Patent Number: 6,166,512

Title: Controller for diesel electric locomotive

Abstract: In controller for diesel electric locomotive, after output from an alternating current generator driven by a diesel engine is rectified into direct current power, the direct current power is inverted into alternating current power by an inverter to thereby carry out a power run control of an induction motor, and energy generated by the induction motor is consumed at a brake resistor by moving a brake chopper when the brake is applied. When a revolving speed of said induction motor exceeds a predetermined value at the time of power run, an slip control unit detects slip of wheels and outputs an output reduction signal for the induction motor in correspondence to a level of slip. An output torque of the induction motor is reduced with the output reduction signal. Further, a reduced amount of the output torque of the induction motor is consumed at a brake resistor through a conduction ratio control of the brake chopper.

Inventors: Kojima; Shigeru (Tokyo, JP)

Assignee: Mitsubishi Denki Kabushiki Kaisha

International Classification: B60L 3/10 (20060101); B60L 7/14 (20060101); B60L 7/00 (20060101); H02P 003/18 ()

Expiration Date: 12/26/2017