Difference between Core and Shell type transformer

Core type transformer and shell type transformer are the types of transformer based on construction differences. In this article, we will see the difference between core and shell type transformer based on the iron requirement, conducting material requirement, leakage flux, maintenance, natural cooling, types of winding usage, applications, etc. Let us see the difference between … Read more

All day Efficiency of Transformer

The all day efficiency of transformer is related to the distribution transformer. It is used to find the efficiency of the distribution transformer. As we know that efficiency of a transformer is given by the ratio of output power to the input power. This is true when a transformer is subjected to the same load … Read more

Difference between Power transformer and Distribution transformer

Power transformer and distribution transformer are two types of transformer. Both transformers have different features. In this article, we will learn the difference between power and distribution transformer. The main difference between power transformer and distribution transformer is that power transformer operates during load period whereas distribution transformer operates in both load and no-load period. … Read more

Different Types of Transformer

A transformer is an important electrical device used in transmission and distribution systems. It step-up or step-down voltage or current. There are different types of transformer used for different applications. In this article, we will see transformer types and their important features. Different Types of transformer The transformer can be classified as (1). Based on … Read more

Transformer Rating

A transformer is a commonly used device used to step up or step down voltages in the transmission and distribution of electricity. The transformer rating is decided by the manufacturer. The manufacturer put a name plate on a transformer. This name plate has voltage rating, current rating, VA rating, and frequency rating written on it. … Read more

How to Test a Transformer?

A transformer is an important transmission unit as part of a strong and complex power system that supplies electricity to a large number of industrial and domestic energy consumers. Such a unit must be reliable and serviceable for a long time so that there is no deficiency in the useful work of industrial users, and … Read more

Dot Convention in Transformer

The Dot convention is a type of polarity marking for transformer windings which describes the phase relationships in the transformer schematic diagrams. In this, the dots are mentioned on the primary and secondary windings of the transformer. By convention, the dot represents the positive polarity. Before we learn dot convention in transformer, first see the … Read more

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