Abstract
This paper studies the double open-switch fault issue occurring within the conventional matrix converter driving a three-phase permanent-magnet synchronous motor system and proposes a fault-tolerant solution by introducing a revised modulation strategy. In this switching strategy, the rectifier-stage modulation is adjusted based on the knowledge of the switching logics of the inverter-stage and the operating input voltage sectors. However, the proposed fault-tolerant method does not rely on the assist of any redundant power devices or any reconfiguration of the matrix converter circuit by means of using redundant physical connections. It is shown that different locations of the double open switch affect the availability of the revised modulation. The steady state absolute speed error achieved with the proposed method is 4% of the nominal speed. Experimental results are performed to demonstrate the efficacy of the proposed methods.
Original language | English |
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Title of host publication | Proceedings of 10th International Power and Energy Conference |
Publisher | IEEE |
Publication date | 2012 |
Pages | 65 - 70 |
Publication status | Published - 2012 |
Event | The 10th International Power and Energy Conference (IPEC 2012) - Ho Chi Minh City, Viet Nam Duration: 12 Dec 2012 → 14 Dec 2012 |
Conference
Conference | The 10th International Power and Energy Conference (IPEC 2012) |
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Country/Territory | Viet Nam |
City | Ho Chi Minh City |
Period | 12/12/2012 → 14/12/2012 |
Keywords
- Fault tolerant
- Matrix converter
- Multiple fault
- Open-switch fault
- Pulse width modulation
- Motor drives
- Multi-failure
- PMSM