Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 32, Issue 3, Pages 2052-2063Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2016.2559498
Keywords
dSPACE; dual three-phase motor drive; fault tolerance; open phase; permanent-magnet synchronous machine (PMSM)
Categories
Funding
- 973 Program of China [2013CB035603]
- China Postdoctoral Science Foundation [2015M581697]
- Jiangsu Planned Projects for Postdoctoral Research Funds of China [1501043B]
- Fundamental Research Funds for the Central Universities [2242015K40031]
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In this paper, a fault-tolerant control is proposed for dual three-phase permanent-magnet synchronous machine (PMSM) drives under open-phase faults. The object of the proposed fault-tolerant control is to maximize the torque capacity while the overcurrent protection is taken into account. Hence, the proposed fault-tolerant control is named as torque mode in this paper. Another existed fault-tolerant control for dual three-phase PMSM drives under open-phase faults is loss mode, in which the system copper loss is minimized. Torque mode is compared with loss mode, and two important conclusions are given: 1) loss mode can reduce more copper loss; and 2) torque mode can output more torque. The performances of torque mode and loss mode are verified by experimental results.
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