Load driver capable of suppressing overcurrent

Details Load driver capable of suppressing overcurrent Load driver capable of suppressing overcurrent

2004-07-12

2008-08-26

Masih, Karen (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C318S432000, C318S433000, C318S567000, C318S801000

Reexamination Certificate

active

07417393

ABSTRACT:
A control device determines whether a motor generator is controlled in a PWM control mode, an overmodulation control mode or a rectangular-wave control mode. If a command to perform a boosting operation by a voltage step-up converter is issued while the motor generator is controlled in the rectangular-wave control mode, the control device controls an inverter to drive the motor generator by switching the control mode to the overmodulation or PWM control mode. Further, the control device controls the inverter to drive the motor generator by suppressing increase of a torque command value.

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