Regulation of electrical equipment
Resistances, conductances and equivalent circuits of power lines. Useful for electrician: electrical engineering and electronics
Power lines have active and inductive resistance and active and capacitive conductance evenly distributed along their length. In practical electrical calculations,...
Resistances, conductances and equivalent circuits of transformers and autotransformers. Useful for electrician: electrical engineering and electronics
A two-winding transformer can be represented by a T-shaped equivalent circuit. The current in the conduction of the transformer is very small...
Daily load schedules for residential buildings. Useful for electrician: electrical engineering and electronics
The operating modes of household electrical appliances are different. They vary depending on the purpose and use of these devices...
Schemes of external (internal three-quarter) supply lines. Useful for electrician: electrical engineering and electronics
To understand the principles of building intranet schemes, one cannot ignore the schemes of intra-neighbor...
Minimum allowable voltage of the receivers. Useful for electrician: electrical engineering and electronics
The voltage at the terminals of electric motors under normal conditions should not differ from the nominal by more than 5%. Decrease...
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Why is electric current dangerous?