Alternating current generator for a car

摘要

PCT No. PCT/JP83/00176 Sec. 371 Date Jan. 27, 1984 Sec. 102(e) Date Jan. 27, 1984 PCT Filed Jun. 1, 1983.Excitation of a field coil 2 is carried out by a separated power source 9 placed independent of a battery 8 to increase the output of a generator. A solar battery 10, a piezoelectric element 13 or a thermoelectric converting element 19 is used as the separately exciting means so that the output of the generator is increased for an exciting current effected by the separately exciting means.