Construction And Repair
Electrical safety of premises: protection against electric current, classification of hazardous and highly hazardous premisesConstruction And Repair
Electrical equipment in industrial plants is used everywhere. It boosts production and reduces manual labor. But such devices are dangerous to human health due to the possibility of electric shock....
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Assembly of electrical panels: types of devices and their classification, rules for installing equipment in an apartmentConstruction And Repair
Today, almost every apartment uses a large number of household electrical appliances. In order to properly distribute and balance the load on the electrical network from them, it is necessary to di...
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PPE twisting: insulation of electrical wires with caps, design features of twistsConstruction And Repair
During operation, any wires are exposed to stress and heat. Therefore, for a high-quality supply of an enterprise or a private house with current, a tight contact between the wires is necessary. Th...
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How many electrical safety groups there are, what is the admission to them, who is assigned group 3Construction And Repair
Despite the fact that each of us has a diploma of graduation, we have to take or confirm some practical skills as needed. For example, the same driver's license is not given in institutes, colleges...
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Electric capacitor: how it works and why is it needed in the AC and DC circuitsConstruction And Repair
In almost all electronic devices, from the simplest to high-tech, such as motherboards of computers, you can find one invariably present element, which is passive component. But unfortunately, few ...
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Capacitor classification principle: main types and types, characteristics and descriptionsConstruction And Repair
The capacitor is presented in the form of an electronic component, consisting of 2 plates, between which there is a dielectric. The classification of capacitors is based on the material for the man...
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Charge on capacitor plates: physics of processes and calculation formulaConstruction And Repair
A capacitor is a fundamental electronic component (along with a resistor and an inductor) for storing electrical energy. The best analogy for its operation would be a comparison with a battery. How...
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Niobium capacitors: design features, properties and markingsConstruction And Repair
In electrical and radio engineering, you cannot do without the use of capacitors. If in the first case the main requirement is reliability and durability, then in the second case, special attention...
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Capacitor in the AC circuit: the principle of operation of the device, reactive electricityConstruction And Repair
A capacitor in an AC or DC circuit, which is often called simply a conductor, consists of a pair of plates covered with a layer of insulation. If current is applied to this device, it will receive ...
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Starting capacitor: differences from the working one and connecting electric motorsConstruction And Repair
An asynchronous three-phase motor can be connected without much damage to a conventional single-phase electrical network through capacitors. With their help, the launch and achievement of the requi...
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