Regulation of electrical equipment

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How to determine the start and end of the winding phases of an induction motor. Useful for electrician: electrical engineering and electronics

If, for example, the passport of the electric motor indicates 220 380 V, this means that the electric motor can be switched on as...

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Determining the transformation ratio of power transformers «Useful for an electrician: electrical engineering and electronics

The transformation factor (K) is the ratio of the HV winding voltage to the LV winding voltage when the transformer...

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Dielectric loss tangent, dielectric loss index measurement. Useful for electrician: electrical engineering and electronics

Dielectric losses are the energy dissipated in an insulating material under the influence of an electric field on it. The ability of a dielectric to dissipate...

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Testing capacitors. Useful for Electrical Engineering: Electrical and Electronics Engineering

Measurement of insulation resistance of capacitors. When testing power capacitors, the insulation resistance is measured with a megohmmeter for a voltage of 2500...

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Regulation of electric drives with relay-contactor control. Useful for electrician: electrical engineering and electronics

For commissioning production, you need: schematic diagrams, external connection diagrams, assembly and schematic diagrams of...