Always up to date in transformer technology

6. July 2022

Isolating transformers – TRAMAG products explained

Isolating transformers with protective separation TRAMAG products explained transform Isolating transformers provide safety where reliable protective separation of circuits is necessary. They thus ensure the reliable and safe power supply […]

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29. June 2022

Medical technology transformers – TRAMAG products explained

Transformers for medical use are a special type of isolating transformer and are used to provide a safe power supply for medical systems and equipment in hospitals and doctors’ surgeries worldwide.

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20. June 2022

Quality assurance made by TRAMAG

Not only during the production itself, but also from the receipt of the materials to the packaging and shipping of the final products, our employees are trained to carefully monitor every process.

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10. June 2022

The testing process – made by TRAMAG

TRAMAG has stood for high-quality winding goods for almost 100 years. That is why all our products are 100% tested before they leave the factory.

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8. June 2022

Vacuum impregnation – made by TRAMAG

The impregnation process for transformers, chokes and filters is equivalent to an impregnation process of the winding material. TRAMAG uses synthetic resin of special viscosity as the impregnating agent, which hardens completely.

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31. May 2022

Sinusoidal filter – TRAMAG products explained

Just like dU/dt filters, Sinusoidal filters belong to the output filters, as they are also operated directly at the inverter output and before the connected drive units (motors).

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24. May 2022

dU/dt filters – TRAMAG products explained

dU/dt filters belong to the group of output filters, as they are used directly at the inverter output, upstream of the connected drive units – developed precisely to fit the individual drives system.

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16. May 2022

LCL filters – TRAMAG products explained

LCL filters are operated directly upstream of the converter to the grid feed-in side. They are used specifically for regenerative converter solutions, which is why they are also used primarily in the field of renewable energies in photovoltaics.

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4. May 2022

Connection technology – made by TRAMAG

The quality of transformers, chokes and filters depends to a large extent both on their materials and on how these materials are combined and connected.

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28. April 2022

Magnetic core technology – made by TRAMAG

Due to our own production of magnetic cores from electrical sheets, we can flexibly respond to customer requests in the given installation space and thus make transformers and chokes deeper, higher or wider, for example.

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19. April 2022

Coil winding – made by TRAMAG

Winding a coil so safely and precisely that it meets our customers’ requirements for an individual and specially developed transformer requires years of craftsmanship.

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5. April 2022

Air coils – TRAMAG products explained

Air coils are inductive winding goods without an iron core. They are mainly installed in test facilities and systems and used there as a test load, for example to test switching elements with high short-circuit resistance requirements.

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22. March 2022

Matching autotransformers – TRAMAG products explained

A special version of the matching transformers are our autotransformers. They are often installed in industrial furnaces to adjust local voltages.

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21. March 2022

Filter chokes – TRAMAG products explained

The 3-phase filter choke from TRAMAG forms an output filter together with an on-site C-circuit or an output choke without circuitry.

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16. March 2022

High-current transformers – TRAMAG products explained

High-current transformers are used to make welded joints in the cable industry. This welding process is subject to a very short duty cycle.

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9. March 2022

Line chokes – TRAMAG products explained

Line chokes are used in variable speed drive solutions and are installed between the line input and the frequency inverter. Their task is to protect the inverter input side.

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27. January 2022

Relaunch TRAMAG Website

We hope that our passion for the world of transformers, chokes and filters will also make your online visit to our newly designed website an informative experience.

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26. January 2022


PCIM Europe is the leading international trade fair for power electronics, intelligent drive technology, renewable energy and energy management. Visit us in Nuremberg from 10-12 May 2022.

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English content coming soon!

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