Tag: Transformer
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Features and Applications of Instrument Transformers
Instrument transformers are used in the measurement of voltage, current, energy, and power in ac circuits. The main reasons why instrument transformers are employed in measurements are: In power systems, the levels of currents and voltages handled are very high, and therefore direct measurements with conventional instruments is not possible without compromising the operator safety,…
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Step by Step Guide: How to Check and Test a Power Transformer
Testing of power transformers is continuous monitoring of faults in all units of such equipment and their timely removal after detection. All this is achieved with one objective continuation of the continuous activity of a significant node in the power supply system of many energy consumers. A variety of tests are used to determine the…
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Ideal Transformers
A transformer consists of several coils wound on a common core that usually consists of laminated iron (to reduce eddy-current loss). Transformers are usually used to adjust the values of ac voltages. A transformer can step up or step down voltage. Transformers are used in electric power distribution. To transport power over long distance, large…
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Transformers
A transformer is a device used to change the relative amplitudes of voltages and current in an AC circuit. A transformer consists of primary and secondary windings whose magnetic fluxes are linked by a ferromagnetic core. The principle of working of a transformer is based on the fact that two coils that are wound on…