A Low-Order Harmonic Elimination Scheme for Induction Motor Drives Using a Multilevel Octadecagonal Space Vector Structure With a Single DC Source

Boby, Mathews and Rahul, Arun S and Gopakumar, K and Umanand, L and Blaabjerg, Frede and Bhattacharya, Subhashish (2017) A Low-Order Harmonic Elimination Scheme for Induction Motor Drives Using a Multilevel Octadecagonal Space Vector Structure With a Single DC Source. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 33 (3). pp. 2430-2437.

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Abstract

Conventional voltage-source inverters used for induction motor drives generate a hexagonal space vector structure. In the over modulation range, the hexagonal space vector structure generates low-order harmonics in the phase voltage resulting in low-order torque ripple in the motor. Inverter topologies with an octadecagonal (18 sided) space vector structure eliminate fifth-, seventh-, eleventh-, and thirteenth-order harmonics from the phase voltage, and hence, the dominant sixth-and twelfth-order torque ripple generation is eliminated. Octadecagonal space vector structures proposed in the past require multiple dc sources, which makes four-quadrant operation of the drive system difficult and costly. In this paper, the formation of a multilevel nine-concentric octadecagonal space vector structure using a single dc source is proposed. Detailed experimental results, using open-loop V/f control and rotor field-oriented control, are presented to validate the effectiveness of the proposed drive scheme.

Item Type:	Journal Article
Publication:	IEEE TRANSACTIONS ON POWER ELECTRONICS
Additional Information:	Copy right for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
Department/Centre:	Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited:	13 Jan 2018 07:43
Last Modified:	13 Jan 2018 07:43
URI:	http://eprints.iisc.ac.in/id/eprint/58563

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