Three-Dimensional Space-Vector Modulation to Reduce Common-Mode Voltage for Multilevel Inverter

In this paper, an approach to reduce common-mode voltage (CMV) at the output of multilevel inverter using 3-D space-vector modulation (SVM) is proposed. The 3-D SVM is superset of the traditional 2-D SVM, and thus, it inherits all the merits of traditional 2-D. A simple technique for the selection o...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2010-07, Vol.57 (7), p.2324-2331
Main Authors: Renge, Mohan M, Suryawanshi, Hiralal M
Format: Article
Language:English
Subjects:
Common-mode voltage (CMV)
Computational efficiency
Electric potential
Filters
Induction motors
Inverters
Modulation
Multilevel
multilevel inverter
On-line systems
Pulse width modulation inverters
pulsewidth modulation (PWM)
Rotors
Semiconductor diodes
Shafts
Space vector pulse width modulation
space-vector modulation (SVM)
Support vector machines
Voltage
Voltage control
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Summary:In this paper, an approach to reduce common-mode voltage (CMV) at the output of multilevel inverter using 3-D space-vector modulation (SVM) is proposed. The 3-D SVM is superset of the traditional 2-D SVM, and thus, it inherits all the merits of traditional 2-D. A simple technique for the selection of switching states to constitute the reference vector is proposed here. The computational cost of the proposed technique is independent of voltage levels of inverter. This technique is easy to implement online in digital controller. The tradeoff between quality of output voltage and CMV is achieved in this paper. This paper realizes the implementation of 3-D SVM to reduce the CMV using a five-level diode-clamped inverter for a three-phase induction motor. Experimental and simulation results demonstrate the feasibility of the proposed technique.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2009.2027247