Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1985-12-12
1988-03-22
Hickey, R. J.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
322 63, 322 73, H02P 910, H02P 930
Patent
active
047331577
ABSTRACT:
A voltage regulator supplies excitation current both in addition and in subtraction, since supplied current can vary not only in intensity, but also in direction depending on the signal given by a control device, which regulates the conduction of the regulator both as far as intensity and direction are concerned, according to a comparison between a reference voltage and the voltage of the alternator itself, or, in any case, a part of it (123), said addition or subtraction been performed by electric or magnetic means. According to a preferred form of execution, the electronic device has bidirectional conditions consisting of a TRIAC (210) which feeds an auxiliary winding in one direction or the other; the TRIAC is triggered, in turn, by a control circuit which sends out a triggering signal being in relation to the voltage of the alternator and to a reference voltage.
The TRIAC can be replaced by two controlled diodes or by two transistors or similar means, being connected to each other in inverted parallel.
According to another form of execution, the circuit of the electronic regulator has two controlled diodes, transistors or similar means, which send current having the same direction to two separate windings being wound in opposite directions. Yet another form of execution uses four controlled diodes, transistors or similar means which conduct in crossed pairs and feed a single auxiliary winding.
REFERENCES:
patent: 3506909 (1970-04-01), Bohm et al.
patent: 3512076 (1970-05-01), Larson et al.
patent: 3521148 (1970-07-01), Kirk et al.
patent: 3713016 (1973-01-01), Lehnhoff
patent: 3863137 (1925-01-01), Mishima et al.
patent: 4004211 (1977-01-01), Takao
patent: 4383215 (1983-05-01), Frister
Hickey R. J.
M.E.C.C. Alte S.p.a.
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