Control method for PWM converter

Details Control method for PWM converter Control method for PWM converter

1990-03-22

1991-01-08

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 89, 363125, 363127, H02M 704

Patent

active

049841475

ABSTRACT:
In the control method for a PWM converter according to the present invention, an upper limit value of an inphase component of an instruction voltage for controlling an AC/DC converter is prescribed, and in the region where the upper limit value is exceeded, the inphase component of the instruction voltage is controlled to be within the prescribed upper limit value by setting a reactive component value corresponding to the exceeding quantity. This makes it possible to offer a low priced, stable control method for a PWM converter.

REFERENCES:
patent: 4320305 (1982-03-01), Thomas
patent: 4399395 (1983-08-01), Espelage
patent: 4447868 (1984-05-01), Turnbull
patent: 4495557 (1985-01-01), Weit
patent: 4523267 (1985-06-01), Mehl
patent: 4599685 (1986-07-01), Hombu et al.
patent: 4670827 (1987-06-01), Schneider
patent: 4816985 (1989-03-01), Tanahashi
patent: 4847744 (1989-07-01), Araki
Okuyama et al, "High Performance AC Motor Speed Control System Using GTO Converters", International Power Electronics Conference, Mar. 27-31, 1983, pp. 720-731.

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