Parallel running control apparatus for PWM inverters

Details Parallel running control apparatus for PWM inverters Parallel running control apparatus for PWM inverters

1993-06-08

1995-02-14

Skudy, R.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

H02M 75387

Patent

active

053901029

ABSTRACT:
A parallel running control apparatus for PWM inverters controls the parallel running of a plurality of unit inverters controlled in pulse width modulation to supply AC power to a load, output terminals of the unit inverters being connected to each other via interphase reactors. The parallel running control apparatus comprises a current detector, a compensating unit and a control unit. Since a secondary magnetic flux, a slip frequency, and other control variables can be calculated without taking account of any element of disturbance, stable control ensues.

REFERENCES:
patent: 4670832 (1987-06-01), Park
patent: 4717833 (1988-01-01), Small
patent: 4748340 (1988-05-01), Schmidt
patent: 4802079 (1989-01-01), Mizoguchi
patent: 4947310 (1990-08-01), Kawabata et al.
patent: 5016158 (1991-05-01), Matsui et al.
patent: 5191519 (1993-03-01), Kawakami
patent: 5212630 (1993-05-01), Yamamoto et al.

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