Shunt field control apparatus and method
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United States of America Patent
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-
Jan 25, 1983
Grant Date -
N/A
app pub date -
Oct 23, 1980
filing date -
Oct 23, 1980
priority date (Note) -
Expired
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Abstract
A field shunt operation for a chopper controlled series DC propulsion motor in the power mode is provided in response to a desired torque request, when a predicted value of the resulting shunt field motor current is determined to be no greater than the known commutation current limit of the chopper.
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