Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – By semiconductor converter
Patent
1986-02-14
1987-03-03
Salce, Patrick R.
Electric power conversion systems
Frequency conversion without intermediate conversion to d.c.
By semiconductor converter
363161, 363164, H02M 522
Patent
active
046480226
ABSTRACT:
A three-pulse UFC system uses three groups of three bilateral switches controlled according to a switch polarity pattern to generate AC currents to a load, and a deadband hysteresis having upper and lower limits is used to maintain the load current so as to match a reference current.
REFERENCES:
patent: 3470447 (1969-09-01), Gyugyi et al.
patent: 3493838 (1970-02-01), Gyugyi et al.
patent: 3636430 (1972-01-01), Kernick et al.
patent: 3648150 (1972-03-01), Kernick et al.
patent: 3967173 (1976-06-01), Stich
patent: 4555755 (1985-11-01), Kurosawa et al.
Lorin Charles M.
Salce Patrick R.
Sterrett Jeffrey
Westinghouse Electric Corp.
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