Construction And Repair

What is a thermistor: characteristics and parameters, principle of operation and classification Construction And Repair

The development of electronics is gaining momentum every year. But, despite new inventions, devices designed at the beginning of the 20th century work reliably in electrical circuits. One such devi...

Cutoff current: principle of operation, varieties, the need for a mechanism Construction And Repair

With the help of relay protection, you can create a fairly reliable and completely safe operation of electrical networks. From a wide variety of protective devices, current cutoff can be distinguis...

Thermal relay for an electric motor: design features, types, principle of operation and connection diagrams Construction And Repair

Thermal relays are actively used to protect electric motors from overloads.Although quite a few types of these devices have been created, their field of application is almost the same.ContentDesign...

Inverter motor: principle of operation, advantages and disadvantages of an electric motor Construction And Repair

Mainly, an inverter motor differs from a conventional electric motor in that it has no brushes. Units are used in refrigerators, automatic washing machines, air conditioners. The converter, which a...

I - V characteristic of a thyristor: the main types of semiconductors, switching methods and the principle of operation of power switches Construction And Repair

For switching and regulating high-power voltage, thyristors are used, which are a kind of semiconductor devices. Today, switches of various capacities are used to ensure the correct operation of th...

Types of galvanic cells: design and operation of salt, alkaline and lithium batteries and accumulators Construction And Repair

Different types of electrochemical cells convert their chemical energy into electrical current. They got their name in honor of the Italian scientist Galvani, who conducted the first such experimen...

The profession of an instrumentation locksmith: concept, main responsibilities for qualification categories Construction And Repair

Modern technologies of any production activity of a person are inconceivable without the use of various control and measuring instruments, sensors of various purposes, relays and others. devices fo...

Description of the principle of operation of wireless chargers; what are they called and are they dangerous Construction And Repair

Although the traditional charger is more common, it is worth knowing that there are also wireless chargers for phones. They work on the principle of electromagnetic induction, which produces a volt...

Earth wire color in a three-phase network: international marking requirements Construction And Repair

A grounding conductor connects an electrical device (or other metal structure) to earth, which has a negative electrostatic potential. Grounding is designed to drain current in the event of a break...

Metal and hidden wiring detector: cable detection and DIY device creation Construction And Repair

During repairs or large-scale redevelopment, it is advisable to know where the wires, fittings and water supply pipes pass. The location of the communications must be taken into account if you just...