Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1986-03-19
1988-03-01
Salce, Patrick R.
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363 37, H02M 542
Patent
active
047290870
ABSTRACT:
An inversion method, particularly as part of a frequency change is proposed, e.g. for regulating three-phase motors, square-wave voltage pulses being produced by opening and closing electronic switches, so that repeatedly and in a desired order predetermined combinations of switch positions and associated number of clock intervals of unchanged switch position are in each case requested, the switch position combination set and the corresponding number of clock intervals is counted without changing the switch position.
REFERENCES:
patent: 3403318 (1968-09-01), Krauthamer et al.
patent: 3474320 (1969-10-01), Chandler
patent: 4370702 (1983-01-01), Shuey et al.
Trumpler Walter
Zimmermann Ottokar
Ault Anita M.
Salce Patrick R.
Sew-Eurodrive GmbH & Co.
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