Water pumps are divided into many kinds, there are fish tanks, water purifiers and other small pumps, but also cars, industrial pumps, etc., can be commonly divided into water pumps DC motor and water pumps AC motor, many friends do not know very well, often easy to get it wrong, Vacuz from many aspects to say the difference between the two! I hope it can help you to solve the confusion.

Двигун насоса

1. Input power is different: pump DC motor input is DC power, pump AC motor input is AC power, single-phase and three-phase.

2. Working principle is different: AC motor supply voltage using alternating current, into the stator winding, the air gap in the fixed rotor to produce a rotating magnetic field, induction current in the rotor winding, so that the rotor in the stator magnetic field force and run up; DC motor supply voltage is DC input, commonly used technology to control, can be infinitely adjustable speed, the number of stages can be adjusted arbitrarily, you can also increase the feedback signal, can Closed-loop speed regulation, fast braking, relatively speaking, better output stability.

3. Motor structure is different: DC motor principle is simple, the structure is more complex; AC motor principle is more complex, the structure is relatively simple.

4. Different uses: pump DC motor speed control is more extensive, pump AC motor speed control range is relatively small.

5. Output power is different: relatively speaking, the pump DC motor than the AC motor power is smaller, especially brushless motor, can solve many of the shortcomings of the brush motor.

6. commutator: usually there is a commutator is a DC motor, no commutator is an AC motor.

Двигун насоса

Water pump DC motor and AC motor what is the difference and different, the above has been briefly explained, I hope it can help you!

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