(1) J. Ito, H. Tajima, and H. Ohsawa: “Induction Motor Drive System using V-connection AC Chopper”, Proc. of the 2002 JIAS Conf., Vol. 2, No. 217, pp. 943-948 (2002) (in Japanese)
伊藤淳一·田島宏一·大沢 博: 「三相V結線交流チョッパを用いた誘導電動機駆動システム」, 平14電気学会産業応用部門大会講演論文集, 2, 217, pp. 943-948 (2002)
(2) N. A. Ahmed, K. Amei, and M. Sakui: “A New Configuration of Single-Phase Symmetrical PWM AC Chopper Voltage Controller”, IEEE Transaction on Industrial Electronics, Vol. 46, No. 5, pp. 942-952 (1999)
(3) D. -H. Jang and G. -H. Choe: “Step-Up/Down AC Voltage Regulator Using Transformer with Tap Changer and PWM AC Chopper”, IEEE Transaction on Industrial Electronics, Vol. 45, No. 6, pp. 905-911 (1998)
(4) T. Ohnishi: “High Efficiency PWM Controlled AC Power Supply”, T. IEE Japan, Vol. 115-D, No. 9, pp. 1108-1114 (1999-9) (in Japanese)