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A quick dynamic torque control for direct torque control hysterisis-based induction machines

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3 Author(s)
Jidin, A. ; Dept. of Energy Conversion, Univ. Teknol. Malaysia, Skudai ; Idris, N.R.N. ; Yatim, A.H.M.

This paper presents a simple dynamic over modulation method to obtain a quick dynamic torque response in DTC hysteresis-based system. The fastest dynamic torque response is achieved through the proposed dynamic over modulation method by applying only single appropriate voltage vector that produces the largest tangential flux component during transient condition. In this way, the flux error status produced from the flux hysteresis comparator is modified before it is being fed into the look-up table in order to perform the dynamic over modulation mode. The effectiveness of the proposed dynamic over modulation to obtain the fastest torque response is described with some simulation results given.

Published in:

Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International

Date of Conference:

1-3 Dec. 2008