Regulation of electrical equipment
Approximate methods for calculating heaters «Useful for an electrician: electrical engineering and electronics
In practical calculations, approximate methods for calculating heaters are often used, based on the use of experimental data (in the form of...
Specific electrical resistance of water. Useful for electrician: electrical engineering and electronics
As a rule, water is supplied to the heating installations of the electrode from natural sources. The suitability of water for a certain technological process...
Dielectric heating. Useful for Electrical Engineering: Electrical and Electronics Engineering
Dielectric heating refers to the heating of dielectrics and semiconductors in an alternating electric field, under the influence of which the heated material...
Electric contact heating systems.Useful for electrician: electrical engineering and electronics
Electric contact heating by resistance is used for heating, contact welding, lamination in the restoration of worn parts and heating pipelines....
Sources and networks of direct working current. Useful for electrician: electrical engineering and electronics
In substations, for powering operating DC circuits, as a rule, storage batteries (stationary and portable) are used, and in some...
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Why is electric current dangerous?