Improvement of Power Quality in vs.I Drives
Abstract
The popular VSI (Voltage source inverters) drives in use today are mostly PWM (pulse width modulated) drives. Harmonics produced by these drives cause heat losses, reduce the efficiency of the machine and also cause vibrations in the rotor. Active and passive filters are some of the methods to reduce the harmonics generated by these drives. A novel method is discussed which not only eliminates the 5th harmonic but also any other negative sequence harmonics. This method, based on a reactor circuit, shows a reduction in harmonics and an improvement in the efficiency of the machine. The method can also reduce negative sequence harmonics produced by other non-linear devices. The VSI drive with and without the reactor circuit is modeled in ACSL (Advanced Continuous Simulation Language). Simulation results are provided.
Recommended Citation
R. Bantu and B. H. Chowdhury, "Improvement of Power Quality in vs.I Drives," Proceedings of the IEEE Power Engineering Society Transmission and Distribution Conference, vol. 2, pp. 947 - 951, Institute of Electrical and Electronics Engineers, Jan 2002.
Department(s)
Electrical and Computer Engineering
Keywords and Phrases
Adjustable speed drives; Harmonic distortion; Pulse-width modulation; Reactor circuit; Simulation and modeling; Voltage source inverter
Document Type
Article - Conference proceedings
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 Institute of Electrical and Electronics Engineers, All rights reserved.
Publication Date
01 Jan 2002
