Many people who contact us ask roughly the same question: How should I choose a transformer? An easy way to get closer to a decision is to click on the tab Calculation help. Here we have collected four different calculations that we hope will make life easier for you. In the first, you can compare the costs of energy lossesdepending ...
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Ester oil – for safer and more durable oil-insulated transformers
Did you know that there is a more environmentally friendly alternative to mineral oil for your liquid-insulated transformer? An liquid-insulated transformer can be filled with ester oil instead of traditional mineral oil. Ester oil is 98% pure vegetable oil from ...
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PPP systems save the environment in our ports
For a long time, larger ships have relied on on-board generated power when at berth. But oil-burning engines pose significant environmental problems – polluted air, noise and vibration. For ships of these sizes, such as container ships and cruise liners, ...
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Oil-insulated shunt reactor for a safer grid
Shunt reactors are used where it is necessary to keep the voltage at a stable level in power networks with long transmissions, both above and below ground. Typical applications are wind farms, subways, urban distribution systems, industrial areas, etc. Shunt ...
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Manufacturing process with total control
The production capacity of Unitrafo’s partner GBE is growing steadily, largely thanks to the optimization of the manufacturing process in their three Italian factories. At each plant, cast resin and oil-insulated transformers are produced, as well as power transformers. One ...
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Transformers with reduced electromagnetic fields
The increasing electrification of society in recent years has put the spotlight on possible health risks caused by electromagnetic fields. The phenomenon is defined as ‘electromagnetic litter’ and is mentioned in the context of man-made electric, magnetic and electromagnetic fields. ...
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ATEX Special transformers – for installation in hazardous environments
Our supplier GBE is now working with the international certification laboratory TÜV for certification of a product series that will meet all requirements for installation in zone 2, category 3 of the EU directives ATEX. ATEX is the collective name ...
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E-Dry® – New range of transformers for high fire safety
The growing interest in a sustainable environment is nothing new for Unitrafo. For many years, we have tried to influence our customers to choose transformers with the lowest possible energy losses. As a result, today we almost exclusively sell environmentally ...
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Wide range of UL-CSA approved transformers for low voltage
For some time we have been cooperating with one of the few manufacturers in Europe that can offer standard transformers that are UL-CSA listed. The transformers are available in 1-phase versions up to 10 kVA and in 3-phase versions up ...
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