Advanced 24-Sector Bus-Clamping PWM Techniques for Dual Inverter-fed Split-Phase Induction Motor Drives

Gopi, L and Narayanan, G (2022) Advanced 24-Sector Bus-Clamping PWM Techniques for Dual Inverter-fed Split-Phase Induction Motor Drives. In: IEEE International Conference on "Power Electronics, Smart Grid, and Renewable Energy", PESGRE 2022, 2 -5 January 2022, Virtual, Trivandrum.

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Abstract

Advantages of a split-phase induction motor (SPIM) such as reduced torque pulsations, lower voltage rated power converters, higher torque per ampere and increased reliability make it suitable for high-power variable speed drives. Two advanced bus-clamping pulse width modulation (ABCPWM) techniques are proposed in this paper for SPIM drives to enhance their performance further. These techniques employ special switching sequences which apply the null vector once and one of the active vectors twice in each sub-cycle. Simulations and experiments on an 8hp, 200V, 50Hz SPIM drive show that the total harmonic distortion (THD) of stator current is reduced significantly at high speeds by the proposed PWM techniques at the same average switching frequency. In particular, one of the proposed techniques improves the no-load stator current THD by 37 at rated frequency, compared to a state-of-the-art space vector based PWM (SVPWM) technique. © 2022 IEEE

Item Type:	Conference Proceedings
Publication:	PESGRE 2022 - IEEE International Conference on "Power Electronics, Smart Grid, and Renewable Energy"
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords:	Electric drives; Electric inverters; Harmonic distortion; Induction motors; Stators; Variable speed drives; Vector spaces; Vectors; Voltage control; Wave filters, Advanced bus-clamping pulse width modulation; Inductions motors; Modulation techniques; Motor drive; Pulse width modulation; Pulsewidth modulations (PWM); Split phase induction motors; Total harmonic distortion; Total harmonic distortions, Pulse width modulation
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	19 May 2022 06:33
Last Modified:	19 May 2022 06:33
URI:	https://eprints.iisc.ac.in/id/eprint/71873

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