Regulation of electrical equipment
How to measure the transformation ratio of current transformers. Useful for electrician: electrical engineering and electronics
The measurement of the transformation ratio of the current transformer is carried out to establish compliance with its passport and design...
How to correctly check the connection of grounded electrodes with grounded elements « Useful for an electrician: electrical engineering and electronics
Initially, when checking the connection of grounded electrodes to grounded elements, by tapping and checking, visible defects are revealed and...
How to measure capacitance and inductance
Measuring devices for direct evaluation of the value of the measured capacitance include microfaradmeters, the operation of which is based on the dependence of the current...
How to determine induction motor slip during setup and operation? Useful for electrician: electrical engineering and electronics
If the rotation frequency of the electric motor differs significantly from the synchronous one, it is measured with a tachometer or tachogenerator, which is...
Measurement of the resistance of the windings of electric motors to direct current. Useful for Electrical Engineering: Electrical and Electronics Engineering
The purpose of measuring the resistance of the motor windings to direct current is to identify defects (poor connections, circuits...
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