Parallel inverter control apparatus

Details Parallel inverter control apparatus Parallel inverter control apparatus

1991-11-21

1993-11-16

Sterrett, J. L.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 37, 363 98, H02M 75387

Patent

active

052629350

ABSTRACT:
A structure is disclosed in which instantaneous phase and voltage difference values between the output voltage waveform from an inverter and the output voltage waveform from another AC power source are detected to correct the phase and the level of the output voltage waveform from the inverter so that the phase difference and the voltage difference can be controlled at high speed. As a result, excess current, which occurs if the inverter is operated at high frequencies, can be effectively controlled so that a stable parallel operation of the inverter with another AC power source is possible to perform.

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patent: 5047909 (1991-09-01), Hosoda
patent: 5191519 (1993-03-01), Kawakami
"The Power Converter of Semiconductor"; pp. 216 & 217; Mar. 1987; The Institute of Electrical Engineers of Japan.

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