Output control apparatus for electric motor and method for controlling output of electric motor
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United States of America Patent
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Mar 31, 2015
Grant Date -
Oct 3, 2013
app pub date -
Feb 4, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An output control apparatus for an electric motor includes a phase-current instruction-value setting device, a draw-current allowable-value storage device, a phase-current allowable-value setting device, and a phase-current instruction-value limiting device. The draw-current allowable-value storage device is configured to store a draw current allowable value of an electric storage device corresponding to an allowable current value of a system disconnecting-connecting device provided in a power system from the electric storage device to the electric motor. The phase-current allowable-value setting device is configured to set a phase current allowable value based on the draw current allowable value and an ON time of a switching element in a power converter. The phase-current instruction-value limiting device is configured to compare the phase current instruction value with the phase current allowable value to limit the phase current instruction value so as not to exceed the phase current allowable value.
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