Technical passport of the electric motor. Scheme, description

ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
Free library / Electrician

Technical passport of the electric motor. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Electric motors

Since there are a large number of types and brands of electric motors, it is not possible to give all their technical parameters. Yes, this is not required, since each factory-made engine has technical certificate, made in the form of a metal plate, which is fixed directly on the engine housing. But you need to be able to read this passport correctly.

The passport of the engine indicates all its technical characteristics necessary for its connection, namely: engine type; its serial number; type of current from which the motor operates; rated AC frequency (in Hz); rated useful power on the motor shaft; Power factor; type of connection of the stator winding and the mains voltage required in each of these cases (in V); current consumption at rated load (in A); operating mode by duration; rotational speed at rated load; nominal efficiency; degree of protection; as well as GOST, winding insulation class, weight and year of manufacture.

A thorough description of the device of all types of electric motors is not the goal of this book. Since the repair of electric motors is a complex matter, requiring not only special knowledge, but also the availability of the necessary equipment, it is better to entrust it to the masters. The task of a home electrician is to ensure the correct operation of a serviceable engine.

Author: Korshevr N.G.

See other articles Section Electric motors.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

Advanced Infrared Microscope 02.05.2024

Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

Random news from the Archive

Thermonuclear fusion with a magnetized target 15.05.2023

A revolutionary idea proposed by a group of scientists at the Massachusetts Institute of Technology (MIT) could revolutionize space travel by increasing the power of future space missions by 100 times. The idea involves using a type of nuclear fusion called magnetized target fusion to propel the spacecraft.

Currently, most space missions rely on chemical rockets, which are limited by the amount of fuel they can carry. This means that missions to deep space, such as to Mars or beyond, can take years and require huge amounts of fuel. The new proposal aims to solve this problem by using magnetized target fusion to provide a virtually unlimited energy source.

Thermonuclear fusion on magnetized targets is a type of nuclear fusion that involves compressing and heating the target plasma using magnetic fields. This process generates a burst of energy that can be used to propel the spacecraft. MIT scientists propose using a compact fusion reactor to generate the energy needed for this process.

The compact fusion reactor will work through a combination of powerful magnets and lasers to heat and compress a small amount of plasma. This would create a miniature version of the star, which would later release a burst of energy that could be used to propel the spacecraft.

One of the key benefits of using magnetized-target fusion for space travel is that it will allow spacecraft to travel much faster than current technology allows. This means that missions that take years can be completed in months or even weeks. Also, since the fuel source is virtually unlimited, there would be no need for costly refueling operations, greatly reducing the cost of space travel.

By using fusion on magnetized targets to provide virtually unlimited thrust, we could open up the possibility of exploring deep space in a way that has never been possible before. With continued research and development, this idea could become a reality and usher in a whole new era of space exploration.

Other interesting news:

▪ New antibacterial composite obtained using plasma

▪ Color TV with plastic screen

▪ Paint blacker than black

▪ Meizu 10 mAh power bank with fast charging technology

▪ eMMC v5.0 standard

News feed of science and technology, new electronics

Interesting materials of the Free Technical Library:

▪ section of the site Electrician in the house. Article selection

▪ article What is good and what is bad? Popular expression

▪ article What is uranium? Detailed answer

▪ article Swimming with a torpedo pump. Personal transport