PR and Marketing

Daria Getsman

Daria Getsman

Head of External Relations


The transformer for Triol AT27. New about known or “The last whale hunt”


The increasing importance of energy efficiency has brought drive makers to promote a variety of schemes that improve motor performance.

A thorough understanding of how to match the VFD to the driven load is the key to a successful application. When applied properly, the variable frequency drive (VFD) is the most effective motor controller in the industry today. Modern VFDs are affordable and reliable, have flexibility of control, and offer significant electrical energy savings through greatly reduced electric bills.
Developing the project and expanding the range of proposals in terms of power and the number of cells, increasing reliability and optimizing the functionality, we have studied the ideas to improve the cells, the high-voltage compartments, ventilation, etc., but for the transformer. We perceived this part of the drive as long-studied and not in need of modernization. There was a question: “What can we improve in a transformer compartment, one of the multi-level frequency drive whales?” The answer is obvious – the transformer itself.
In 2005 the magnetic cores manufacturing technology Unicore appeared. The essence is that the manufacture of the magnetic tape was produced locally at multiple sites along the length of the magnetic tape. “Highlight” technology known as follows: the magnetic core halves docked assembly not executed in the same plane (as in the conventional technique), which in turn leads to a drastic decrease in the magnetic loss and improves its performance.
We started with the development of the transformer for the 320 kW frequency drive Triol AT27-M25-6 / 6.
Subsequently, dry-type transformers can be applied in all branches of power electronics.

Triol Corporation combines all known efficient solutions for variable frequency drives and motor technologies to make your life easier.

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