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Archive: Category «Transformers»

Understanding Transformer Polarity

With power or distribution transformers, polarity is important only if  the need arises to parallel transformers to gain additional capacity or to  hook up three single-phase transformers to make a… Read more

Sep 23, 2011 | Edvard

Autotransformers in few words

It is possible to obtain transformer action by means of a single coil, provided that there is a “tap connection” somewhere along the winding. Transformers having only one winding are… Read more

Aug 19, 2011 | Edvard

Autotransformers in few words

Life Cycle Cost of Transformers

To perform the economical analysis of transformer, it is necessary to calculate its life cycle cost, sometimes called total cost of ownership, over the life span of transformer or, in… Read more

Aug 06, 2011 | Edvard

Old substation transformers

GEAFOL – cast-resin transformer

The Siemens’s transformer GEAFOL principle has succeeded in producing transformers with excellent electrical, mechanical and thermal characteristics, which have also proved to be particularly compatible with the environment. GEAFOL transformers… Read more

May 27, 2011 | Edvard

Siemens's cast-resin transformer 'GEAFOL'

Where to put transformer?

With electric wires being strung at the tops of poles to keep them out of the reach of the general public, it is obvious that transformers would be hung on… Read more

May 02, 2011 | Edvard

Overhead pole transformer

Current transformers (CTs) in a few words

A current transformer is defined as as an instrument transformer in which the secondary current is substantially proportional to the primary current (under normal conditions of operation) and differs in… Read more

Mar 18, 2011 | Edvard

Cross-sectional view of the panel and multifunctional CT


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