Title:
DRIVE CONTROL DEVICE FOR VEHICLE, DRIVE CONTROL METHOD FOR VEHICLE AND OVERVOLTAGE PROTECTION CIRCUIT
Document Type and Number:
Japanese Patent JP2008195150
Kind Code:
A
Abstract:
To make the power consumption of an overvoltage protection circuit more suitable.
A pulse signal is input to a gate terminal of a transistor 12 of an overvoltage protection circuit 3 connected in parallel to a motor 4, and the carrier frequency f of the pulse signal is controlled, whereby the switching loss of a transistor 12 can be adjusted by controlling the switching frequency f of a transistor 12 of the overvoltage protection circuit 3, so that even if the power consumption of a discharge resistance 13 changes, the power consumption of the overvoltage protection circuit 11 can be made more suitable as a whole.
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Inventors:
MOMOSE TOMOAKI
ORITA SHUICHI
ORITA SHUICHI
Application Number:
JP2007030617A
Publication Date:
August 28, 2008
Filing Date:
February 09, 2007
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B60W10/08; B60K6/44; B60K6/52; B60L7/06; B60W20/00; H02H9/04; H02P27/06
Domestic Patent References:
| JPH0336974A | 1991-02-18 | |||
| JPH0517078A | 1993-01-26 |
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka
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