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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.3 No.2
- 발행연도
- 2008.6
- 수록면
- 224 - 234 (11page)
이용수
초록· 키워드
오류제보하기
Multi-phase machines can be used in variable speed drives. Their applications include electric ship propulsion, 'more-electric aircraft' and traction applications, electric vehicles, and hybrid electric vehicles. Multi-phase machines enable independent control of a few numbers of machines that are connected in series in a particular manner with their supply being fed from a single voltage source inverter (VSI). The idea was first implemented for a five-phase series-connected two-motor drive system, but is now applicable to any number of phases more than or equal to five-phase. The number of series-connected machines is a function of the phase number of VSI. Theoretical and simulation studies have already been reported for number of multi-phase multi-motor drive configurations of series-connection type. Variable speed induction motor drives without mechanical speed sensors at the motor shaft have the attractions of low cost and high reliability. To replace the sensor, information concerning the rotor speed is extracted from measured stator currents and voltages at motor terminals. Open-loop estimators or closed-loop observers are used for this purpose. They differ with respect to accuracy, robustness, and sensitivity against model parameter variations. This paper analyses operation of an MRAS estimator based sensorless control of a vector controlled series-connected two-motor five￢phase drive system with current control in the stationary reference frame. Results, obtained with fixed￢voltage, fixed-frequency supply, and hysteresis current control are presented for various operating conditions on the basis of simulation results. The purpose of this paper is to report the first ever simulation results on a sensorless control of a five-phase two-motor series-connected drive system. The operating principle is given followed by a description of the sensorless technique.
목차
Abstract
1. Introduction
2. Five-phase Two-motor Drive System
3. Modelling of the Series-connected Five-phase Two-motor Drive
4. Sensorless Operation of Series-connected Two five-phase Induction Machines
5. MRAS Speed Estimator
6. Simulation Results
7. Discussion
8. Conclusion
Acknowledgements
References
참고문헌 (21)
참고문헌 신청
1. [학술지(정기간행물)] - S. Williamson / 2003 / Pulsating torques and losses in multiphase induction machines / IEEE Trans. on Industry Applications 39 (4) : 986 ~ 993
2. [학술지(정기간행물)] - S. Green / 2003 / Sensorless operation of a fault tolerant PM drive / IEE Proc. . Electr. Power Appl 150 (2) : 117 ~ 125
3. [학술지(정기간행물)] - J. B. Wang / 2003 / Optimal torque control of fault-tolerant permanent magnet brushless machines / IEEE Trans. on Magnetics 39 (5) : 2962 ~ 2964
4. [학술지(정기간행물)] - S. Gataric / 2000 / A polyphase Cartesian vector approach to control of polyphase AC machines / Proc. IEEE Ind. Appl. Soc. Annual Meeting IAS (38-02)
5. [학술지(정기간행물)] - E. Levi / 2003 / Even-phase multi-motor vector controlled drive with single inverter supply and series connection of stator windings / IEE Proc. - Electric Power Applications 150 (5) : 580 ~ 590
2. [학술지(정기간행물)] - S. Green / 2003 / Sensorless operation of a fault tolerant PM drive / IEE Proc. . Electr. Power Appl 150 (2) : 117 ~ 125
3. [학술지(정기간행물)] - J. B. Wang / 2003 / Optimal torque control of fault-tolerant permanent magnet brushless machines / IEEE Trans. on Magnetics 39 (5) : 2962 ~ 2964
4. [학술지(정기간행물)] - S. Gataric / 2000 / A polyphase Cartesian vector approach to control of polyphase AC machines / Proc. IEEE Ind. Appl. Soc. Annual Meeting IAS (38-02)
5. [학술지(정기간행물)] - E. Levi / 2003 / Even-phase multi-motor vector controlled drive with single inverter supply and series connection of stator windings / IEE Proc. - Electric Power Applications 150 (5) : 580 ~ 590
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