GENERATOR FOR INTERNAL COMBUSTION ENGINE

摘要

A generator for an internal combustion engine which employs a induction motor as an alternator and enables generation of specified power regardless of the number of rotation of the internal combustion engine. The generated energy P of an alternator (1) is limited to a value not more than a 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 rotation 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. <IMAGE>