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A chopper-controlled SRM drive for reduced acoustic noise and improved ride-through capability using supercapacitors

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4 Author(s)
Pillay, P. ; Dept. of Electr. Eng., New Orleans Univ., LA, USA ; Samudio, R.M. ; Ahmed, M. ; Patel, R.T.

One of the problems with the SRM is its higher acoustic noise when compared to an induction motor of the same size. Another problem of increasing concern for all electric drives is the ability to ride-through dips or short duration power outages of several cycles. In this paper, a chopper controlled SRM drive is presented with the aim of reducing the acoustic noise as well as improving its ride-through capability. Supercapacitors are used in the power supplies of the driver and logic circuits to increase their duration of operation in the absence of mains power. Practical measurements of the reduced noise as well as the improved ride-through capability are included

Published in:

Industry Applications, IEEE Transactions on  (Volume:31 ,  Issue: 5 )