Combined starting/generating system and method

Details Combined starting/generating system and method Combined starting/generating system and method

1983-12-20

1984-11-06

Hickey, R. J.

Electricity: single generator systems

With physical starting and/or stopping of the generator

290 38R, 290 46, 322 29, F02N 1104, F02N 1108

Patent

active

044814593

ABSTRACT:
A power conversion system for converting between electric and motive power may be utilized either in a generating mode to generate electric power from motive power supplied by a prime mover or in a starting mode wherein motive power is developed by the power conversion system from electrical power and is supplied through a torque converter to the prime mover to start same. The power conversion system includes a main generator, an exciter and a permanent magnet generator, or PMG, which together comprise a brushless alternator. When operated in the starting mode, power is supplied to the PMG to cause it to act as a motor and thereby drive a rotor which is common to the PMG, exciter and main generator. Once a predetermined operating condition of the generator is attained, the main generator is supplied power from a motor control to cause the generator to act as a synchronous motor and the power supply to the PMG is disconnected. The torque converter is then commanded to transfer motive power from the generator to the prime mover to start same.

REFERENCES:
patent: 3809914 (1974-05-01), Kilgore et al.
patent: 3908130 (1975-09-01), Lafuze
patent: 3908161 (1975-09-01), Messenger
patent: 4330743 (1982-05-01), Glennon

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