43, 46-50.
[19] Haus, H.A. and Melcher, J.R. (1992) Electomagnetic Fields and Energy, Translated by Jiang, J.L., Zhou, P.B., Qian, X.Y., et al., High Education Press, Beijing, 9-26. (In Chinese)
[20] Yuan, J.S. (1991) Method of Finite Element-Fast Fourier Transformation for Calculation of Linear Time-Dependent Eddy Current Fields. Journal of North China Institute of Electric Power, 43-50.