1. Bimbra PS. Electric Machinery. 7th ed. Delhi, India: Khanna Publishers; 2011. p. 1060. ISBN: 978-8174091734
2. Bose BK. Power Electronics and Variable Frequency Drives. 1st ed. NJ, USA: Wiley John & Sons; 1996. p. 660. ISBN: 978-0-780-31084-1
3. Krishnan R. Electric Motor Drives Modeling, Analysis, and Control. NJ, USA: Prentice Hall; 2011. p. 652. ISBN: 9780130910147
4. Bose BK. Modern Power Electronics and AC Drives. NJ, USA: Prentice Hall; 2002. p. 738. ISBN: 9780130167436
5. Pillay P, Krishnan R. Modeling of permanent magnet motor drives. IEEE Transactions on Industrial Electronics. 1988;354:537-541. DOI: 0278-0046/88/1100-0537