Publications

Martin Siegel, Christof Kattmann, Chandra Prakash Beura, Michael Beltle, and Stefan Tenbohlen. Partial Discharge Monitoring of Power Transformers by Calibrated UHF Measurements.. Journal of Energy, (72)42023. [PUMA: Calibrated Discharge Measurements Monitoring Partial Power Transformers UHF by of]

Stefan Tenbohlen, Chandra Prakash Beura, Wojciech Sikorski, Ricardo Albarracín Sánchez, Bruno Albuquerque de Castro de Castro, Michael Beltle, Pascal Fehlmann, Martin Judd, Falk Werner, and Martin Siegel. Frequency Range of UHF PD Measurements in Power Transformers.. Energies 2023, (16)3January 2023. [PUMA: Frequency Measurements PD Power Range Transformers UHF in of]

Stefan Tenbohlen, Chandra Prakash Beura, and Martin Siegel. Condition Assessment of Power Transformers by UHF PD Measurements. 2022. [PUMA: Assessment Condition Measurements PD Power Transformers UHF by of]

Stefan Tenbohlen, Chandra Prakash Beura, and Martin Siegel. Increase of Reliability of Power Transformers by Calibrated UHF PD Measurements in FAT and SAT.. October 2021. [PUMA: Calibrated FAT Increase Measurements PD Power Reliability SAT. Transformers UHF and by in of]

Chandra Prakash Beura, Michael Beltle, and Stefan Tenbohlen. Influence of Dielectric Window on the Performance of Window-type UHF PD Sensors. 561, 2020. [PUMA: Dielectric Influence PD Performance Sensorssend:unibiblio UHF Window Window-type of on thesend:unibiblio]

Chandra Prakash Beura, Michael Beltle, Stefan Tenbohlen, and Martin Siegel. Quantitative Analysis of the Sensitivity of UHF Sensor Positions on a 420 kV Power Transformer Based on Electromagnetic Simulation. Energies 2020, (13)32020. [PUMA: 420 Analysis Based Electromagnetic Positions Power Quantitative Sensitivity Sensor Simulationsend:unibiblio Transformer UHF kV]

Sebastian Coenen, Martin Siegel, Michael Beltle, Stefan Tenbohlen, Stefan Hoek, P. Fehlmann, R. Schwarz, T. Linn, U. Kempf, M. Weber, and Jitka Fuhr. Proposal of a Calibration Methodology of UHF Partial Discharge Measurements for Power Transformers. 2020. [PUMA: Calibration Discharge Measurements Methodology Partial Power Proposal Transformerssend:unibiblio UHF a for of]

Philipp Wenger, T. Götz, K. Backhaus, Stefan Tenbohlen, and Uwe Riechert. Partial Discharge Analysis in Gas-Insulated HVDC Systems Using Conventional and Non-Conventional Methods. 2020. [PUMA: 60270 GIS HVDC IEC PD UHF free high imaging measurement metallic moving particle protrusion speedsend:unibiblio] URL

Stefan Tenbohlen, Siegel Siegel, Sebastian Coenen, Michael Beltle, U. Kempf, Stefan Hoeck, M. Weber, R. Schwarz, Jitka Fuhr, P. Fehlmann, and T. Linn. Calibration of UHF PD Measurements for Power Transformers. 2019. [PUMA: Calibration Measurements PD Power Transformers UHF]

Chandra Prakash Beura, Michael Beltle, and Stefan Tenbohlen. Attenuation of UHF Signals in a 420 kV Power Transformer based on Experiments and Simulation. 2019. [PUMA: 420 Power Signals Simulation Transformer UHF kV]

Stefan Tenbohlen, Martin Siegel, Michael Beltle, and Sebastian Coenen. Calibration of UHF Partial Discharge Measurements for Power Transformers. 2019. [PUMA: Calibration Discharge Measurements Partial Power Transformers UHF]

Stefan Tenbohlen, and Martin Siegel. UHF Partial Discharge Measurement for Acceptance Tests of Power Transformers. 2019. [PUMA: Acceptance Discharge Measurement Partial Power Tests Transformers UHF]

Sacha Markalous, Stefan Tenbohlen, and Kurt Feser. Improvement of acoustic detection and localization accuracy by sensitive electromagnetic PD measurements under oil in the UHF range. 2005. [PUMA: PD UHF accuracy acoustic detection electromagnetic localization measurements oil range sensitive] URL

Stefan Tenbohlen, Stefan Hoek, Denis Denissov, R. Huber, Uwe Riechert, Sacha Markalous, Thomas Strehl, and Thomas Klein. Electromagnetic (UHF) PD Diagnosis of GIS, Cable Accessories and Oil-paper Insulated Power Transformers for Improved PD Detection and Localization. 2006. [PUMA: Accessories Assessment Cable Condition GIS On-site PD-Measurement Power Transformers UHF] URL

Sebastian Coenen, Stefan Tenbohlen, and Sacha Markalous. Detection of Partial Discharges in Power Transformers using UHF PD Measurements and Acoustic Measurements. 2007. [PUMA: Acoustic Detection Discharges Measurement PD Partial Power Transformers UHF] URL

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Performance Check and Sensitivity Verification for UHF PD measurements on power transformers. 2007. [PUMA: Check PD Performance Sensitivity UHF Verification measurements power transformers] URL

Denis Denissov, Ruben Grund, Thomas Klein, Wolfgang Köhler, and Stefan Tenbohlen. UHF Partial Discharge Diagnosis of Plug-in Cable Terminations. 2007. [PUMA: Cable Diagnosis Discharge Partial Plug-in Terminations UHF]

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Sensitivity of UHF PD Measurements in Power Transformers. IEEE Transactions on Dielectrics and Electrical Insulation, (15)6:1553-1558, 2008. [PUMA: Measurements PD Power Sensitivity Transformers UHF]

Denis Denissov, Wolfgang Köhler, Stefan Tenbohlen, Ruben Grund, and Thomas Klein. Simulation of UHF PD wave propagation in plug-in cable terminations. 547-550, 2008. [PUMA: PD UHF cable plug-in propagation terminations wave] URL

Denis Denissov, Wolfgang Köhler, Stefan Tenbohlen, Ruben Grund, and Thomas Klein. Wide and narrow band PD detection in plug-in cable connectors in the UHF range. 2008. [PUMA: Cable UHF diagnostics discharge narrowband on-line partial termination wide] URL

Stefan Hoek, Sebastian Coenen, M. Bornowski, and Stefan Tenbohlen. Fundamental Differences of the PD Measurement according to IEC 60270 and in UHF range. 2008. [PUMA: (GIS) IEC IEC60270 UHF discharge gas insulated measurement of partial sensitivity standard switchgear the verification] URL

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Attenuation of UHF signals regarding the Sensitivity Verification for UHF PD Measurements on Power Transformers. 2008. [PUMA: Check Detection Discharges Frequency High Method Partial Power Probe Sensitivity Transformer UHF Ultra Unconventional] URL

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Sensitivity of UHF PD measurements. 2008. [PUMA: PD Sensitivity UHF measurements] URL

Sebastian Coenen, Maximilian Heindl, Anne Pfeffer, Stefan Tenbohlen, and Sacha Markalous. On Site Experiences with Multi-Terminal IEC PD Measurements, UHF PD Measurements and mixed UHF and Acoustic PD Localisation. 2009. [PUMA: Acoustic Experiences IEC Localisation Measurements Multi-Terminal On PD Site UHF mixed] URL

Anne Pfeffer, Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Onsite experiences with multi-terminal IEC PD measurements and UHF PD measurements. 2009. [PUMA: IEC PD UHF measurements multi-terminal] URL

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Sensitivity Limits of UHF PD Measurements on Power Transformers. 2009. [PUMA: Limits Measurements PD Power Sensitivity Transformers UHF] URL

Sebastian Coenen, Stefan Tenbohlen, Sacha Markalous, and T. Strehl. Fundamental Characteristics of UHF PD Probes and the Radiation Behavior of PD Sources in Power Transformers. 2009. [PUMA: Behavior PD Power Probes Radiation Sources Transformers UHF] URL

Alexander Troeger, Uwe Riechert, Simon Burow, and Stefan Tenbohlen. Sensitivity Evaluation of Different Types of PD Sensors for UHF-PD-Measurements. 2010. [PUMA: PD-Measurement Sensitivity Sensors UHF] URL

Stefan Hoek, Maik Koch, and Maximilian Heindl. Propagation Mechanisms of PD Pulses for UHF and Traditional Electrical Measurements. 2010. [PUMA: 60270 Discharges Frequency High IEC PD Partial UHF Ultra and conductor dispersion guided mechanisms propagation simulation theory wave] URL

Sebastian Coenen, Stefan Tenbohlen, Falk-Rüdiger Werner, and Sacha Markalous. Localization of PD Sources inside Transformers by Acoustic Sensor Array and UHF Measurements. 2010. [PUMA: Acoustic Array EC60270 PD Power Sensor UHF discharge localization partial transformer] URL

Stefan Tenbohlen, Anne Pfeffer, and Sebastian Coenen. On-site Experiences with Multi-Terminal IEC PD Measurements, UHF PD Measurements and Acoustic PD Localisation. 2010. [PUMA: Acoustic Experiences IEC Localisation Measurements Multi-Terminal On-site PD UHF]

Stefan Tenbohlen. On site Measurement of Partial Discharges – Experiences with multi-Terminal IEC PD measurements, UHF PD measurements and Acoustic PD Localisation. 2010. [PUMA: Acoustic Discharges IEC Localisation Measurement On PD Partial UHF measurements multi-Terminal site]

Stefan Tenbohlen, Anne Pfeffer, and Sebastian Coenen. On-site Partial Discharge Measurement in Power Transformers by UHF Sensors. 2011. [PUMA: Discharge Measurement On-site Partial Power Sensors Transformers UHF]

Sebastian Coenen, Andreas Müller, Michael Beltle, and Stefan Kornhuber. UHF and Acoustic Partial Discharge Localisation in Power Transformers. 2011. [PUMA: Acoustic Discharge Localisation Partial Power Transformers UHF] URL

Andreas Müller, Michael Beltle, Sebastian Coenen, and Stefan Tenbohlen. Correlation of DGA, UHF PD Measurement and Vibration Data for Power Transformer Monitoring. 2011. [PUMA: DGA Data Measurement Monitoring PD Power Transformer UHF Vibration] URL

Stefan Hoek, Maik Koch, and Maximilian Heindl. Distribution and Propagation Mechanisms of PD Pulses for UHF and Traditional Electrical Measurements. 2011. [PUMA: Distribution Electrical Measurements Mechanisms PD Propagation Pulses Traditional UHF] URL

Stefan Hoek, Maik Koch, and Maximilian Heindl. Emission and Propagation Mechanisms of PD Pulses for UHF and Traditional Electrical Measurements. International Journal on Electrical Engineering and Informatics (IJEEI), (4)3:393-404, October 2012. [PUMA: Electrical Emission Measurements Mechanisms PD Propagation Pulses Traditional UHF]

Stefan Hoek, Alexander Kraetge, Maik Koch, O. Kessler, and Maximilian Heindl. Emission and Dissipation Mechanisms of PD Pulses for UHF and Traditional Electrical Measurements. 305-308, 2012. [PUMA: Electrical Measurements PD Pulses Traditional UHF]

Stefan Tenbohlen, Martin Siegel, Michael Beltle, and Martin Reuter. Suitability of Ultra High Frequency Partial Discharge Measurement for Quality Assurance and Testing of Power Transformers. 2013. [PUMA: Antenna Diagnosis Discharges Factor GTEMcell Measurementfor Monitoring PD Partial Power Routine Testing Transformers UHF oil-filled] URL

Andreas Müller, Michael Beltle, Martin Siegel, and Stefan Tenbohlen. Assessment of UHF PD Monitoring Data by Means of Pattern Recognition. 2013. [PUMA: Data Monitoring PD Pattern Recognition UHF] URL

Martin Siegel, and Stefan Tenbohlen. Design of an Oil-filled GTEM Cell for the Characterization of UHF PD Sensors. 2014. [PUMA: (PD) Antenna Diagnosis Discharge Factor GTEM Measurement Monitoring PD Partial Power Routine Test Transformers UHF cell oil-filled] URL

Martin Siegel, and Stefan Tenbohlen. Comparison between Electrical and UHF PD Measurement concerning Calibration and Sensitivity for Power Transformers. 2014. [PUMA: (PD) Apparent Calibration Charge Discharge Partial Power Sensitivity Transformer UHF] URL

Martin Siegel, Stefan Tenbohlen, S. Coenen, B. Dolata, G. Luna, and S. Louise. Practical sensitivity of online UHF PD monitoring on large power transformers. CIGRE SC A2 Colloquium 2015, Shanghai, China, Sept. 20-25, 2015, 2015. [PUMA: Large Monitoring PD Power Practical Sensitivity Transformers UHF online] URL

Philipp Wenger, S. Abdul Madhar, and Stefan Tenbohlen. Simultaneous Electrical, UHF, Current and Optical PD Measurement on Floating Potential und DC Stress. 2019. [PUMA: Current DC Electrical Floating Measurement Optical PD Potential Simultaneous Stress UHF]

S. Abdul Madhar, Philipp Wenger, and Michael Beltle. Simultaneous Electrical and UHF Measurement of DC-PD from Point-Plane Defect. 2019. [PUMA: DC-PD Defect Electrical Measurement Point-Plane Simultaneous UHF]

Philipp Wenger, Michael Beltle, Stefan Tenbohlen, Uwe Riechert, and G. Behrmann. Combined Characterization of Free-Moving Particles in HVDC-GIS Using UHF PD, High-Speed Imaging, and Pulse-Sequence Analysis. IEEE Transactions on Power Delivery, (34)4:1540-1548, August 2019. [PUMA: Analysis Free-Moving HVDC-GIS High-Speed Imaging PD Particles Pulse-Sequence UHF in]

Chandra Prakash Beura, Michael Beltle, Stefan Tenbohlen, and Martin Siegel. Quantitative Analysis of the Sensitivity of UHF Sensor Positions on a 420 kV Power Transformer Based on Electromagnetic Simulation. Energies 2020, December 2019. [PUMA: PD UHF acceptance discharge evaluation monitoring partial positioning power sensitivity sensor sensors tests transformers] URL

Michael Beltle, Chandra Prakash Beura, Martin Siegel, and Stefan Tenbohlen. UHF Sensor Placement on Power Transformers for PD Monitoring. 2019. [PUMA: Assessment Condition Monitoring PD Positioning Power Sensor Transformer UHF] URL

Chandra Prakash Beura, Michael Beltle, and Stefan Tenbohlen. Positioning of UHF PD Sensors on Power Transformers Based on the Attenuation of UHF Signals. IEEE Transactions on Power Delivery, (34)4:1520-1529, August 2019. [PUMA: UHF assessment condition discharges electromagnetic monitoring partial power propa-gation signal transformers waves] URL

Martin Siegel, S. Coenen, and S. Tenbohlen. Kalibrierung von UHF TE‐Messsystemen an Leistungstransformatoren. Tagungsband, 253-263, 2016. [PUMA: Kalibrierung Leistungstransformatoren TE‐Messsystemen UHF an von] URL