1. Ma, Y.: Develop Trend of Auxiliary Power Supply for Urban Rail Transit Train. Urban Mass Transit, No.7, 90–93 (2017). (in Chinese)
2. MBTA Red / Orange Line New Vehicle Technical Specification 15 May 2014: T9
3. Xi, H., Wang, A.: Design of metro vehicle’s auxiliary power supply. Urban Mass Transit 12, 40–44 (2012). (in Chinese)
4. Rao, P., Xie, W., Tang, J., Yang, K.: Optimum design of LLC resonant converter for high frequency auxiliary converter of urban rail. Electr. Drive Locomotives 4, 142–151 (2020). (In Chinese)
5. Bi, J., Zhou, S., Xia, M., Ma, F., Yu, H., Wang, M.: Research on new control strategy of subway auxiliary inverter. Electr. Drive 1(51), 45–50 (2021). (in Chinese)