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Diagnostic Measurements for Power Transformers

• Stefan Tenbohlen, Sebastian Coenen, Mohammad Djamali, Andreas Müller, Mohammad Hamed Samimi, Martin Siegel
• 2016

With the increasing age of the primary equipment of the electrical grids there exists also an increasing need to know its internal condition. For this purpose, offand online diagnostic methods and… (More)

Application of UHF sensors for PD measurement at power transformers

• Martin Siegel, Michael Beltle, Stefan Tenbohlen, Sebastian Coenen
• IEEE Transactions on Dielectrics and Electrical…
• 2017

The reliability of electrical energy networks depends on both, the quality and reliability of its electrical equipment, e.g. power transformers. Local failures inside their insulation may lead to… (More)

Localization of PD Sources inside Transformers by Acoustic Sensor Array and UHF Measurements

• Sebastian Coenen, Stefan Tenbohlen, Falk-Rüdiger Werner, Sacha Markalous
• 2010

Healthy power transformers are crucial components with regard to the reliability of electrical energy networks. Their insulation system condition is amongst others diagnosed with partial discharge… (More)

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