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Archive: Category «Transformers»

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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

How to choose transformer rating?

When an installation is to be supplied directly from a MV/LV transformer and the maximum apparent-power loading of the installation has been determined, a suitable rating for the transformer can… Read more

Mar 12, 2011 | Edvard

Risk and Consequences Of Transformer Fire

The risk of a catastrophic fire with a properly inspected, tested, and maintained transformer is small. Proper maintenance and thorough testing of the transformer will prevent or detect many events… Read more

Feb 07, 2011 | Edvard

Risk and Consequences Of Transformer Fire

Price Of A Transformer

Today the production of transformers is characterised by a large variety of designs, manufactured in relatively short batches to meet the demands of a variety of customers with ever-changing expectations…. Read more

Jan 26, 2011 | Edvard

Price Of A Transformer

NEMA TP1 Energy Efficiency Standard

Most commercial and industrial facilities require several low-voltage transformers to decrease the voltage received from the utility to the voltages used by various loads such as lighting, computers and other… Read more

Jan 08, 2011 | Edvard

NEMA TP1 Energy Efficiency Standard

Transformer Losses Standards

Unlike many countries around the world, Europe has no mandatory standard on energy efficiency of distribution transformers. The two main documents which describe losses in transformers are: the European Standard… Read more

Jan 07, 2011 | Edvard

Transformer Losses Standards
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