Ac Motor Parts And Functions Pdf


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11.05.2021 at 08:53
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ac motor parts and functions pdf

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As we know, an electric motor plays a vital role in every sector of the industry, and also in a wide range of applications. There are a variety of types of electric motors are available in the market. The selection of these motors can be done based on the operation and voltage and applications.

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Alternating Current AC is what power companies transmit through the electric wires. AC travels in both directions and is used so that transformers may raise and lower the voltage. Electric generators produce low voltage electricity and transformers are used to raise the voltage for long distance transmission. The power supplied at electrical outlets in homes is V or V single-phase. Single-phase means that only one voltage waveform is applied to the motor. Three-phase is more efficient and economical and is provided to industrial sites for heavy-duty equipment with three-phase motors. The AC motor consists of two main parts: the rotor and the stator.

Electric motors rely on electromagnetic induction, a phenomenon discovered in the early s by physicist Michael Faraday. He found that moving a magnet through a toroid, around which he had wrapped a conducting wire, generated an electric current in the wire. Electric motors use this idea in reverse. When a current passes through a coil, the coil becomes magnetized, and if it's attached to a shaft and suspended in the field generated by a permanent magnet, the opposing magnetic forces create enough force to turn the shaft. Connecting the shaft to a gear mechanism makes it capable of doing work, and adding bearings reduces friction and increases the efficiency of the motor. The main parts of an electric motor include the stator and rotor, a series of gears or belts, and bearings to reduce friction. DC motors also need a commutator to reverse current direction and keep the motor spinning.

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Different Types of Electric Motors

Basic Electronics 2 Figure 1 Process under control An open-loop control system utilizes a controller or control actuator to obtain The most common type of motor in this group is the squirrel cage induction motor. There are three types of motors used in control applications. Such motors are controlled by switching them on and off. We will discuss shunt wound, series wound, compound wound, servo, stepper, and torque motors, with detailed explanation of how commutation and control is … To The three-phase motor will operate at a higher efficiency compared with the single-phase motor.

An AC motor is an electric motor driven by an alternating current AC. The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field , and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field may be produced by permanent magnets, reluctance saliency, or DC or AC electrical windings. Less common, AC linear motors operate on similar principles as rotating motors but have their stationary and moving parts arranged in a straight line configuration, producing linear motion instead of rotation. The two main types of AC motors are induction motors and synchronous motors. The induction motor or asynchronous motor always relies on a small difference in speed between the stator rotating magnetic field and the rotor shaft speed called slip to induce rotor current in the rotor AC winding.

Electric motors play an essential role in almost every industry. Using the right type of motor with high-quality parts and regular servicing keeps your facility running smoothly and prevents damage to the endpoint equipment due to wear or power surges. Gainesville Industrial Electric can help your company select the right industrial electric motors and parts for your applications. Electric motors are machines that convert electrical energy—from either stored power or a direct electrical connection—into mechanical energy through the production of rotational force. The two major types of electric motors are:. Both AC and DC motors use electrical current to produce rotating magnetic fields that, in turn, generate rotational mechanical force in the armature—located on the rotor or stator—around the shaft. The various motor designs use this same basic concept to convert electric energy into powerful bursts of force and provide dynamic levels of speed or power.


AC motors are primarily used as a source of constant-speed mechanical power but are are fewer parts to go wrong and there is no “brush dust” to contaminate the control the motor. Flux vector drives can function effectively down to Hz​.


What Are the Functions of Parts in an Electric Motor?

Motor components are classified into five main portions 1 to 5 as Fig. Of these components, the parts most closely related to the basic classification method for motors are the stator and the rotor. The following four types are listed as the typical stator structure:.

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И, как бы повинуясь неведомому сигналу, между стенами слева от него мелькнула тень. Нет сомнений, что человеческий мозг все же совершеннее самого быстродействующего компьютера в мире. В какую-то долю секунды сознание Беккера засекло очки в металлической оправе, обратилось к памяти в поисках аналога, нашло его и, подав сигнал тревоги, потребовало принять решение.

Вряд ли он позволил бы ТРАНСТЕКСТУ простаивать целый уик-энд.

5 Comments

Alice R.
12.05.2021 at 21:04 - Reply

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Merced C.
13.05.2021 at 16:30 - Reply

The three basic parts of an AC motor are the rotor, stator, and enclosure. Page 16​. Stator Construction. The stator and the rotor are electrical circuits that.

Quennel L.
15.05.2021 at 05:44 - Reply

components; batteries; AC and DC voltage regulators; transformers; and electrical test A basic understanding of electricity and electrical systems is necessary.

Matthew N.
18.05.2021 at 07:20 - Reply

Even though annealed at the mill, fully processed material may require further stress relief anneal after stamping.

Adassa J.
18.05.2021 at 07:47 - Reply

In other parts of the world, the standards of the International Electrotechnical Commission (IEC) are most often used. Nameplate. Nameplate data is the critical first.

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