Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1988-07-25
1989-05-02
Wong, Peter S.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
363 98, 363132, 363136, 363 41, H02H 7122
Patent
active
048273929
ABSTRACT:
In a control apparatus for a power converter for controlling a power converter on the basis of stored values of a memory adapted to store variables over a fixed time period of the power converter while sequentially updating them, when an abnormal state occurs in the power converter, writing into the memory is stopped to effect a control using data having been stored immediately before that abnormal state occurs, thus to restart writing into the memory at the time when that abnormal state is removed.
REFERENCES:
patent: 4371824 (1983-02-01), Gritter
patent: 4458194 (1984-07-01), Geppert et al.
patent: 4719400 (1988-01-01), Kurakake et al.
Haneyoshi et al., "Waveform Compensation of PWM Inverter with Cyclic Fluctuating Loads", IEEE, 1986, pp. 744-751.
Kabushiki Kaisha Toshiba
Wong Peter S.
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