Brief analysis of the structure and function of the new energy electric vehicle drive motor controller
Release time:
2023-06-12 00:00
The motor controller, the device that controls the energy transfer between the power supply and the drive motor, consists of a control signal interface circuit, a drive motor control circuit and a drive circuit.
In electric vehicles, the function of the motor controller is to convert the electrical energy stored in the power battery into the electrical energy required by the drive motor according to the gear, throttle, brake and other commands to control the driving state of the electric vehicle such as starting operation, in and out speed, climbing effort, or will help the electric vehicle to brake and store part of the braking energy in the power battery.
It is one of the key components of electric vehicles.
The basic structure of the electric vehicle drive motor controller can be divided into: housing, high and low voltage connectors, electronic control components, electrical control components, electrical power components.
Electrical power components are mainly IGBT integrated power modules, which are the key components of the electrical controller.
The housing of the motor controller is mainly used to fix the electronic control components, electrical control components, electrical power components and connectors, and to provide a sealed dustproof and waterproof (IP67) space to protect the electronic control components, electrical control components, electrical power components.
Due to the high output power of the IGBT integrated power module for automotive motor controllers, the temperature rise is rapid.
The housing provides the appropriate cooling water circuit to introduce coolant from the complete vehicle cooling system to cool the IGBT integrated power module.
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The function of the motor housing
The motor housing plays a crucial role in ensuring the efficient and safe operation of electric motors.
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