Engine operated generator

Details Engine operated generator Engine operated generator

1999-03-30

2000-10-10

Ponomarenko, Nick

Prime-mover dynamo plants

Electric control

Engine control

290 40F, 290 40A, 322 15, H02P 904

Patent

active

061304867

ABSTRACT:
An engine operated generator is arranged to constantly respond to a change in the load with a margin of power. The output current of the generator 1 driven by an engine 2 is rectified by a converter 3 composed of a thyristor bridge structure. A direct current released from the converter 3 is converted by an inverter 4 to an alternate current at a commercial frequency and connected to a load 5. A thyristor driver circuit 9 controls the conduction of thyristors so that the voltage at the input of the inverter 4 is constant. A fuel flow controller 10 detects the conduction angle of the thyristors and the revolution of the engine 2 is controlled so that the conduction angle is converged on a target conduction angle. Since the target conduction angle is set within a predetermined range smaller than the maximum conduction angle, the generator is maintained with margins of its output and can thus provide a stable level of voltage and respond quickly to a change in the load.

REFERENCES:
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patent: 5650713 (1997-07-01), Takeuchi et al.
patent: 5936312 (1999-08-01), Koide et al.
patent: 5945808 (1999-08-01), Kikuchi et al.
patent: 5969496 (1999-10-01), Yamada et al.
patent: 5994881 (1999-11-01), Miyazaki et al.

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