Electricity: single generator systems – Generator control – With armature or primary circuit control
Patent
1982-03-02
1984-07-03
Hickey, R. J.
Electricity: single generator systems
Generator control
With armature or primary circuit control
320 59, 320DIG2, H02J 714
Patent
active
044581955
ABSTRACT:
A full wave rectifier regulator for an alternator battery charging system has gate controlled rectifier connected in two separate branches of the rectifier bridge. The gates of the rectifiers are connected to the anode-cathode circuit of a third gate controlled rectifier (SCR) and are thereby selectively turned "on" and "off" by the current flow in the anode-cathode path of the SCR. A portion of the alternator output voltage triggers the SCR to its conductive mode whenever the battery voltage is between predetermined voltage levels. A protection circuit comprising an electronic switching component is connected to the gate of the SCR to shunt off any gate triggering current to hold the SCR "off". The switching component is connected to sense the battery voltage and to clamp "off" the SCR should its voltage either be lower or higher than the predetermined levels. The regulator further includes means for shorting the output of the rectifier to its input terminals at a voltage substantially higher than the normal operating voltage levels of the system. A storage capacitor is also included to hold said SCR "off" for a predetermined time to prevent rapid cycling of the system about an abnormally high output voltage.
REFERENCES:
patent: 3315141 (1967-04-01), Wright et al.
patent: 3343060 (1967-09-01), Ingraham
patent: 3857082 (1974-12-01), van Opijnen
patent: 4027515 (1980-06-01), Yukawa
Hickey R. J.
R. E. Phelon Company, Inc.
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