Recent Deliveries

7 500 kVA and 15 000 kVA, KFAF-cooling, Special Transformers

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We are happy to announce the delivery of two new special transformers for an end-user located in United States of America.

The units are 7.5 MVA and 15 MVA with a broad range of primary voltage tappings between 4 160 V and 14 411 V at 60 Hz to enable the desired operation in the test filed.

The transformers are equipped with Alfa Laval heat exchangers for allowing a special customized design.

Each transformer has 3 motor drives for motorized operation of the off-circuit tap changers.

The cooling liquid is Envirotemp FR3 fluid which is a natural ester derived from renewable vegetable oils providing improved fire safety and environmental benefits.

This project demonstrates that BTB Plaza is capable of supplying special transformers for demanding needs.

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BTB Plaza Ltd

Choraeusgatan 13
Phone : +358 6 7210 222
Fax: +358 9 2319 4343
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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