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Mains voltage 100-140 Volts
Mains voltage 100-140 Volts
Oct 28, 2021

The state of the networks in our country leaves much to be desired. The Stupinsky district of the Moscow region is famous for its voltage of 120-14...

How to make a pass-through switch with your own hands
How to make a pass-through switch with your own hands
Oct 28, 2021

Perhaps you may be interested in this topic, in which we will analyze in detail how to make a pass-through switch with your own hands. The goal of ...

Programs for calculating grounding - an overview of the best
Programs for calculating grounding - an overview of the best
Oct 28, 2021

We continue to consider the best software for electricians, and in this article I would like to focus on an overview of programs for calculating gr...

Automatic reserve input (ATS): purpose, types, scheme
Automatic reserve input (ATS): purpose, types, scheme
Oct 28, 2021

Even a modern power supply system is not always completely reliable. In cases of emergency situations, consumers may remain without energy, who a l...

Selectivity of electrical network protection - what is it?
Selectivity of electrical network protection - what is it?
Oct 28, 2021

Selectivity in electrical and power engineering is the most important concept, since its main function was, will be protection of electrical device...

Resonance of currents and voltages: conditions of occurrence and application
Resonance of currents and voltages: conditions of occurrence and application
Oct 28, 2021

The phenomenon of resonance of currents and voltages is observed in inductive-capacitive circuits. This phenomenon has found application in radio e...

Hysteresis in electrical engineering and electronics: what is it
Hysteresis in electrical engineering and electronics: what is it
Oct 28, 2021

In electrical engineering, there are various devices, the principle of which is based on electromagnetic phenomena. Where there is a core on which ...

Difautomat: device, principle of operation, purpose
Difautomat: device, principle of operation, purpose
Oct 28, 2021

The differential automatic device is a low-voltage combined electrical apparatus that combines the functions of two protective devices in one case ...

Anode and cathode: what are they, how to identify and remember them
Anode and cathode: what are they, how to identify and remember them
Oct 28, 2021

Among the terms in electrical engineering, there are concepts such as anode and cathode. This applies to power supplies, electroplating, chemistry ...

Active, reactive and apparent power in the AC circuit
Active, reactive and apparent power in the AC circuit
Oct 28, 2021

In DC circuits, power is not divided into different components, such as active and reactive, therefore, a simple expression P = U * I is used. But ...