Continuous and Discontinuous PWM Methods for Symmetrical Six-Phase Induction Motor with Single Isolated Neutral

Among different types of six-phase machines, extensive works have been done on pulse-width modulation (PWM) methods for asymmetrical six-phase machine and symmetrical six-phase machine with 2-isolated neutral connection. However, very limited work has been done on PWM technique for symmetrical six-p...

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Bibliographic Details
Published in:Arabian journal for science and engineering (2011) 2020-03, Vol.45 (3), p.1885-1895
Main Authors: Shihab, Baten Md, Tousizadeh, Mahdi, Che, Hang Seng
Format: Article
Language:English
Subjects:
Engineering
Humanities and Social Sciences
Induction motors
multidisciplinary
Pulse duration modulation
Research Article - Electrical Engineering
Science
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Summary:Among different types of six-phase machines, extensive works have been done on pulse-width modulation (PWM) methods for asymmetrical six-phase machine and symmetrical six-phase machine with 2-isolated neutral connection. However, very limited work has been done on PWM technique for symmetrical six-phase machine with single isolated neutral, i.e. S6-1N though it has higher degree of freedom in post-fault operation. For S6-1N, the presence of zero-sequence plane complicates design of PWM methods. In this paper, the implementations of different PWM schemes for S6-1N machine are discussed. It is shown that zero-sequence injection method can be easily extended for S6-1N machine to yield discontinuous PWM. Using simulation and experiment, the implementation and comparison of continuous and discontinuous PWM methods for S6-1N are demonstrated.
ISSN:2193-567X
1319-8025
2191-4281
DOI:10.1007/s13369-019-04267-x