Parallel operating system for alternate current output converter

Details Parallel operating system for alternate current output converter Parallel operating system for alternate current output converter

1989-05-25

1990-08-07

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

307 58, 307 87, H02M 75387

Patent

active

049473107

ABSTRACT:
A parallel operating system for A.C. output converters of high frequency PWM inverters of an instantaneous current valve control type is provided with a current minor loop for controlling the instantaneous value of the output current. The current of each inverter minor loop is adapted to be supplied with a command value from a voltage major loop and a command value corresponding to the load current to be borne by each converter derived from the load current, as the command value for the current to be output by the converter for maintaining the output voltage at a sine wave.

REFERENCES:
patent: 3675037 (1972-07-01), hamilton
patent: 4276590 (1981-06-01), Hansel et al.
patent: 4635178 (1987-06-01), Greenhalgh
patent: 4677535 (1987-06-01), Kawabata et al.
patent: 4819121 (1989-04-01), Saito et al.

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