Motor system for an electric type vehicle

Details Motor system for an electric type vehicle Motor system for an electric type vehicle

B - Operations, Transporting

60

K

B60K 1/02 (2006.01) B60L 11/08 (2006.01) B60L 11/18 (2006.01) B60L 15/00 (2006.01)

Patent

CA 2098884

ABSTRACT The invention concerns a motor system of an electric type vehicle, comprising at least two asynchronous electric motors (M1, M2) supplied in parallel by a central electric supply (2). This central electric supply is controlled by a control device (6) supplying thereto a first control signal (SCF) determining the value of the supply frequency (FAL) and a second control signal (SCA) determining the value of the supply amplitude (UAL) of the supply voltage. These first and second control signals are regulated essentially in dependence upon a signal (SMI) which is a measurement of the principal supply current (IAL), an instruction signal (SCS) and a signal (SFMX) representing the maximum value of the rotational frequency of the rotors (R2, R2) of said motors. Figure 1

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