Construction And Repair

Rectifier bridge: diode bridge connection diagram, device operation principle and assembly technology Construction And Repair

A rectifier bridge (diode) is a semiconductor diode designed to convert an alternating current into a permanent one. This is far from a complete area of application of rectifier diodes: they are ...

Diode spotlights for ceilings: features and varieties Construction And Repair

Each owner sets requirements for the design of an apartment independently. The decoration of the upper part of the rooms and other areas should be given a lot of attention. It is at this point that...

The principle of operation and the device of the remote control light in the room Construction And Repair

Coming home after a hard day's work and sitting comfortably in front of the TV or doing your favorite thing, you remember that you forgot to turn off the light. And since getting up is lazy, the li...

Fuses: how they work and where they are used, the advantages and disadvantages of devices Construction And Repair

A fuse is a protective element that helps to prevent the development of any accident. There are several options for this device: electromechanical, electronic, self-healing and fusible. The latter ...

Modular contactor: what is a single-phase contactor for in the power grid, where contactors are used Construction And Repair

A simple but quite effective electrical device - a modular contactor (MK) - is used to supply and disconnect current in various electrical appliances.ContentMain functionOperating principleClassifi...

What is a rheostat for: the principle of operation of the unit, the main varieties, application in the circuit Construction And Repair

A device capable of coping with a change in resistance is commonly called a rheostat. Structurally, it is represented by a set of resistors that are connected to each other in steps, and can provid...

Brushless DC motor: device features, operation control, application Construction And Repair

The principle of operation of a brushless DC motor (BKDP) has been known for a very long time, and brushless motors have always been an interesting alternative to traditional solutions. Despite thi...

Frequency converter for a three-phase and single-phase electric motor: a frequency converter with your own hands, how to make Construction And Repair

Today, asynchronous motors are the main traction drives for machine tools, conveyors, and other industrial units.In order for the motors to function properly, they need a frequency converter. It al...

What is the power of an electric motor and how to determine it: formulas and examples Construction And Repair

An electric motor is an electromechanical device based on electromagnetism, which allows you to convert electrical energy, for example, into work or mechanical energy. This process is reversible an...

How to rewind an electric motor: features of changing the stator winding and motor armature with your own hands Construction And Repair

Household rotors are often used in a variety of tools. They come in direct and alternating current. It is rather difficult to rewind an electric motor at home in such devices. First, the units are ...