Regulating system for an alternator voltage

Electricity: single generator systems – Automatic control of generator or driving means – Thermal conditions

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322 28, 320153, H02J 714

Patent

active

060182342

ABSTRACT:
A system for regulating the output voltage of an alternator of a vehicle, supplying power to the electrical system of the vehicle and charging the battery, includes a regulator which controls the excitation current of the alternator. The regulator regulates the output voltage of the alternator with respect to a reference voltage which does not vary as a function of temperature. The system also includes a module in which a temperature sensor measures the battery temperature. This module supplies to the regulator an input signal which is a function of the battery voltage and of the measured battery temperature. The regulator maintains this input voltage at a constant value, and the module is such that this regulation causes the battery voltage to vary in accordance with a required regulation law.

REFERENCES:
patent: 4398140 (1983-08-01), Morishita
patent: 5089762 (1992-02-01), Sloan
patent: 5307001 (1994-04-01), Heavey
patent: 5374886 (1994-12-01), Kohl et al.
patent: 5548202 (1996-08-01), Schramm et al.
patent: 5570001 (1996-10-01), Fenley
patent: 5659240 (1997-08-01), King

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