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Technical knowledge.

Technical articles on electrical transformers, energy efficiency, standards and industry best practices.

Technical article
Efficiency February 2026

High-efficiency transformers: when is the investment worth it?

Analysis of the economic return of DOE/EU 548-2014 transformers based on load regime, energy cost and expected service life.

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Technical article
Standards December 2025

Differences between IEC 60076-11 and IEEE C57.12: a practical guide

A comparison of the two standards most used in the region for specifying dry-type transformers. When to choose each one.

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Technical article
Design October 2025

Transformer derating: altitude, temperature and pollution

How site conditions affect transformer sizing and why standard catalogues aren't always enough.

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