Open Delta Connection of Transformer
When two single phase transformer is connected in open delta connection the arrangement can provide three phase supply to the load. The open delta connection … Read more
power transformer
Core Type Transformer – Construction & Working
The transformer can be categorized into core type and the shell type.In a core type transformer the winding encircles the core whereas in a shell type transformer the core encircles the winding. The winding encircles the core of a transformer. The Single phase transformer has two limbs and three phase transformer has three limbs.
Transformer Oil | Testing, Types and Properties
Transformer Insulating Oil is used in the transformer for insulation and cooling purpose. The transformer oil is obtained by fractional distillation and subsequent treatment of … Read more
Why transformer rated in KVA, Not in KW?
The transformer is rated in KVA and not in KW. The transformer supplies power to electrical loads like motors,heaters. The electrical loads have their own … Read more
Acidity Test of Transformer Oil
The transformer oil is used for insulation and cooling purpose in a transformer. Acidity Test of Transformer oil is very important test for analyzing the oxidation … Read more
Dissolved Gas Analysis Test of Transformer Oil
Dissolved gas analysis test of transformer oil is a tool to detects gases dissolved in the oil for diagnostics in order to detect incipient faults. … Read more
Eddy Current Loss Formula
What is eddy current? When the conductor is placed in the varying magnetic field the localized current starts flowing in the conductor is called the … Read more
How to Calculate NGR Resistance Value?
What is NGR ? NGR-Neutral Grounding Resistance. NGR is used to limit the ground fault current to the equipment safe operating current range to protect … Read more
Transformer Basics & Its Working Principle
What is a Transformer? The transformer is a static device that transfers electrical energy from one circuit to another circuit without altering the frequency. The … Read more
Efficiency of Transformer
The transformer is a vital link between the load and the supply. The efficiency of transformer is very important in view of energy saving.The transformer … Read more
