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DC motor drive circuit diagram
Posted: 1/1/2020 18:20:38 Read: 70 molex connector

The form varies according to the environment and frequency of use. Different types of motors have different characteristics. At present, electric motors generally use permanent magnet DC motors. The so-called permanent magnet motor refers to the use of permanent magnet excitation for the motor coil, and no coil excitation. In this way, the electric energy consumed during the operation of the exciting coil is eliminated, and the electromechanical conversion efficiency of the motor is improved. For an electric vehicle using a vehicle-mounted limited energy source, it can reduce the driving current and extend the mileage. Electric vehicle motors are divided according to the motor's energized form, which can be divided into two categories: brushed motors and brushless motors. According to the mechanical structure of the motor assembly, they are generally classified as "toothed" (the motor rotates at a high speed and requires gears) Deceleration) and "toothless" (motor torque output does not undergo any deceleration).

Drive motors for electric vehicles are different from conventional industrial motors. The driving motor of an electric vehicle usually requires frequent starting / stopping, acceleration / deceleration, high torque at low speed or climbing, low torque at high speed, and a large speed range. Industrial motors are usually optimized at the rated operating point. Therefore, electric vehicle drive motors are relatively unique and should be classified separately.

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