US Patent 7557527 Electrical power converter and control method
Patent 7557527 was granted and assigned to NISSAN MOTOR CO.,LTD. on July, 2009 by the United States Patent and Trademark Office.
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An electrical power converter comprises a first direct current line connected to a first direct current source, a second direct current line connected to a second direct current source, an alternating current line connected to an alternating current motor, a controller, and a pulse generator. The controller determines a required torque of the alternating current motor. The controller also determines a voltage command value that substantially minimizes a copper loss of the alternating current motor while providing the required torque of the alternating current motor. The pulse generator generates an output voltage according to the voltage command value at the alternating current output.
US Patent 07557527 Electrical power converter and control method US Patent 7557527 Electrical power converter and control method
US Patent 07557527 Electrical power converter and control method
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