An electric motor is a rotary electric machine that converts electrical energy into mechanical energy.How does an electric motor work physics. It mainly consists of an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. How does an electric motor work physics.Under the action of the rotating magnetic field of the stator winding, it has a current passing through the effective side of the stator winding and is rotated by the action of the magnetic field.

According to the principle of motor reversibility, if the motor does not change its structure, the motor is used as a motor and can also be used as a generator.How does an electric motor work physics. It is a machine that converts electrical energy into mechanical energy. Usually, the work part of the motor is rotated. This type of motor is called a rotor motor.How does an electric motor work physics. It is also called a linear motor.
The most widely used of various motors is an AC asynchronous motor (also known as an induction motor).How does an electric motor work physics. It is easy to use, reliable in operation, low in price, and firm in structure, but with low power factor and difficult speed regulation. Synchronous motors are commonly used in high-capacity, low-speed power machines (see Synchronous Motors).How does an electric motor work physics. The synchronous motor not only has a high power factor, but its speed is independent of the load and is determined only by the grid frequency.

The work is more stable. DC motors are often used where wide-range speed regulation is required.How does an electric motor work physics. However, it has a commutator, which is complicated in structure, expensive, difficult to maintain, and unsuitable for harsh environments. How does an electric motor work physics.After the 1970s, with the development of power electronics technology, the speed control technology of AC motors has gradually matured, and the price of equipment has been decreasing, and it has begun to be applied.

The maximum output mechanical power that the motor can bear under the specified working mode (continuous, short-time operation, intermittent cycle operation) and not cause the motor to overheat is called its rated power. Pay attention to the requirements on the nameplate when using it. .How does an electric motor work physics. When the motor is running, care should be taken to match the characteristics of the load with the characteristics of the motor to avoid flying or stopping.

Motors can provide a wide range of power, from milliwatts to 10,000 kW. How does an electric motor work physics.The use and control of the motor is very convenient, with the ability to self-start, accelerate, brake, reverse, and hold. In general, the output power of the motor will change with the speed when the speed is adjusted.

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