Why is the core of a power transformer grounded?
Transformer is a static piece of equipment and it has primary and secondary winding. The low voltage winding has few turns of wire wound around … Read more
Transformer is a static piece of equipment and it has primary and secondary winding. The low voltage winding has few turns of wire wound around … Read more
What is Exciting current? The exciting current in the transformer produces the magnetic flux in the core. When energizing transformer at no load, transformer draws … Read more
The no-load current of a transformer is the vector sum of the exciting current and core loss current of the transformer. Why Losses in a … Read more
In this post, we will discuss the difference between Active and Passive components. We can differentiate active & passive components on the basis of the … Read more
What is a Dry Type Transformer? A dry-type transformer does not use any liquid for its cooling and insulation. An oil-filled transformer uses mineral insulating … Read more
The transformer does not generate harmonics.The transformer has primary and secondary winding which are inductive in nature. The inductive load draws current linearly with … Read more
Therefore,The transformer functions in the Faraday’s Law of electromagnetic induction. When AC is applied to primary of the transformer EMF induced in the primary which … Read more
The differential relay is used for protection of transformer ,alternator and large rating HT motor. The differential protection scheme is also known as a zone … Read more
Transformer transforms voltage from one level to other level without changing the power and frequency. Transformer is a static electrical equipment and it does not … Read more
What is an Ideal Transformer? A transformer which is free from all the losses is called an ideal transformer. It has zero copper loss, zero … Read more