Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent
1985-07-03
1987-09-22
Wong, Peter S.
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
363142, 318802, 318812, H02M 545
Patent
active
046959386
ABSTRACT:
An inverter controlling method comprising corresponding DC bus voltage after power inversion relating to commercial power supply voltage, and in a comparator, comparing both voltages, detecting the DC bus voltage at the time point when the both voltages are the same to discriminate and store the level of the commercial AC power supply voltage, and making correction of the output voltage at the next operational start of the inverter on the basis of the stored information.
REFERENCES:
patent: 4437050 (1984-03-01), Overzet
patent: 4480299 (1984-10-01), Muto et al.
patent: 4555750 (1985-11-01), Matsumara et al.
Hoff Marc S.
Mitsubishi Denki & Kabushiki Kaisha
Wong Peter S.
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