WASET
    R. Gunabalan and  V. Subbiah,  Speed -Sensorless Vector Control of Parallel Connected Induction Motor Drive Fed by a Single Inverter using Natural Observer.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 1193 - 1198
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/7677.