Plural inverter synchronizer and control apparatus

Details Plural inverter synchronizer and control apparatus Plural inverter synchronizer and control apparatus

1986-12-19

1988-03-22

Salce, Patrick R.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

307 82, 363 95, H02M 742

Patent

active

047333413

ABSTRACT:
An inverter control apparatus contains digital phase-locked loop oscillators, in order to achieve a synchronization with a reference frequency of a commercial power supply. The inverters are activated by outputs from programmable dividers for frequency-dividing the output pulses from the digital phase-locked loop oscillators. The frequency-dividing ratio of each of the programmable dividers is changed in accordance with the deviation of the active output powers of the inverters.

REFERENCES:
patent: 4171517 (1979-10-01), Higa et al.
patent: 4176392 (1979-11-01), Cronin et al.
patent: 4587604 (1986-05-01), Nerone
patent: 4641042 (1987-02-01), Miyazawa
Power Electronics--Power Semiconductors and Their Applications, (pp.142-145), Second International Conference Sep. 27-29, 1977.

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