Voltage conversion device and computer-readable recording...

Details Voltage conversion device and computer-readable recording... Voltage conversion device and computer-readable recording...

2011-01-11

2011-01-11

Behm, Harry (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C323S222000, C323S266000

Reexamination Certificate

active

07869233

ABSTRACT:
A control device calculates a voltage command value of a voltage step-up converter based on a torque command value and a motor revolution number and calculates an on-duty of an NPN transistor based on the calculated voltage command value and a DC voltage from a voltage sensor. When the on-duty is influenced by a dead time of NPN transistors, control device fixes the on-duty at 1.0 to control the NPN transistors in such a manner that the voltage is increased or decreased.

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