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Krubo is specialized in Blower, Cooling Fan designing and manufacturing.

Products covers DC fan, EC fan and AC fan which are widely used in Clean room MAU and AHU system,HVAC,refrigeration, electronic device, driver Module, frequency converter device, power module,control cabinet, chassis cabinet etc.

What is an Three-phase Asynchronous Motor（AC motor)? 

Types of three-phase AC motors operate at a fixed speed, synchronized with the frequency of the power supply. They are used in applications that require precise control of speed and position.Each type of motor has its advantages and is suitable for specific applications, depending on the required control, efficiency, and torque characteristics.

What is Permanent Magnet Synchronous Motor(PMSM)? 

A permanent magnet synchronous motor (PMSM) - is a synchronous electric motor whose inductor consists of permanent magnets. The main difference between a permanent magnet synchronous motor (PMSM) and an induction motor is in the rotor. Studies1 show that the PMSM has an efficiency of approximately 2% more than a highly efficient (IE3) induction electric motor, provided that the stator has the same design, and the same variable frequency drive is used for control. In this case, permanent magnet synchronous electric motors in comparison with other electric motors have the best performance: power/volume, torque/inertia, etc.

High reliability structural designof Permanent Magnet Synchronous Motor(PMSM)

l Process measures for the failure rate of 400,000 rail transit motors at 200PPM

l WISCO series high-performance silicon steel sheets,470 and 600 silicon steel sheets, authentic bearing+reliable process guarantee

l High precision dynamic balance calibration,G1 level dynamic balance guarantee

l High precision rotor machining,Guaranteed strength and stiffness ofalloy steel heat treated shafts,thermal transmission shaft technology ensures reliable torque and accuracy guarantee for secondary machining of rotors

Why choose Krubo Motors?

· High Efficiency: high efficiency in converting electrical energy into mechanical energy, resulting in reduced energy consumption and lower operating costs.

· Low Maintenance: minimal maintenance, cost savings

· High Starting Torque: start and accelerate heavy loads efficiently.

· Compatibility: Three-phase asynchronous motors are compatible with standard three-phase power supply systems, simplifying installation and integration into existing setups.

Applications:widely used in HVAC, wind power,energy saving renovation, machine tools, pumps, fans, compressors, especially evaporator fans and condensing fans,also perfectly suited for mechanical industry requirements