Motor braking is used when necessary to quickly stop the actuator. The article discusses braking modes and braking methods.
The slip of an induction motor characterizes the lag of the rotor from the stator field. What it is, how it differs in different operating modes and how to measure the slip, read the article.
The structure of the marking and designations of domestic engines such as AIR and foreign Siemens and their interpretation. Designation of the ends of the windings in brno.
Before commissioning or after repair, various tests of asynchronous motors are carried out. Test methods and standards are described in the article.
UGO of asynchronous, synchronous, collector and other types of motors according to GOST 2.722. The article gives the correct designation of electric motors in the diagrams.
What determines the life of an electric motor and how to extend it? In which GOST and standards are described the requirements for the selection and operation of electric motors.
Decoding marking brushes for electric motors. Correspondence table for Bosch and Makita power tool motors. What are the criteria for choosing a brush.
Methods for adjusting the speed of an induction motor without loss of power. How to regulate the speed of rotation of an asynchronous electric motor with squirrel-cage and phase rotor.
What is a capacitor motor, what is its principle of operation. How to choose a capacitor to the engine. Connection diagram with reverse and without reverse.
What is engine reverse? Scheme of reverse connection of a DC and AC motor. Changing the direction of rotation of the rotor of an induction motor.
Device, principle of operation and scope of stepper motors.What are the types of motor drives and data management schemes for electric machines. Advantages and disadvantages of stepper motors.
What is a servo drive and where is it used. Advantages and disadvantages of the mechanism. How servos for heating and radio-controlled models work and are arranged.
What is motor vibration and why does it occur. In which GOSTs and other documents the norm is indicated. What are the ways to measure and eliminate vibrations.
Typical schemes for starting synchronous motors. Asynchronous start, frequency, by means of an accelerating motor. What devices are used for soft start.
What is the difference between collector and brushless motors. What type of motor is better to choose and why. Comparison of the pros and cons of each option.
What is a brushless DC motor, what is its working principle, types and device. The scope of BDTT, their pros and cons.
Where a direct current DC motor is used. Design, principle of operation and scope of this type of electric motor. Pros and cons of KDPT.
The device, the principle of operation and purpose of the synchronous motor. What are the types of synchronous machines and where are they used. Pros and cons of synchronous motors.
How to find out the power of an electric motor without a tag by shaft diameter, idle current, dimensions and other parameters. The determination procedure is described in the article.
The star and the triangle are the two main schemes for connecting the motor windings. Find out the difference between the two connection methods and how to choose the right one.
How to connect an 380V asynchronous motor to three phases and to a single-phase 220V network. Typical schemes for connecting electric motors and the principle of their operation are described in the article.
What is an induction motor and what types of this type of electric machines are. A simple explanation of the design and operation of induction motors.
The rotor and stator are the two main parts of any electric motor and generator. What is it, what are they and what are they for, we considered in the article.
What types of electric motors are direct and alternating current, what are their differences. The classification of electric motors and their features are described in the article.