Terminology of Transformers


Power industry is growing more incredibly. The application of Transformers also increases from industries to house hold for various purposes.  We all come across specifications of the transformers at some point of time. Especially if you are looking to buy transformers you should be aware of the terms. Knowing some basic terms about transformers helps in selecting right transformer for your requirement.

Single Phase - Single phase transformer utilizes single phase alternating current and output single phase AC power. Used for household purpose.

Three Phase: Three phase transformers are made of three sets of primary and secondary windings used especially in power and distribution systems.



Rating: It is the capacity of a transformer i.e the maximum voltage for which transformer is designed. Expressed in kVA.

Impedance: It is the percentage of voltage drop in transformer on full load. Occurs due to winding resistance and leakage reactance.

Power factor : It is the ratio of working power to apparent power. It depends on the magnitude of load. It increases as load increases, with resistive load it goes upto 0.9 and more.

Efficiency : Efficiency of a transformer is the ratio of input power to output power. Most of the transformers will have full load efficiency of 95% to 98.5%.

Cooling Methods : Transformers generate large of amount during its operation and it is dissipated using coolant. Based on the coolant used transformers are classified into two types. Dry-type transformers use air as coolant and oil-filled transformers use oil as coolant.


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Visit: https://esennar.com
Phone: +91-8978171717


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