1. College of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing, China
2. Suzhou NOVOSNS Microelectronics Company Ltd., Suzhou, China
3. Jiangsu Zhanxin Semiconductor Company Ltd., Nanjing, China
4. Center for More-Electric-Aircraft Power Systems, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China