H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 27/06 (2006.01) B60L 15/20 (2006.01) G01R 31/34 (2006.01) H02M 1/08 (2006.01) H02M 7/5387 (2007.01)
Patent
CA 2744634
The invention relates to an electric device (1) comprising an alternating current electric motor (3) and a control inverter (5) for controlling the phase or phases of the motor (3). The motor (3) comprises, on at least one winding of at least one phase (PA, PB, PC), a point (Ma, Mb, Mc) for measuring a voltage relative to a predefined potential (M), the measurement point (Ma, Mb, Mc) being chosen so that it divides the winding into a first (Za1; Zb1)* Zc1) and a second (Za2; Zb2; Zc2) portion such that the electromotive forces (e a1, e a2) induced in the two portions are phase-shifted relative to one another and means (11A; 11B; 11C) for measuring the voltage between the measurement point and the predefined potential. The invention also relates to an associated method for measuring electromotive forces.
Bouchez Boris
de Sousa Luis
Robic
Valeo Systemes de Controle Moteur
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