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Dcac Motor Controller Is Used for Oil Pump Motor, Air Pump Motor, Travel Motor

A DC/AC motor controller is a critical power electronics device that converts DC power into three-phase AC power to drive AC motors. It is based on power semiconductor devices (such as IGBTs) and uses pulse-width modulation (PWM) technology to precisely control the on-off time and sequence of the DC input voltage, converting the DC power into three-phase alternating current with variable frequency and amplitude. This precise control can realize the flexible adjustment of the speed and torque of the AC motor.
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  • LHT

Fields of application:

  • New energy vehicles: It is one of the core components of electric vehicles and hybrid vehicles, which controls the operation of the drive motor and directly affects the power performance and mileage of the vehicle.

  • On-board oil pump motor: Provide suitable AC power supply for the oil pump motor, accurately control the speed of the oil pump, so that the fuel can be delivered to the engine and other parts stably and on demand, and ensure the stable operation of the fuel supply system. For example, when the engine is running under high load, increase the speed of the oil pump motor and increase the fuel supply .

  • Air pump motor: control the operation of the air pump motor, drive the air pump to work to produce compressed air, which is used in the vehicle braking system (such as air brake) or air suspension system. By adjusting the speed of the air pump motor, the air pressure can be established quickly or stably as needed to ensure braking efficiency and the normal operation of the vehicle's suspension system.

  • Walking motor: In electric vehicles and other vehicles, the speed, torque and steering of the walking motor are precisely controlled to achieve smooth starting, acceleration, deceleration, steering and other operations of the vehicle. According to the driving conditions of the vehicle and the driver's intention, the output is adjusted in real time to ensure the driving performance and safety of the vehicle.

  • Industrial automation: It is used for all kinds of industrial AC motor drive systems, such as fans, pumps, machine tools and other equipment, to improve the automation level and energy efficiency of the production process.

  • Rail transit: Provide control for the traction motor of the electric train to ensure the smooth start, acceleration, deceleration and braking of the train.


Parameter Table

The name of the projectFH-4D2.2FH-4D3.3FH-4D5.5FH-4D7.5FH-2D7.5FH-4D15FH-2D20FH-4D40
Dimensions /mm2181758021817580268168150268168150333240195333240195326.5266188.5326.5266188.5
Weight /kg225.35.36.96.99.59.5
Input Voltage/V (DC).250-750250-750250-750250-750200-500350-750200-500350-750
Rated output current / A5.59131730308080
Peak output current / A8.313.519.5264545120120
Rated power /kW2.23.75.57.57.5152040
Output frequency range0-300Hz0-300Hz0-300Hz0-300Hz0-300Hz0-300Hz0-300Hz0-300Hz
Cooling methodSelf-coolingSelf-coolingAir-cooledAir-cooledAir-cooledAir-cooledAir-cooledAir-cooled


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