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 …

The Effect of Earthing Methods

Earthing the System Neutral Most earthed systems employ some method of earthing the system neutral at one or more points. Effectively Earthed System A system is effectively earthed when the …