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All figures (11)
Fig. 4. Torques (FEA) obtained for the best 3-phase machine (sinus current) and the final 5-phase machine (h1h3-boost current)
Fig. 5. No load back-emf waveform and spectrum at one rad/s mechanical speed for the 20-8-5 machine (FEA estimation)
Fig. 6. No-load back-emf Park components (at 1 rad/s mechanical speed, FEA)
Fig. 8. 3-phase and 5-phase machine torques according to the simulation of the drive at the rated point
Fig. 7. FEA torque estimations for 20-8-5 machines with the three evaluated controls (h1, h3 and h1h3-boost)
Fig. 9. d1q1-axis d3q3 currents for the 5-phase at the rated point
Fig. 10. 3-phase and 5-phase machine rotating speeds according to the simulation of the drive
Fig. 1. Machine electromagnetic circuit (for τm = 1/3)
TABLE I PARAMETERS FOR THE 5-PHASE MACHINE
Fig. 2. Magnet arc τm for which boost control reduces the pulsating torques (referring to sinus control)
Fig. 3. Magnet pole arc choice with regard to ripple torque
Proceedings Article
•
DOI
•
A bi-harmonic five-phase SPM machine with low ripple torque for marine propulsion
[...]
Franck Scuiller
1
,
Hussein Zahr
2
,
Eric Semail
2
•
Institutions (2)
Naval Academy Research Institute
1
,
École Normale Supérieure
2
01 May 2017
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