High-voltage - DC - power units

High-voltage - DC - power units

Our maintenance-free transformer rectifier units are installed in a hermetically sealed oil boiler without gas cushions. An expansion vessel is not required, so that the insulating liquid cannot absorb any moisture from the ambient air and does not age. The volume expansion of the insulating liquid heated during operation is absorbed in the elastic steel cooling fins. Our design guarantees absolutely maintenance-free operation for many years. A maintenance-intensive cooling fan, the cleaning of filter mats, the taking of oil samples or similar is not necessary.

Each system delivered by us is tested in our test field under realistic conditions with flashovers for at least 10 hours. Our delivery includes a complete test report and extensive documentation. So you can be sure that your plant will function trouble-free for many years.


12 July 2016


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