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Maschinenfabrik Reinhausen GmbH

Falkensteinstr. 8, 93059 Regensburg
Telephone +49 941 40900
Fax +49 941 40907001

Hall map

ENERGY STORAGE EUROPE 2020 hall map (Hall 1): stand E16

Fairground map

ENERGY STORAGE EUROPE 2020 fairground map: Hall 1

Our range of products

Product categories

  • 06  Storage Systems
  • 06.01  Grid-Connected Systems
  • 06.01.02  Storage for Integration into Distribution Networks

Our products

Product category: Storage for Integration into Distribution Networks

On-load tap-changers (OLTC) for regulating transformers

For about 80 years now we have been manufacturing on-load tap-changers and we still keep coming up with epoch-making innovations.
The VACUTAP® series, just one example, with its vacuum switching technology for on-load tap-changers in oil-immersed and dry-type transformers. This is now the most common form of technology in reactor-type tap-changers and has revolutionised resistor-type tap-changers. We have been using this technology since the 1980´s and are continuously refining it thus bringing you advantages such as no service requirements before 150,000 to 500,000 switching operations, drastically reduced running costs for the whole physical life, increased availability of the transformer, no oil carbonization, no replacement of contacts and no oil filter systems - to mention but a few of the many benefits.

To a great extent the OILTAP® - program with its conventional tap-changer technology (arcing contacts in oil) and already well-known to you, is still available as an alternative.

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Product category: Storage for Integration into Distribution Networks


De-energized tap-changer (DETC) are used for voltage adjustment in oil-immersed transformers. In contrast to on-load tap-changers, de-energized tap-changers can operate only when the transformer is deenergized.

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Product category: Storage for Integration into Distribution Networks


Measuring, controlling, regulating and monitoring - the TAPCON® voltage regulators offer all these functions in one unit.
Voltage regulators of the TAPCON® range have represented uncompromising reliability for more than 40 years. This is yet another reason why Maschinenfabrik Reinhausen (MR) is the market leader in the voltage regulation sector. Its extensive experience is now concentrated in the latest TAPCON® generation which offers maximum flexibility for current and future requirements. In addition to simple regulating tasks, the TAPCON® also controls complex special applications such as three-winding transformers, transformer banks, phase shifters and shunt reactors. The modular system means that the regulator’s performance range can be matched exactly to requirements in each case.

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About us

Company details

MR: Success in global niches
Regulated voltage for a reliable energy supply

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