Over-voltage protected, self-contained mobile electrical network

Details Over-voltage protected, self-contained mobile electrical network Over-voltage protected, self-contained mobile electrical network

1979-01-26

1981-07-21

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 55, 361 56, 361 91, 361104, H02H 320

Patent

active

042801613

ABSTRACT:
To protect the battery in an automotive electrical system against over-charging upon failure of the voltage regulator to control current flow through the field of an automotive alternator, the field current is conducted through an interruptable network element, for example a fuse or a relay controlled switch. A voltage sensing network, for example a Zener diode, is connected to control current flow through a controlling element, for example a thyristor, which provides either an auxiliary current to burn out the fuse or a control current to the relay coil to interrupt connection to the field if over-voltage has been sensed. Simultaneously, an indicator lamp can be energized to indicate malfunction of the voltage regulator.

REFERENCES:
patent: 3332006 (1967-07-01), Worrell et al.
patent: 3529211 (1970-09-01), Brayley
patent: 3857084 (1974-12-01), Allport
patent: 3938005 (1976-02-01), Cummins

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