Control of electric motors for battery-operated vehicles专利检索-续流二极管二极管电子零件及设备专利检索查询-专利查询网

Control of electric motors for battery-operated vehicles

阅读：118发布：2023-05-20

专利汇可以提供Control of electric motors for battery-operated vehicles专利检索，专利查询，专利分析的服务。并且A control means for a series electric motor for, for example, battery operated vehicle usually includes a DC switch for connecting said motor across a battery, a flywheel diode for connecting across the motor and a reverse diode for conducting armature current resulting from regeneration. To avoid overheating when regeneration braking is used on long gradients a resistor is provided in the armature reverse-diode loop in combination with a contactor having a current coil sensitive only to reverse diode current and having normally closed contacts shorting the resistor.，下面是Control of electric motors for battery-operated vehicles专利的具体信息内容。

权利要求

1. A control means for a series electric motor comprising a DC switch connecting said motor across a battery, a flywheel diode across the motor and a reverse diode across the armature for conducting armature current resulting from regeneration, a resistor provided in the armature reverse-diode loop in combination with a contactor having a current coil sensitive only to reverse diode current and having normally closed contacts shorting the resistor.

2. A control means as clAimed in claim 1, wherein the resistor is connected in the series connection of the motor between the armature and the field and the current coil of the contactor is connected in series with the reverse diode across the series connection of the resistor and the armature.

3. A control means as claimed in claim 1, wherein the resistor, the current coil of the contactor and the reverse diode are connected in series across the armature of the motor.

4. A control means as claimed in claim 1, wherein the D.C. switch provides pulses of current to the motor and means are provided to limit the range of pulse rate applied to the motor during conduction of the reverse diode.

5. A control means as claimed in claim 4, wherein said means for limiting the pulse rate range includes further contacts on said contactor, which further contacts limit the pulse rate range when the contactor is energised.

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Control of electric motors for battery-operated vehicles

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