عرض المشاركات من أبريل, 2021

Voltage regulation of transformer

Definition of Voltage Regulation The primary voltage of any transformer is kept constant and as the load increases, the secondary terminal voltage decreases. This voltage drop is due to the resistance reaction of the transformer…

Equivalent Resistance Formula

Find the equivalent resistance between a and b Both the coils of the transformer have resistance. There is no electrical connection between the coils. Theoretically, the resistance of one circuit is transferred to another circui…

Core type | shell type transformer | Spiral core type

Core type and shell-type transformer | Spiral core type Structure of Core Type Transformer (Single Phase): The core of this type of transformer is made of a number of rectangular (L) shaped laminated steel sheets in which the …

What is an auto transformer

What is an auto-transformer? Auto-transformer ( auto-transformer starter ) is a special type of transformer that has only one weighting. Some parts are used as primary and some parts are used as secondary. That is, the winding i…

Main parts of transformer

A transformer is an electric device that transfers auxiliary power from one circuit to another. It changes frequency and power. Only changes voltage and current. The voltage is increased by the step-up transformer and the voltag…

Open Circuit Test | Short Circuit Test

Why is the transformer tested? To find out the efficiency of the transformer , it is necessary to know the amount of core loss and copper loss The open circuit is tested to find out the core of the transformer, and the short cir…

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