References
- K. Nitta , H. Okitsu , T. Suzuki and E. Yoshinari , “ Effect of armature reaction on transfer function of dc motor ”, 1971 National conv. Inst. Elect. Eng. , Japan ,No. 623 (in Japanese)
- K. Nitta , H. Okitsu , T. Suzuki and Y. Kinouchi , “ The characteristics of a separately excited dc motor fed by the power supply using rectifier element ”, Trans. IEE Japan , vol. 89 , No.11 , pp. 2133 – 2140 , 1967 (in Japanese)
- K. Nitta , H. Okitsu , T. Suzuki and Y. Kinouchi , “ Dynamic characteristics of separately excited dc motor operated by a thyristor pulsating ”, Trans. IEE Japan , Vol. 90 , No.8 ,pp. 1577 – 1584 , 1970 (in Japanese)
- K.B. Naik , V.K. Jain and G. K. Dubey , “ Dynamic model of chopper fed dc separately excited motor ”, Electric machines and Electro-mechanics , Vol. 7 , No.6 , pp. 497 – 516 , 1982