Title:
METHOD AND UNIT FOR CONTROLLING ELECTRIC ROLLING STOCK IN WHICH RESISTOR CAN BE INSERTED BETWEEN INVERTER AND INDUCTION MOTOR
Document Type and Number:
Japanese Patent JP3655204
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method and a unit for controlling an electric rolling stock provided with a resistor inserted between an inverter and an induction motor which is capable of suppressing as much as possible a current and torque fluctuations by switching control parameters at the same time when a contactor is applied.
SOLUTION: In the controlling unit of the electric rolling stock in which the resistor can be inserted between an inverter 43 and an induction motor 48, a current sensor 47 mounted on a contactor 46 and directly detecting the application of the contactor 46, and a changing part 44 of the control parameters which switches control parameters by the direct detection are provided.
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Inventors:
Hirokazu Kato
Michihiro Yamashita
Masamichi Ogasa
Asaki Watanabe
Michihiro Yamashita
Masamichi Ogasa
Asaki Watanabe
Application Number:
JP2001047525A
Publication Date:
June 02, 2005
Filing Date:
February 23, 2001
Export Citation:
Assignee:
Railway Technical Research Institute
International Classes:
B60L7/14; B60L7/22; B60L9/18; H02P21/00; H02P23/07; H02P27/04; (IPC1-7): B60L7/22
Domestic Patent References:
| JP2219404A | ||||
| JP2000059906A |
Attorney, Agent or Firm:
Mamoru Shimizu
Makoto Kawai
Makoto Kawai
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