Mono inverter dual parallel PMSM - structure and control strategy

This paper presents a dual parallel connected PMSM fed by a single power inverter. Both motors have to respect the synchronism even if they have different load torque. The rotor position of the two motors i.e. the load applied on each motor are consequently permanently compared. The motor with the h...

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Bibliographic Details
Main Authors: Bidart, D., Pietrzak-David, M., Maussion, P., Fadel, M.
Format: Conference Proceeding
Language:English
Subjects:
Brushless DC motors
Circuit simulation
DC motors
Inductance
Inverters
MONOS devices
Stators
Synchronous motors
Torque
Voltage
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Summary:This paper presents a dual parallel connected PMSM fed by a single power inverter. Both motors have to respect the synchronism even if they have different load torque. The rotor position of the two motors i.e. the load applied on each motor are consequently permanently compared. The motor with the highest load is set as the master one and is auto-piloted. The other one which has the same applied voltage has the same electric pulsation and so the same speed rotation. The change of the master choice is done whereas the load applied on the machine is changing so that oscillations appear during this change. The steady state is however rapidly attained and the synchronism stays always observed.
ISSN:1553-572X
DOI:10.1109/IECON.2008.4757964