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

被引:47
|
作者
Pramanick, Sumit [1 ]
Azeez, Najath Abdul [2 ]
Kaarthik, R. Sudharshan [1 ]
Gopakumar, K. [1 ]
Cecati, Carlo [3 ]
机构
[1] Indian Inst Sci, Dept Elect Syst Engn, Ctr Elect Design & Technol, Bangalore 560012, Karnataka, India
[2] Univ Ontario, Inst Technol, Oshawa, ON L1H 7K4, Canada
[3] Univ Aquila, Dept Informat Engn Comp Sci & Math, I-67010 Laquila, Italy
关键词
AC drives; dc-link; dodecagonal; harmonics; induction motors (IMs); pulsewidth modulation (PWM); space vector; MULTILEVEL INVERTER; INDUCTION MACHINE; PWM CONTROL; ELIMINATION; DRIVE; SCHEME;
D O I
10.1109/TIE.2015.2408562
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
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.
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页码:5340 / 5347
页数:8
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