Electricity: single generator systems – Combined control of generating means and load circuit – Including load circuit-making and breaking
Patent
1991-08-05
1992-11-17
Beha, Jr., William H.
Electricity: single generator systems
Combined control of generating means and load circuit
Including load circuit-making and breaking
322 90, 320 15, 307 16, H02J 714
Patent
active
051646552
ABSTRACT:
A dual state power system utilizing power drivers to switch an alternator from 12 volt to 24 volt charging. A 12-24 volt alternator regulator charges a 12 volt battery or a 24 volt battery depending on the position of a mode switch. The invention allows the use of one alternator/engine combination to charge either a 12 volt or 24 volt system. The invention uses a 12 volt mode priority to override a 24 volt charging mode. The 24 volt charging mode is interrupted to provide voltage to a 12 volt battery for a predetermined time period. A voltage controller drives a smart electrical current driver which controls the output of an alternator. A reset circuit determines from system parameters reported from system components whether the charging system to a reset error circuit whether or not the alternator is operating correctly. A sense lamp driver indicates to the user that the system is in a non functioning state. A 12 volt mode lock-out and 24 volt mode lock-out isolates the 12 volt or 24 volt modes where appropriate. An open circuit sensor drives a reset circuit that prevents an open circuit from damaging the system. The reset shuts off alternator fields for many conditions including a fault in the alternator or the two power drivers or an open circuit.
REFERENCES:
patent: 2913587 (1959-11-01), Gebhard
patent: 4041363 (1977-08-01), Scheidler
patent: 4044293 (1977-08-01), Follmer
patent: 4047088 (1977-09-01), Himmler
patent: 4816736 (1989-03-01), Dougherty et al.
patent: 4849682 (1989-07-01), Bauer et al.
Siemen's Data Book of the PROFET, pp. 126-143.
Power Inverter Application Note, by Frederick D. Heavey, Dimensions Unlimited, Inc. Publication.
Dimensions Unlimited, Inc. advertising brochure.
Beha Jr. William H.
Berhane Adolf
Dimensions Unlimited, Inc.
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