The invention provides an electric drive system, an electric drive system control method and device and an electric drive system controller, and relates to the technical field of electric drive systems, the electric drive system comprises an inverter, a capacitor, a protection device and a motor; wherein the protection device is connected between the bus positive wire harness and the bus negative wire harness, and the capacitor is connected with the protection device in parallel; wherein the first withstand voltage threshold value of the protection device is greater than the maximum counter electromotive force of the motor or the normal working voltage of the power supply device, and the first withstand voltage threshold value is smaller than the withstand voltage values of all high-voltage devices in the electric drive system, so that under the condition that the original ASC path fails, when the electric drive system is abnormal, a new ASC path is established, and the normal working condition of the electric drive system is ensured. And the driving safety is improved, and the maintenance cost is reduced while the power supply and the inverter are protected from being damaged.
本发明提供了一种电驱系统、电驱系统控制方法及装置、电驱系统控制器,涉及电驱系统技术领域,该电驱系统包括:逆变器、电容、保护装置以及电机;其中,保护装置连接在母线正极线束和母线负极线束之间,电容与保护装置并联;其中,保护装置的第一耐压阈值大于电机的最大反电动势或电源装置的正常工作电压,且第一耐压阈值小于电驱系统中所有高压器件的耐压值,达到了在原ASC路径失效的情况下,当电驱系统出现异常时,建立新的ASC路径,提高驾驶的安全性、保护电源和逆变器不被损坏的同时降低了维修成本的效果。
Electric drive system, electric drive system control method and device and electric drive system controller
电驱系统、电驱系统控制方法及装置、电驱系统控制器
2025-01-10
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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