Generator for internal combustion engine

H - Electricity – 02 – J

Patent

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Details

H02J 7/16 (2006.01) F02D 29/06 (2006.01) H02K 19/26 (2006.01) H02P 9/30 (2006.01) H02P 9/48 (2006.01)

Patent

CA 2248619

A generator for an internal combustion engine which employs an induction motor as an alternator and enables generation of specified power regardless of the number of rotations of the internal combustion engine. The generated energy P of an alternator (1) is limited to a value not more than an upper limit value Pmax (Figure 5) and not less than a lower limit value Pmin (Figure 6) or to a target value Pc (Figure 7), regardless of the mechanical rotational speed N1 of a rotor 1R. Such control of the generated energy is realized by controlling the speed N2 of a rotating magnetic field electrically generated on a three- phase winding of the rotor 1R in response to the mechanical rotational speed N1 of the rotor 1R, so that the relative speed N of the rotating magnetic field generated by the rotor with respect to a stator coil is maintained at a speed not higher than an upper limit speed Nmax and not lower than a lower limit speed Nmin or at a target relative speed Nc.

Générateur pour moteur à combustion interne utilisant un moteur à induction comme alternateur et permettant la fourniture d'une puissance spécifiée, indépendamment du nombre de rotations du moteur à combustion interne. L'énergie P fournie par un alternateur (1) a un seuil maximum limite Pmax [figure 5] et un seuil minimum limite Pmin [figure 6] ou bien est limitée à une valeur cible Pc [figure 7], indépendamment de la vitesse de rotation mécanique N1 d'un rotor (1R). Ce contrôle de l'énergie fournie est obtenu par contrôle de la vitesse N2 d'un champ magnétique tournant engendré électriquement sur un enroulement à trois phases du rotor (1R), en réaction à une vitesse de rotation mécanique N1 du rotor (1R), de sorte que la vitesse relative N du champ magnétique tournant engendré par le rotor, par rapport à un enroulement d'induit, se maintienne à un niveau non supérieur à un seuil maximum limite Nmax et non inférieur à un seuil minimum limite Nmin ou bien soit limitée à un niveau cible relatif Nc.

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