Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1984-09-07
1986-07-08
Hickey, R. J.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
320 64, 322 60, 322 73, H02J 714
Patent
active
045995524
ABSTRACT:
A voltage regulator circuit for a three phase AC generator includes an integrator circuit which integrates the voltage across each negative half cycle of generator output and compares it to a reference voltage to adjust the phase angle of an SCR circuit which provides the power to the exciter field of the generator. A bypass circuit is provided for bypassing the regulating circuit at low generator speeds, the bypass circuit including a FET which directly connects the anode and gate of the SCR in the exciter field power supply to directly apply the generator output voltage to the exciter field at low generator speeds and output voltage. A pair of transistors are latched as the output voltage reaches a preselected minimum value to de-energize the FET and enable the regulator circuit to take over control.
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Century Electric Co.--Regulator with Series Boost and Manual Control, 09/08/75, Drawing Number 404752.
Century Electric Co.--Schematic/Wiring Diagram PMG Excitation with Test Points, 01/11/78, Drawing Number 405128.
Century Electric Co.--Schematic/Wiring Diagram ARCB Generator, 10/30/70, Drawing Number 403979.
Century Electric Co.--Wiring Diagram, 10/07/69, Drawing Number 403916.
Nguyen Vietson M.
Phillips Graham R.
Century Electric, Inc.
Hickey R. J.
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