Low-Order Harmonic Suppression for Open-End Winding IM With Dodecagonal Space Vector Using a Single DC-Link Supply

This paper proposes a technique to suppress low-order harmonics for an open-end winding induction motor drive for a full modulation range. One side of the machine is connected to a main inverter with a dc power supply, whereas the other inverter is connected to a capacitor from the other side. Harmo...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2015-09, Vol.62 (9), p.5340-5347
Main Authors: Pramanick, Sumit, Azeez, Najath Abdul, Sudharshan Kaarthik, R., Gopakumar, K., Cecati, Carlo
Format: Article
Language:English
Subjects:
AC drives
Capacitors
DC-link
dodecagonal
Harmonic analysis
Harmonics
Induction motors
Inverters
Mathematical analysis
Modulation
Pulse duration modulation
Pulse width modulation
space vector
Switches
Vectors
Vectors (mathematics)
Winding
Windings
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Description
Summary:This paper proposes a technique to suppress low-order harmonics for an open-end winding induction motor drive for a full modulation range. One side of the machine is connected to a main inverter with a dc power supply, whereas the other inverter is connected to a capacitor from the other side. Harmonic suppression (with complete elimination of fifth- and seventh-order harmonics) is achieved by realizing dodecagonal space vectors using a combined pulsewidth modulation (PWM) control for the two inverters. The floating capacitor voltage is inherently controlled during the PWM operation. The proposed PWM technique is shown to be valid for the entire modulation range, including overmodulation and six-step mode of operation of the main inverter. Experimental results have been presented to validate the proposed technique.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2015.2408562