power supply
Providing electrical energy to the drive motor of an electric vehicle,
Car 10
Car 10
The electric motor converts the electrical energy of the power source into mechanical energy. The most widely used power source is lead-acid battery, but with the development of electric vehicle technology, lead-acid batteries are gradually replaced by other batteries due to low energy, slow charging speed and short life. The power sources that are being developed mainly include sodium-sulfur batteries, nickel-cadmium batteries, lithium batteries, fuel cells, etc. The application of these new power sources has opened up broad prospects for the development of electric vehicles.
Drive motor
The function of the drive motor is to convert the electrical energy of the power source into mechanical energy, through the transmission or directly drive the wheel and the working device. However, due to the existence of reversing sparks, DC motors have low power, low efficiency and large maintenance workload. With the development of motor control technology, it is bound to be gradually brushed by DC brushless motors (BLDCM), switched reluctance motors (SRM) and AC asynchronous. Replaced by an electric motor, such as a non-housing disc type axial magnetic field DC series-excited motor.
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