Electricity: single generator systems – Automatic control of generator or driving means – Speed or frequency of generator
Patent
1981-04-28
1983-02-01
Hickey, R. J.
Electricity: single generator systems
Automatic control of generator or driving means
Speed or frequency of generator
322 58, 322 96, H02K 1100, H02P 904
Patent
active
043718280
ABSTRACT:
A generator set includes a prime mover and a three-phase asynchronous electrical machine coupled to this prime mover and acting as a generator. In addition, at least one set of three delta-connected excitation capacitors is provided, the vertices of the delta-connection each being connected to a respective phase of the electrical machine. A respective inductor is connected in series with each of the said capacitors so as to form at least one set of three L-C series resonators. The resonant frequency of the or each set of resonators is substantially equal to a corresponding predetermined odd harmonic of the frequency of the voltage delivered by the generator. In parallel with each phase of the electrical machine there is also connected a saturable reactor acting as a voltage regulator.
REFERENCES:
patent: 1376400 (1921-05-01), Chubb
patent: 1376425 (1921-05-01), Fortescue
patent: 1387469 (1921-08-01), Chubb
patent: 2409213 (1946-10-01), Kilgore
patent: 2758272 (1956-08-01), Franklin
patent: 2869066 (1959-01-01), Lutz
patent: 3043115 (1962-07-01), Harter
patent: 4242628 (1980-12-01), Mohan
Frank, H. and Landstrom, B., "Power Factor Correction with Thyristor-Controlled Capacitors", ASEA Journal, vol. 44, #6, 1971, (pp. 3-7).
Bogetti Lorenzo
Tornatore Giovanni
Fiat Auto S.p.A.
Hickey R. J.
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