Publications

Y. Yang, S. Shen, F. Zhang, S. Ji, C. Ekanayake, T. K. Saha, Stefan Tenbohlen, P. Jarman, and Z. Wang. A review of transformer FRA measurement and diagnosis techniques.. Transformer Magazin, (10)2:96-109, 2023. [PUMA: A FRA diagnosis measurement of review techniques transformer]

Mehran Tahir, and Stefan Tenbohlen. Transformer Winding Fault Classification and Condition Assessment Based on Random Forest Using FRA.. Energies 2023, (16)3714April 2023. [PUMA: Assessment Classification Condition FRA Fault Forest Random Transformer Using Winding]

Mehran Tahir, and Stefan Tenbohlen. FRA Lookup Charts for the quantitative Determination of Winding Axial Displacement Fault in Power Transformers. IET Electric Power Applications, (14)12:2370-2377, December 2020. [PUMA: Axial Charts Determination Displacement FRA Fault Lookup Power Transformerssend:unibiblio Winding quantitative]

René Wimmer, Stefan Tenbohlen, Kurt Feser, Alexander Kraetge, Michael Krüger, and Jochen Christian. A new Approach of FRA Assessment with Algorithms. 2007. [PUMA: Algorithms Assessment FRA]

René Wimmer, Stefan Tenbohlen, and Kurt Feser. Online Monitoring of a transformer by means of FRA. 2007. [PUMA: FRA Monitoring Online transformer]

René Wimmer, Stefan Tenbohlen, Maximilian Heindl, Alexander Kraetge, Michael Krüger, and Jochen Christian. Development of an Algorithm to Assess the FRA. 2007. [PUMA: Algorithm FRA]

P. Picher, J. Lapworth, T. Noonan, J. Christian, M. Alpatov, D. Bormann, R. Breytenbach, P. Dick, A. Drobyshevski, I. Dumbrava, R. Fisher, H. K. Hoidalen, P. Jarman, I. Kispal, Alexander Kraetge, Thomas Leibfried, R. Malewski, R. Ocon, E. Perez, J. Rickmann, Y. Shirasaka, Stefan Tenbohlen, M. Tiberg, Z. Wang, P. Werelius, and R. Zaleski. Mechanical Condition Assessment of Transformer Windings using Frequency Response Analysis (FRA). Report WG A2.26 (CIGRE), Electra, 237:34-46, April 2008. [PUMA: Analysis Assessment Condition FRA Frequency Mechanical Response Transformer Windings]

Maximilian Heindl, Stefan Tenbohlen, Alexander Kraetge, Michael Krüger, and J.L. Velásquez. Algorithmic Determination of Pole-Zero Representations of Power Transformers’ Transfer Functions for Interpretation of FRA Data. 2009. [PUMA: Algorithmic Data Determination FRA Functions Interpretation Pole-Zero Power Representations Transfer Transformers’] URL

Maximilian Heindl, Stefan Tenbohlen, Alexander Kraetge, M. Krüger, and J.L. Velásquez. Determining of Pole-Zero Representations of FRA Measurement Data for Interpretation of Power Transformer Transfer Function Deviations. 2009. [PUMA: Data Deviations FRA Function Measurement Pole-Zero Power Representations Transfer Transformer]

J.L. Velásquez Contreras, M.A. Sanz-Bobi, W. Koltunowicz, Alexander Kraetge, and Maximilian Heindl. Pattern Recognition of the Factors affecting the Reproducibility of FRA Measurements in Power Transformers. 2010. [PUMA: FRA Measurements Power Reproducibility Transformers]

Maximilian Heindl, Rene Wimmer, and Jochen Christian. FRA – Ein neuer Standard zur Wicklungsdiagnose. 143-152, 2010. [PUMA: FRA Wicklungsdiagnose] URL

Maximilian Heindl, Michael Beltle, Stefan Tenbohlen, and Sebastian Coenen. Untersuchung der Vergleichbarkeit von Übertragungsfunktionsmessungen (FRA) an Leistungstransformatoren. 2012. [PUMA: FRA Leistungstransformatoren Übertragungsfunktionsmessungen]

Stefan Tenbohlen, Maximilian Heindl, and Mark Jovalekic. On-site PD Diagnostics, FRA and Moisture Measurement for Power Transformers. IEEE Transactions on Power and Energy, (132)2:1-5, 2012. [PUMA: Diagnostics FRA Measurement Moisture On-site PD Power Transformers for]

M. H. Samimi, Stefan Tenbohlen, A. A. Shayegani-Akmal, and H. Mohseni. Effect of terminating and shunt resistors on the FRA method sensitivity. 2015. [PUMA: Effect FRA Method Resistors Sensitivity Shunt Terminating]

M.H. Samimi, and S. Tenbohlen. The Numerical Indices Proposed for the Interpretation of the FRA Results: a Review. 377-383, 2016. [PUMA: FRA]

M.H. Samimi, Stefan Tenbohlen, A.A. Shayegani Akmal, and H. Mohseni. Improving the numerical indices proposed for the FRA interpretation by including the phase response. International Journal of Electrical Power & Energy Systems, (83):585-593, December 2016. [PUMA: FRA interpretation]

Mohammad Hamed Samimi, and Stefan Tenbohlen. Detection of transformer mechanical deformations by comparing different FRA connections. International Journal of Electrical Power & Energy Systems, (86):53-60, March 2017. [PUMA: FRA]

Mohammad Hamed Samimi, and Stefan Tenbohlen. FRA interpretation using numerical indices: State-of-the-art. International Journal of Electrical Power & Energy Systems, 89:115-125, 2017. [PUMA: FRA indices numerical]

Mohammad Hamed Samimi, Stefan Tenbohlen, Amir Abbas Shayegani Akmal, and Hossein Mohseni. Effect of Different Connection Schemes, Terminating Resistors and Measurement Impedances on the Sensitivity of the FRA Method. IEEE TRANSACTIONS ON POWER DELIVERY, (32)4:1713-1720, 2017. [PUMA: FRA Method] URL

P. Picher, Stefan Tenbohlen, M. Lachmann, A. Scardazzi, and P. Pavel. Current state of transformer FRA interpretation.. Procedia Engineering, (210):944-963, 2017. [PUMA: FRA]