Adaptive Intelligent Combined Vector Control scheme for Sensorless Induction Drive

AUTHOR(S):

TITLE

Adaptive Intelligent Combined Vector Control scheme for Sensorless Induction Drive

ABSTRACT

Speed sensorless vector control is the current trend in variable speed industrial AC drives due to its substantial energy efficiency and robustness. The existing Flux Oriented and/or Direct Torque Vector Control of Induction Motor need improvement in dynamic performance interms of ripple free torque and smooth flux operation. In this project a new scheme combining both flux and torque control is developed effectively and its performance during starting, steady state operation and dynamic load changing conditions is analysed by dynamic modeling of a typical three phase three level Voltage source inverter fed induction motor drive with an improved Flux-Torque-speed observer for Feedback in software simulation. The real time implementation of this new technique using DSPIC30F4011 Digital Signal Controller has been proved to be the smart alternative with performance enhancement while maintaining robustness and simplicity.

KEYWORDS

Vector Control, Feedback Observer, VSI fed IM, Speed Sensorless drive, Space Vector Modulation (SVM).

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Cite this paper

Umamaheswari Rengasamy. (2017) Adaptive Intelligent Combined Vector Control scheme for Sensorless Induction Drive. International Journal of Power Systems, 2, 57-64