Distribution transformers play an important role in the power system. In order to supply power uninterruptedly, they should work without any failure. To ensure these distribution transformers are tested periodically. …
In this article, you will learn three principle methods of magnetizing a steel bar. If a piece of iron or steel is brought near either of the poles of a …
A DC motor can be made using different types of armatures based on its application. There are 2 types of armatures. Gramme Ring Armature Drum Wound Armature Gramme Ring Armature …
Three-phase transformers are used in three-phase circuits to step up and step down the voltage according to the needs in a power system. You know that electric power is generated …
Open Delta Connection is a method of transformer connection used to transform three-phase power using two single-phase transformers. In this article, you will learn how this connection is done and …
The electromagnetism lecture notes is a book to provide an introduction to Electromagnetism for Electrical and Electronics Engineers. These are compiled by David Tong, Department of Applied Mathematics and Theoretical …
This is the complete guide to learn electrical engineering basics in 2020. The study of electrical engineering involves the analysis of the energy transfer from one form to another or …
An amplidyne is an electromechanical amplifier with the characteristics of a rotating machine. It was invented prior to the second world war by Ernst Alexanderson. An amplidyne is a special-purpose …
This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. The results of this test should compare directly to the …
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