PI Controlled Active Front End Super-Lift Converter with Ripple Free DC Link for Three Phase Induction Motor Drives

Elangovan P.; Nalin Kant Mohanty

PI Controlled Active Front End Super-Lift Converter with Ripple Free DC Link for Three Phase Induction Motor Drives

Elangovan P.

Nalin Kant Mohanty

Vol. 16, No. 1, pp. 190-204, Jan. 2016

10.6113/JPE.2016.16.1.190

Active front end

DC-link fluctuations

Induction motor drives

PI controller

Total harmonic distortion

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Abstract

An active front end (AFE) is required for a three-phase induction motor (IM) fed by a voltage source inverter (VSI), because of the increasing need to derive quality current from the utility end without sacrificing the power factor (PF). This study investigates a proportional-plus-integral (PI) controller based AFE topology that uses a super-lift converter (SLC). The significance of the proposed SLC, which converts rectified AC supply to geometrically proceed ripple-free DC supply, is explained. Variations in several power quality parameters in the intended IM drive for 0% and 100% loading conditions are demonstrated. A simulation is conducted by using MATLAB/Simulink software, and a prototype is built with a field programmable gate array (FPGA) Spartan-6 processor. Simulation results are correlated with the experimental results obtained from a 0.5 HP IM drive prototype with speed feedback and a voltage/frequency (V/f) control strategy. The proposed AFE topology using SLC is suitable for three-phase IM drives, considering the supply end PF, the DC-link voltage and current, the total harmonic distortion (THD) in supply current, and the speed response of IM.

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Cite this article

[IEEE Style]

E. P. and N. K. Mohanty, "PI Controlled Active Front End Super-Lift Converter with Ripple Free DC Link for Three Phase Induction Motor Drives," Journal of Power Electronics, vol. 16, no. 1, pp. 190-204, 2016. DOI: 10.6113/JPE.2016.16.1.190.

[ACM Style]

Elangovan P. and Nalin Kant Mohanty. 2016. PI Controlled Active Front End Super-Lift Converter with Ripple Free DC Link for Three Phase Induction Motor Drives. Journal of Power Electronics, 16, 1, (2016), 190-204. DOI: 10.6113/JPE.2016.16.1.190.