PROBLEM TO BE SOLVED: To provide a vehicular controller capable of promptly detecting occurrence of abnormality in a low speed range, and a railway vehicle having the vehicular controller.SOLUTION: A vehicular controller 4 includes an inverter 6 which converts DC power into AC power of three phases and supplies the power to a motor 8 for driving a vehicle. Detectors 7a, 7b detect current values between the inverter 6 and the motor 8. A control unit 9 PWM-controls the inverter 6 on the basis of the current values detected by the detectors 7a, 7b, a speed command signal and a rotor frequency of the motor 8. The control unit 9 determines that abnormality occurs if the rotor frequency is equal to a predetermined value or less and a PWM percentage modulation is equal to a predetermined value or more.SELECTED DRAWING: Figure 1
【課題】低速度域における異常の発生を速やかに検知することができる車両用制御装置及びこれを備えた鉄道車両を提供すること。【解決手段】車両用制御装置4は、直流電力を3相の交流電力に変換し、車両を駆動するモータ8に供給するインバータ6を備える。検出器7a、7bは、インバータ6とモータ8との間の電流値を検出する。制御部9は、検出器7a、7bが検出した電流値、速度指令信号、及びモータ8のロータ周波数に基づき、インバータ6をPWM制御する。制御部9は、ロータ周波数が所定値以下で、PWM変調率が所定値以上である場合に、異常が発生したと判定する。【選択図】図1
VEHICULAR CONTROLLER AND RAILWAY VEHICLE
車両用制御装置及び鉄道車両
2018-06-14
Patent
Electronic Resource
Japanese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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