1. Recent advances in power electronics
2. Vas, P.: ‘Sensorless vector and direct torque control’, (Oxford University Press 1998)
3. Power quality and line considerations for variable speed AC drives
4. IEEE standard 519:1992: ‘IEEE Guide for harmonic control and reactive compensation of static power converters’ (IEEE, New York, 1992)
5. IEC 61000-3-2 : 2004: ‘Limits for harmonic current emissions’ (International Electrotechnical Commission, Geneva, 2004)