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]

Enzo Cardillo, and Kurt Feser. New Approach in Thermal Monitoring of Large Power Transformers Applied on a 350 MVA ODAF–Cooled Unit. 2004. [PUMA: 350 Applied Large MVA Monitoring ODAF–Cooled Power Thermal Transformers Unit] URL

C. Neumann, R. Huber, D. Meurer, Ronald Plath, Uwe Schichler, Stefan Tenbohlen, and K.-H. Weck. The Impact of Insulation Monitoring and Diagnostics on Reliability and Exploitation of Service Life. 2006. [PUMA: GIS Insulation LCC cable co-ordination costs cycle diagnostics gas insulated life monitoring power reliability service substations systems transformers] URL

Maik Koch, S. Rätzke, M. Freiburg, and Mark Jovalekic. Monitoring of the Drying Process of Power Transformers Using Dielectric Response Analysis. 2011. [PUMA: Analysis Dielectric Drying Monitoring Power Process Response Transformers Using]

S. Rätzke, Maik Koch, Stefan Tenbohlen, Mark Jovalekic, A. Marinescu, and B. Budan. Monitoring the water content in power transformers during oven drying process. 2011. [PUMA: Monitoring content drying oven power process transformers water]

Michael Beltle, Andreas Müller, and Stefan Tenbohlen. Analysis of UHF PF Monitoring Data by Means of Normalized Cross-Correlation. 103-106, 2012. [PUMA: Analysis Diagnosis HVDC Monitoring Transformers Vibration power] URL

Michael Beltle, and Stefan Tenbohlen. Usability of Vibration Measurement for Power Transformer Diagnosis and Monitoring. 281-284, 2012. [PUMA: Analysis Diagnosis HVDC Monitoring Transformers Vibration power] URL

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

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, 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

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

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

Michael Betle, and Stefan Tenbohlen. Power Transformer Diagnosis based on Mechanical Oscillations due to AC and DC Currents. IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION, (23)3, SI:1515-1522, IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA, June 2016. [PUMA: HVDC Power hysteresis lines magnetic magnetrostiction measurement monitoring noise transformers transmittion vibration] URL

Martin Siegel, and Stefan Tenbohlen. Calibration of UHF Partial Discharge Measurement for Power Transformers and a Comparison to the Calibration of Electrical PD Measurement. 2016. [PUMA: Calibration Discharge Electromagnetic IEC60270 Monitoring Partial Power Transformers UHF] URL

Mohammad Djamali, and Stefan Tenbohlen. Malfunction Detection of the Cooling System in Air-Forced Power Transformers Using Online Thermal Monitoring. IEEE TRANSACTIONS ON POWER DELIVERY, (32)2:1058-1067, IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, April 2017. [PUMA: Air-Forced Monitoring Online Power Thermal Transformers] URL

Stefan Tenbohlen, Martin Siegel, and Michael Beltle. Partial Discharge Monitoring of Power Transformers by UHF Sensors. October 2016. [PUMA: Discharge Monitoring Partial Power Sensors Transformers UHF] URL