Device for controlling a synchronous electric motor with a perma

Details Device for controlling a synchronous electric motor with a perma Device for controlling a synchronous electric motor with a perma

1998-06-08

2000-09-05

Ro, Bentsu

Electricity: motive power systems

Synchronous motor systems

Field winding circuits

318721, 318718, 318719, 318799, 318265, 318282, H02P 528

Patent

active

06114827&

ABSTRACT:
A device for controlling a synchronous electric motor with a permanent magnet rotor. The device comprises a stator including a winding disposed around a stack of laminations and with which is associated a permanent magnet rotor. Controlled conductor devices are connected to the stator winding and to an AC source. One or more position sensors determine the application to the control inputs of the said controlled conductor devices of electrical control signals having to states which vary as a function of the angular position of the rotor. The arrangement is such that the current is caused to flow in the stator winding in a direction which depends only on the polarity of the voltage of the source and the instantaneous position of the rotor.

REFERENCES:
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patent: 4251758 (1981-02-01), Pedersen et al.
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patent: 4769581 (1988-09-01), Rilly
patent: 5142214 (1992-08-01), Purson et al.
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patent: 5434491 (1995-07-01), Marioni
Der Geber als Systembaustein, von Dieter Rechinger, 8034 ETZ Elcktrotechnische Zeitschrift 117 1996 Feb., No. 3, Berlin, DE.

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