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Technical development situation and control technology of two-wheel electric patrol motorcycle
Dec 01, 2018

Two-wheel electric patrol motorcycles are mainly operated by using series resistors or changing the number of turns of the motor field coil. Because the speed regulation is stepped, and the additional energy consumption or the structure of the motor is complicated, it is rarely used today. Today's electric vehicles are widely used in thyristor chopper speed regulation, which achieves stepless speed regulation of the motor by uniformly changing the terminal voltage of the motor and controlling the current of the motor.

From the perspective of the development of technology, the two-wheel electric patrol motorcycle will become an inevitable trend when the application of the new drive motor is used, and the speed control of the electric vehicle is changed to the application of the DC inverter technology. In the rotary direction control of the drive motor, the DC motor relies on the contactor to change the direction of the current of the armature or the magnetic field, thereby realizing the direction change of the motor, which makes the hole-ha circuit complicated and reliable.

When the two-wheel electric patrol motorcycle is driven by an AC asynchronous motor, the change of the steering of the equipment only needs to change the phase sequence of the three-phase current of the magnetic field, so that the control circuit can be simplified. In addition, the AC motor and its variable frequency speed control technology make the braking energy recovery control of the electric vehicle more convenient and the control circuit is simpler.


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