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An improved scheme for extended power loss ride-through in a voltage source inverter fed vector controlled induction motor drive using a loss minimisation technique
, J. Teja, K. Hatua, K. Vasudevan
Published in Institute of Electrical and Electronics Engineers Inc.
2014
Abstract
Critical production processes in industry require the drives to smoothly ride-through during momentary power interruptions. This paper presents a method to extend the duration of the ride-through for VSI-fed vector controlled induction motor drives with a front end diode bridge rectifier. The proposed method minimises the losses in the system during the ride-through thereby enabling a longer ride-through duration. It requires only modification of the control software and hence is easy to implement. Hardware implementation of the method on a 30 kW induction machine indicates an extension of upto 34 % in the ride-through time by minimising the losses. © 2014 IEEE.