Electricity: single generator systems – Automatic control of generator or driving means – Speed or frequency of generator
Patent
1976-05-20
1977-05-17
Hickey, Robert J.
Electricity: single generator systems
Automatic control of generator or driving means
Speed or frequency of generator
322 90, H02P 900
Patent
active
040244563
ABSTRACT:
A first and a second full-wave rectifying network are respectively connected with both ends of phase coils of a current generator for respectively generating alternating current thereat. A first and a second additional diode are respectively connected between both positive and negative direct current terminals of the first and second full-wave rectifying network. A switching device has normally closed contacts connected across the positive and negative terminals of the second full-wave rectifying network, whereby the phase coils act as a star-connected current generating winding so long as the contacts are held closed. The switching device also has an energizing coil for actuating the normally-closed contacts to open by the electromotive force thereof when the rotational speed of the generator exceeds a predetermined value. When the normally-closed contacts are opened, the phase coils no longer act as the star-connected winding but as independently generating windings, to thereby increasing the output current from the generator even when the generator operates at a relatively high rotational speed.
REFERENCES:
patent: 3508138 (1970-04-01), Schatz
patent: 3689826 (1972-09-01), Cherry
patent: 3694731 (1972-09-01), Cherry
patent: 3932765 (1976-01-01), Townsend
Mori Kazumasa
Sato Suguru
Hickey Robert J.
Nippondenso Co. Ltd.
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