Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1993-09-17
1995-04-04
Ro, Bentsu
Electricity: motive power systems
Induction motor systems
Primary circuit control
3889075, H02P 541
Patent
active
054040892
ABSTRACT:
A programmed PWM controller for controlling an inverter is provided which includes memory means for storing a plurality of drive data words representing a pulsewidth modulation sequence, each drive data word including a driveword and a drivetime word, the drivewords being used to operate the inverter; first digital means for selectively retrieving each of the plurality of drive data words from the memory means according to the pulsewidth modulation sequence in response to a next drive data word request signal; and second digital means governed by the drivetime word for generating the next drive data word request signal.
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Flanagan David F.
Iholts Keith E.
Lindbery John R.
Lewis Leonard L.
Ro Bentsu
Simmonds Precision Engine Systems Inc.
Zitell William E.
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