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The difference between AC series motor and DC motor and the corresponding advantages?

The difference between AC series motor and DC motor and the corresponding advantages?

  • Categories:Industry News
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  • Time of issue:2021-08-13
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(Summary description)The most basic difference between AC series motor and DC motor:

The power supply is different: AC series motors use single-phase or three-phase AC power, while DC motors use DC power, such as batteries.

The speed is different: the speed of the AC series motor is controlled by changing the current in the motor, while the speed of the DC motor is controlled by changing the frequency, usually a frequency converter. Therefore, AC general-purpose motors rotate faster than DC motors.

The difference between AC series motor and DC motor and the corresponding advantages?

(Summary description)The most basic difference between AC series motor and DC motor:

The power supply is different: AC series motors use single-phase or three-phase AC power, while DC motors use DC power, such as batteries.

The speed is different: the speed of the AC series motor is controlled by changing the current in the motor, while the speed of the DC motor is controlled by changing the frequency, usually a frequency converter. Therefore, AC general-purpose motors rotate faster than DC motors.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-08-13
  • Views:0
Information

The most basic difference between AC series motor and DC motor:

The power supply is different: AC series motors use single-phase or three-phase AC power, while DC motors use DC power, such as batteries.

The speed is different: the speed of the AC series motor is controlled by changing the current in the motor, while the speed of the DC motor is controlled by changing the frequency, usually a frequency converter. Therefore, AC general-purpose motors rotate faster than DC motors.

When the AC series motor is running, its rotor and current frequency are kept synchronized, and the speed can remain unchanged for a long time. Therefore, AC series motors are particularly suitable for applications that require continuous motion and rarely shift gears. They are widely used in household appliances, medical rehabilitation equipment, power tools, and other fields. It has the following advantages:

Simple structure, easier to manufacture;

Low start-up energy consumption and more economical;

The structure is more sturdy and durable, so it usually has a longer life;

There is almost no need for maintenance, saving maintenance costs.

DC motors are very suitable for dynamic applications that require high precision, but are not suitable for applications that require high power. They are widely used in household appliances, medical care, automotive and industrial fields. They have the following significant advantages:

High starting torque;

Easy to install;

Accurate, fast, start, accelerate and stop must be very fast;

The speed control is simple, and the speed can be controlled only by changing the power supply voltage.

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