A 21-Level (Line-to-Line) BTB System Based on Series Connection of Sixteen Converter Cells-Experimental Verifications by a 200-V, 20-kW Laboratory System-
(3) T. Sato, Y. Matsushita, K. Temma, and I. Iyoda: “Suggestion and feasibility study for massively parallel Back-To-Back system”, T. IEE Japan, Vol. 121-B, No. 1, pp. 15-21 (2001-1) (in Japanese)
佐藤 正·松下義尚·天満耕司·伊与田功: 「多並列BTBシステムの提案および課題検討」, 電学論B, 121, 1, pp. 15-21 (2001-1)
(4) H. Yamamoto, S. Tanaka, S. Saito, and S. Irokawa: “A novel control of self-commutated converters for large power applications”, T. IEE Japan, Vol. 118-D, No. 9, pp. 1020-1027 (1998-9) (in Japanese)