Publications

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]

Saeed Khandan Siar, and Stefan Tenbohlen. Investigation of Operational and Design Parameters Affecting the Thermal Behaviour of Disc-Type Winding. 242-249, August 2019. [PUMA: Affecting Behaviour Design Disc-Type Investigation Operational Parameters Thermal Winding and of the]

Mehran Tahir, and Stefan Tenbohlen. Transformer Winding Condition Assessment Using Feedforward Artificial Neural Network and Frequency Response Measurements.. Energies 2021, (14)3227May 2021. [PUMA: Artificial Assessment Condition Feedforward Frequency Measurements. Network Neural Response Transformer Using Winding and]

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]

Chandra Prakash Beura, Michael Beltle, and Stefan Tenbohlen. Study of the Influence of Winding and Sensor Design on Ultra-High Frequency Partial Discharge Signals in Power Transformers. Sensors 2020, (20)2020. [PUMA: Design Discharge Frequency Influence Partial Power Sensor Signals Transformerssend:unibiblio Ultra-High Winding of]

Jochen Christian, and Kurt Feser. Procedures for Detecting Winding Displacements in Power Transformers by the Transfer Function Method. IEEE Transactions on Power Delivery, (15)1:214-220, 2004. [PUMA: Detecting Displacements Function Method Power Transfer Transformers Winding]

Klaus Eckholz, W. Knoww, Michael Schäfer, Kurt Feser, and Enzo Cardillo. New Developments in Transformer Cooling Calculation. 2004. [PUMA: Power Transformers cooling heat rise temperature transfer winding] URL

Jochen Christian, and Kurt Feser. Procedures for Detecting Winding Displacements in Power Transformers by the Transfer Function Method. IEEE Transactions on Power Delivery, (19)1:214-220, January 2004. [PUMA: Fault analysis diagnosis displacements domain frequency functions power transfer transformers winding] URL

P. Karimifard, G.B. Gharehpetian, and Stefan Tenbohlen. Determination of axial displacement extent based on transformer winding transferfunction estimation using vector-fitting method. European Transactions on Electrical Power (ETEP), (18):423-436, 2008. [PUMA: Determination axial based displacement estimation extent method transferfunction transformer vector-fitting winding]

P. Karimifard, G. B. Gharehpetian, and Stefan Tenbohlen. Localization of Winding Radial Deformation and Determination of Deformation Extent using Vector Fitting-based Estimated Transfer Function. European Transactions on Electrical Power (ETEP), (19)5:749–762, July 2009. [PUMA: Deformation Determination Estimated Extent Fitting-based Function Localization Radial Transfer Vector Winding]

P. Karimifard, G.B. Gharehpetian, A.J. Ghanizadeh, and Stefan Tenbohlen. Estimation of simulated transfer function to discriminate axial displacement and radial deformation of transformer winding. COMPEL, The international journal for computation and mathematics in electrical and electronics engineering, Special section: selected papers from the 4th International Conference on Electromagnetic Fields, Health and Environment, 1277-1293, 2012. [PUMA: axial deformation displacement function radial simulated transfer transformer winding]

Nicolas Schmidt, Andreas Weinläder, Stefan Tenbohlen, and S. Chen. Experimental Investigation of the Temperature Distribution within the Low Voltage Winding of a Large Power Transformer. 2012. [PUMA: Distribution Large Low Power Temperature Transformer Voltage Winding]

Mehran Tahir, and Stefan Tenbohlen. Novel Calculation Method for Power Transformer Winding Fault Detection using Frequency Response Analysis. 2019. [PUMA: Analysis Detection Fault Frequency Power Response Transformer Winding]

S. Miyazaki, Mehran Tahir, and Stefan Tenbohlen. Detection and quantitative Diagnosis of axial Displacement of Transformer Winding by Frequency Response Analysis. IET Generation, Transmission & Distribution, (13)15:3493-3500, August 2019. [PUMA: Analysis Frequency Response Transformer Winding]

Stefan Tenbohlen, Nicolas Schmidt, and Saeed Khandan. Investigation of Thermal Behavior of an Oil Directed Cooled Transformer Winding. IEEE Transactions on Power Delivery, 2017. [PUMA: Cooled Directed Oil Transformer Winding]

Stefan Tenbohlen, Nicolas Schmidt, Saeed Khandan, C. Breuer, and Lebreton R.. Investigation of Thermal Behavior of an Oil-Directed Cooled Transformer Winding. IEEE Transactions on Power Delivery, (33)3:1091-1098, June 2018. [PUMA: cooled transfomer winding]