1. Li, G., Yu, C., Liu, Y., Fan, H., Wen, F., Song, Y.: Challenges and prospects of fault prognostic and health management for power transformer. Autom. Electric Power Syst. 41(23), 156–167 (2017) (in Chinese)
2. Singh, S., Bandyopadhyay, M.N.: Duval triangle: a noble technique for DGA in power transformers. Int. J. Electr. Power Eng. 4(3), 193–197 (2012)
3. Liu, X., Zhang, P., Zhou, J., Tian, Y., Wang, F., Ling, X.: Gray model based on cos(xα) transformation and its application in the prediction of gas concentration in transformer oil. J. Xihua Univ. (Nat. Sci. Edn.) 32(02), 79–83(2013) (in Chinese)
4. Deng, Y., Zhang, W., Liang, J., Wu, R.: Prediction of the trends in the data of dissolved gas production in transformer oil based on time series analysis. Smart Grid 4(08), 744–748 (2016) (in Chinese)
5. Wei, C., Tang, W., Wu, Q.: Dissolved gas analysis method based on novel feature prioritisation and support vector machine. Electric Power Applications Let 8(8), 320–328 (2014)