Operating Transformers in Parallel

When power transformers are connected in parallel, the aim is to increase the overall capacity of the power system, provide redundancy, and ensure load-sharing among the transformers. However, successful parallel …

Electrical Switching Transients

Basic Concepts and Simple Switching Transients The purpose of a power system is to transport and distribute the generated electrical energy from power plants to the consumers in a safe …

Why Wye-Wye Transformer Connection is Bad?

Transformer Primary Connections Transformer primaries are usually connected in delta. The wye connection is occasionally used and may or may not have its neutral grounded. If the transformer secondary is …

IEEE Transformers Categories

There are four (4) categories of transformers according to IEEE Std. C57.12.00 – IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers. Categories of Transformer Rating Category …