Method and apparatus for voltage regulation depending on battery

Details Method and apparatus for voltage regulation depending on battery Method and apparatus for voltage regulation depending on battery

1991-10-21

1994-01-18

Hickey, R. J.

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

320 64, 322 28, 322 8, 322 29, H02J 716

Patent

active

052802329

ABSTRACT:
The method of regulating a voltage produced by a generator with a voltage regulator according to a battery charge state includes providing a controller containing a clock and a memory able to store battery and power supply reference data, battery voltage and generator rotation speed; maintaining a regulated voltage produced by the generator at a normal value (U.sub.R) during a first time interval (t1); measuring a battery voltage (U.sub.B) and decreasing the regulated voltage (U.sub.R) during a second time interval (t2); determining the battery charge state from the measured battery voltage (U.sub.B) according to the stored battery- and power supply-reference data; and, when the battery charge state is determined to be unsatisfactory, determining an additional time interval (t4) with the controller and an amount of increase of the regulated voltage (U.sub.R) sufficient to obtain a satisfactory battery charge state during the additional time interval (t4) without damaging the voltage sensitive components of the voltage regulator; and increasing the regulated voltage above the normal value (U.sub.R) by the thus determined amount and turning on no voltage-critical consuming device during the additional time interval (t4). A voltage regulator including the controller is also described.

REFERENCES:
patent: 4322630 (1982-03-01), Mezera et al.
patent: 4323837 (1982-04-01), Nakamura et al.
patent: 4423378 (1983-12-01), Marino et al.
patent: 4682097 (1987-07-01), Matsui
patent: 4968942 (1990-11-01), Palanisamy

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