Most differential protection relays are current differential relays in which vector difference between the current entering the winding and current…

Differential protection is based on the fact that any fault within electrical equipment would cause the current entering it, to…

Following are the minimum information and Data which to be shown on a transformer nameplate. The standards require the following…

As the size and capacity of the transformer increased, the associated cooling arrangement become more powerful and sophisticated. So, by…

The electrical winding and the magnetic core in a transformer are subject to a number of different forces during operation,…

The main principle of operation of a transformer is mutual inductance between two circuits which is linked by a common…

There are three main parts of a power transformer. 1. Primary winding of transformer – which produces magnetic flux when…

Power transformers need to be protected from damages caused by internal and external faults. Power transformer can be protected from…

Two types of faults occur in power transformer i.e. external and internal electrical faults.External Faults in Power Transformer: (a) External…

POWER TRANSFORMER “A Power transformer is a static machine used for transforming power from one circuit to another circuit without…