A Review of Various Converter Topologies for SRM Drives

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A Review of Various Converter Topologies for SRM Drives

Lukose, George Shelly / Vijayakumar, M / Paramasivam, S

The switched reluctance motor (SRM) driver is receiving increasing attention from various researchers as well as industry as a viable for adjustable speed and servo applications. Combining the unique features of an SRM with simple and efficient power converter that in use, a superior motor drive system emerges which may be preferable for many applications compared to other AC or DC motor driver systems. Although a number of converters have emerged over the years for SRM drives, but every single driver has its own advantages and drawbacks and there has always been a trade-off between gaining something of the advantages and losing some when a new driver is offered. This paper presents a review of various research about SRM driver converters, for power quality and torque improvement, in last 20 years, in the area of modeling, simulation, static, dynamic analysis, different control schemes like power factor correction, quasi resonant switching, various demagnetization techniques for field current etc.INDEX TERMS-Switched reluctance motor, power factor correction, quasi resonant switching, zero voltage switching, static analysis, dynamic analysis, mmf (magneto motive force), CCM (continuous conduction mode), DC (discontinuous conduction).