A carrier-based unbalanced PWM method for four-leg voltage source inverter fed asymmetrical two-phase induction motor
This paper presents a carrier-based unbalanced PWM method for two-phase four-leg voltage source inverter and its realization for asymmetrical two-phase induction motor. A modulation strategy is developed to synthesize unbalanced two-phase output voltage waveforms based on the unipolar modulation tec...
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| Main Authors: | , , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-77956537746&partnerID=40&md5=6019ed21420cb6b4ac7922a0805b52c4 http://cmuir.cmu.ac.th/handle/6653943832/1489 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | This paper presents a carrier-based unbalanced PWM method for two-phase four-leg voltage source inverter and its realization for asymmetrical two-phase induction motor. A modulation strategy is developed to synthesize unbalanced two-phase output voltage waveforms based on the unipolar modulation technique with open-loop V/f control. The proposed control scheme allows independent magnitude controllability and quadrature phase angle for unbalanced two-phase output voltages. Thus, the modulation algorithm makes the four-leg voltage source inverter inequitable with unbalanced two-phase loads. Simulation and experimental results confirm the feasibility of the control method for the inverter. © 2010 IEEE. |
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