Asynchronous motors are the most common engines in the world. They account for about 90% of this market. This is extremely simple, and therefore – extremely reliable equipment. On their basis, pumps, cranes, various electrical equipment are created. Thanks to the many positive qualities of an induction motor, it is always found in the catalogs of various enterprises offering to buy electric motors in Kiev.
The main working parts of the induction motor are a stator and a rotor. The first is a fixed element. It is represented by a multitude of steel plates, twisted into a ring. It is located around the movable rotor, which, in turn, rotates under the action of the electromotive force coming from the stator connected to the network. This circuit has a rather high efficiency (up to 96%, depending on the power that the motor has in Kiev). The simplicity of the device and the absence of contact in moving elements are the cause of low wear and high reliability of the equipment.
The induction motor with squirrel cage rotor has the widest field of application. In it the rotor has a short-circuited winding, which is called a “squirrel wheel”. This is a series of rods made of copper (less often) or aluminum (more often), which pass through the grooves of the core and are closed from both sides by rings. To reduce the higher harmonic ESD grooves are chamfered. Also, this is done to reduce the noise level, which is caused by magnetic causes. There is no insulation between the rotor and the rods. Sometimes instead of “squirrel cage” a cast rotor is realized. Asynchronous electric motors in a squirrel-cage rotor are cheap in production, have a low noise level during operation. The shortcomings include low starting torque (as corrected in models with increased starting torque), as well as the need for a frequency converter for smooth speed control.
If you need to buy an electric motor, then trust only to companies with a proven track record. LLC “Dnepreresurs” exists in this market for more than 25 years. During this time, hundreds of successful transactions were concluded. This company produces electrical products, which can be considered the standard in our country. Therefore, a high-quality electric motor can be bought in Kiev on our website and choose a product from its catalogs.
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