Power transformers that are operated for 50 or more years are not unusual in network operation. With the innovative VACUTAP VM, Maschinenfabrik Reinhausen is offering a new on-load tap-changer that is ideally suited to this long service life. The retrofitable innovation in vacuum switching technology minimizes maintenance requirements, upto maintenance-free operation. The VACUTAP VM's unique arc control and step protection system protects against damages to the tap-changer and transformer. The safe and reliable operation of electrical transmission networks places ever increasing demands on voltage and load flow control. An increase in efficiency is high on the agenda. Maschinenfabrik Reinhausen GmbH offers an effective response to these, rather contradictory goals with the new VACUTAP VM. The core field of application of the innovative on-load tap-changer in vacuum switching technology is in transformers from 30 to 200 MVA & the voltage levels of 110 to 230 kV that are typical in the transmission network. It can also be used to full potential in arcing furnaces, high-voltage direct-current transmission, electrolysis, rectifier & phase shifter applications. It is effective when used in new transformers as it is in existing oil transformers that have been modernized.
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