1. (2) S. Oasawaram: “Reduction of Leakage Current, Surge Voltage and Shaft Voltage in Variable-Speed AC Drives”, T. IEE Japan, Vol. 118-D, No. 9, pp. 975-980 (1998) (in Japanese)
2. (3) S. Ogasawara and H. Akagi: “Modeling and Damping of High-Frequency Leakage Currents in PWM inverter-Fed AC Motor Drive Systems”, IEEE Trans. on IA, Vol 32, No. 5, pp. 1105-1114 (1996)
3. (4) S. Ogasawara, H. Ayano, and H. Akagi: “Active Cancellation of the Common-Mode Voltage Produced by a Voltage-Source PWM Inverter”, T. IEE Japan, Vol. 117-D, No. 5, pp. 565-571 (1997) (in Japanese)
4. (5) K. Narita and T. Shimizu: “Common-mode Motor-surge-voltage Suppression Method”, T. IEE Japan, Vol 136-D, No. 9, pp. 635-645 (2016) (in Japanese)
5. (6) D. Itoh and T. Michiba: “EMC with Signalling System from Rolling Stock Standpoint”, Proceedings of JIASC 2005, No. 3-S2-2 (2005) (in Japanese)