Brake energy feedback control system of pure electric automobile
A technology of braking energy feedback and pure electric vehicles, which is applied in electric braking systems, electric vehicles, electric energy management, etc., and can solve problems such as inability to lock wheels, inability to actively avoid vehicle shaking, and difficulty in obtaining satisfactory results.
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[0022] Hereinafter, the present utility model will be further described in detail through specific embodiments in conjunction with the drawings.
[0023] Such as figure 1 Shown is the schematic diagram of braking energy feedback regenerative braking. Generally speaking, the voltage generated by the braking energy feedback power generation system is always lower than the battery voltage. Therefore, in order to charge the electric energy generated by the braking energy feedback power generation system into the battery, a special control system must be adopted to make the motor work in regenerative braking mode. . The principle of braking energy feedback regenerative braking is as follows figure 1 Shown. In the picture Is the resistance, Is the braking current limiting resistor, Is the battery voltage, Is the induced potential of the motor, and L is the inductance of the motor armature. When working, the motor armature drive current is disconnected, and both ends of the armatu...
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