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]
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]
Modeling of a capacitive voltage transformer for evaluation of transient response in conformity with the IEC 61869-5 Standard. Electric Power Systems Research, (223)October 2023. [PUMA: 61869-5 IEC Modeling Standard a capacitive conformity evaluation for in of response the transformer transient voltage with]
Modeling of a capacitive voltage transformer for evaluation of transient response in conformity with the IEC 61869-5 Standard.. Electric Power Systems Research, June 2023. [PUMA: 61869-5 IEC Modeling Standard a capacitive conformity evaluation for in of response the transformer transient voltage with]
Oil Conductivity Estimation of Transformer Insulation by Switching Impulse Application. IEEE transactions on dielectrics and electrical insulation, (29)2:420-427, April 2022. [PUMA: Application Conductivity Estimation Impulse Insulation Oil Switching Transformer by of] URL
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]
Sensitivity analysis of different components of transfer function for detection and classification of type, location and extent of transformer faults.. Measurement, (187)110292January 2021. [PUMA: Sensitivity analysis and classification components detection different extent faults. for function location of transfer transformer type,]
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]
Analysis of Statistical Methods for Assessment of Power Transformer Frequency Response Measurements. 2020. [PUMA: Analysis Assessment Frequency Measurements Methods Power Response Statistical Transformer]
Attenuation of UHF Signals in a 420 kV Power Transformer based on Experiments and Simulation. 2019. [PUMA: 420 Power Signals Simulation Transformer UHF kV]
Enhanced Diagnosis of Power Transformers using On- and Off-line Methods: Results, Examples and Future Trends. 2001. [PUMA: Analysis Assessment Buchholzgas Frequency Lifetime Monitoring OLTC PD-Measurement Power Response Thermal Transformer control sensor] URL
Assessment of Overload Capacity of Power Transformers by On-line Monitoring Systems. 2001. [PUMA: Assessment Calculation Life-time Model Monitoring On-line Overload Power System Thermal Transformer] URL
Experienced-based Evaluation of Economic Benefits of On-line Monitoring Systems for Power Transformers. 2002. [PUMA: Assessment Benefits Calculation Condition Economic Internet Monitoring On-line Overload Power Transformer] URL
Integration of Power Transformer Monitoring and Overload Calculation into the Power System Control Surface. 2002. [PUMA: Aging Calculation Model Moisture Monitoring Oil On-line Overload Power Thermal Transformer Visualization in] URL
Benefit of sensors for on-line monitoring systems for power transformers. 2003. [PUMA: Power assessment condition internet monitoring on-line transformer] URL
New algorithms to improve the sensitivity of differential protection of regulating transformers. 2003. [PUMA: ATP-EMTP Differential Modeling Regulating Sensitivity Tap changer protection transformer] URL
The influence of transformer loading to the ageing of the oil-paper insulation. 2003. [PUMA: ageing insulation loading oil-paper transformer] URL
Transfer Function Method to Diagnose Axial Displacement and Radial Deformation of Transformer Windings. IEEE Transactions on Power Delivery, (18)2:493-505, April 2003. [PUMA: Diagnose displacements function mechanical modeling transfer transformer windings] URL
Monitoring System of Large Power Transformers based on up-to-date Information Technology. 2004. [PUMA: Field Fuzzy Hot-spot Overloadcapability Paper/Oil-insulation Power Thermal Transformer ageing bus controlled fan monitoring operation technology temperature] URL
Some important aspects of oil power transformer thermal protection. Electrical Engineering, (86)12003. [PUMA: oil power protection thermal transformer]
Prediction of CT Saturation Period for Differential Relay Adaptation Purposes. 2004. [PUMA: CT DC decaying differential digital measurement of parameters protection saturation signalprocessing synchronousmachine transformer] URL
Differential Relay with Adaptation during Saturation Period of Current Transformers. 2004. [PUMA: CT adaptivity differentialprotection digital processing saturation signal synchronousmachine transformer] URL
Calculation of the Transfer Function of a Power Transformer with Online Measuring Data. 2004. [PUMA: (TF) function measurement online overvoltages transfer transformer transient] URL
New Concepts for Prevention of Ageing by means of On-line Degassing and Drying and Hermetically Sealing of Power Transformers. 2004. [PUMA: Ageing Analysis Dielectric Drying Fischer Hermetically Karl Moisture On-line Power Response Sealing Titration Transformer] URL
Transformer Life Management German Experience with Condition Assessment. 327-342, 2004. [PUMA: Assessment Condition Experience German Life Management Transformer] URL
A Dynamic Model of Transformer with Tap Changer Using BCTRAN-Routine and 94-Type. 23-31, 2005. [PUMA: BCTRAN-Routine Changer Norton Phase-shifting Regulating Tap Type-94 transformer] URL
Program do analizy odpowiedzi czestotoliwosciowej (FDS) dielektrykow. 2006. [PUMA: Power content domain evaluation frequency model moisture spectroscopy transformer x-y] URL
Reliable Diagnostics of HV Transformer Insulation for Safety Assurance of Power Transmission System - REDIATOOL - a European Research Project. 2006. [PUMA: Power diagnostic dielectric evaluation measurements method moisture response transformer] URL
On-line Condition Monitoring and Diagnosis for Power Transformers their Bushings, Tap Changer and Insulation system. 2006. [PUMA: Bushing Changer Insulation Monitoring On-line Power System Tap Transformer] URL
Investigation of Different Top-oil Temperature Models for On-line Monitoring System of Power Transformer. 2006. [PUMA: Models Monitoring On-line Power System Temperature Top-oil Transformer]
Advanced Online Moisture Measurements in Power Transformers. 2006. [PUMA: Aging Humidity Moisture Monitoring Oil Power Transformer insulation measurement paper] URL
Design of the winding–bushing interconnections in large power transformers. Electrical Engineering (Archiv für Elektrotechnik), (88)3:183-190, March 2006. [PUMA: Design interconnections large power transformer winding–bushing]
Onsite, Online and Post Mortem Insulation Diagnostics at Power Transformers. 2007. [PUMA: DGA Power degree equilibrium furanes moisture of polymerisation transformer] URL
Neural Network for Transformer Top-Oil Prediction. 2007. [PUMA: Network Neural Prediction Top-Oil Transformer] URL
Online Monitoring of a transformer by means of FRA. 2007. [PUMA: FRA Monitoring Online transformer]
Determining the Frequency Characteristic of Transformer Reflection and Transmission Coefficients using Detailed Model. 2007. [PUMA: Characteristic Coefficients Detailed Frequency Model Reflection Transformer Transmission]
A Mathematical Model to Investigate Disc Space Variation in Power Transformer using Transfer Function Analysis. 2007. [PUMA: Analysis Disc Function Power Space Transfer Transformer Variation]
Investigation on Sampling, Measurement and Interpretation of Gas-in-Oil Analysis for Power Transformers. 2008. [PUMA: Analysis Condition Dissolved Fuzzy Gas Inference Monitoring Oil Pattern Power Recognition Sampling System Trainable Transformer] URL
Application of vegetable oil-based insulating fluids to hermetically sealed power transformers. 2008. [PUMA: Ageing Design Dielectric Ester Hermetical Natural OLTC Power Saturation Sealing Stability Strength Thermal Transformer Water] URL
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]
Universal Adaptive Differential Protection for Regulating Transformers. IEEE Transactions on Power Delivery, (23)2:568-575, 2008. [PUMA: (EMTP) Differential Electromagnetic Program Tran-sients changer phase protection regulating shifters tap transformer] URL
Moisture Equilibrium and Moisture Migration within Transformer Insulation Systems. Report WG A2.30 (CIGRE), Electra, 238:24-33, June 2008. [PUMA: Equilibrium Insulation Migration Moisture Systems Transformer]
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
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]
Thermal-hydraulic investigation of transformer windings by CFD-Modelling and measurements. 2009. [PUMA: CFD-Modelling Thermal-hydraulic investigation measurements transformer windings]
Analysis of full and chopped Lightning Impulse Voltages from Transformer Tests using the new k-Factor Approach. 2009. [PUMA: Analysis Approach Impulse Lightning Tests Transformer Voltages and chopped from full k-Factor new of the using] URL
Evaluation of Transformer Reliability Data Based on National and Utility Statistics. 2009. [PUMA: Based Data Evaluation National Reliability Statistics Transformer Utility and of on] URL
Comparing Various Moisture Determination Methods for Power Transformers. 2009. [PUMA: Capacitive Determination Dielectric Domain Fischer Frequency Karl Moisture Power Response Saturation Sensor Spectroscopy Titration Transformer Water] URL
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]
Transformer Modelling Based On Frequency Response Measurements For Winding Failure Detection. 2010. [PUMA: Analysis Fitting Frequency Function High Modeling Power Reponse Resonance Transfer Transformer Transient Vector] URL
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
Influence of PD Location in Transformer windings on IEC60270- and UHFMeasurements. 2010. [PUMA: IEC60270 Location PD Transformer UHFMeasurements. windings]
Evaluation of Parameters of Lightning Impulse Voltages from Transformer Tests Using the New k-factor Approach. IEEE Transactions on Dielectrics and Electrical Insulation, (17)3:953-958, June 2010. [PUMA: Approach Impulse Lightning New Tests Transformer Using Voltages k-factor]
Localization of Partial Discharges in Power Transformer by Acoustic Method. 2010. [PUMA: Acoustic Discharges Localization Method Partial Power Transformer]
Dielectric Response Diagnoses for Transformer Windings. Electra, 249:64-71, April 2010. [PUMA: Diagnoses Dielectric Response Transformer Windings for]
Prediction of the Oil Flow Distribution in Oil-immersed Transformer Windings by Network Modelling and CFD. IET Electric Power Applications, 2011. [PUMA: CFD Distribution Flow Modelling Network Oil Oil-immersed Transformer Windings]
Assessment of Power Transformer Reliability. 2011. [PUMA: Assessment Power Reliability Transformer]
Thermal-Hydraulic Investigation of a Large Power Step Up Transformer. 2011. [PUMA: Investigation Large Power Step Thermal-Hydraulic Transformer Up]
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
Transformer Modeling Based on Standard Frequency Response Measurements. 2011. [PUMA: Frequency Measurements Modeling Response Standard Transformer] URL
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]
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]
The Overload Assessment of Power Transformers by Thermal Monitoring. 2012. [PUMA: Assessment Monitoring Overload Power Thermal Transformer]
Solubility Study of Different Gases in Mineral and Ester-based Transformer oils. 937-940, 2012. [PUMA: Different Ester-based Gases Mineral Transformer oils]
Dielectric Response Measurements of Natural Esters in Comparison to Mineral Oil. 2012. [PUMA: Ester Mineral Natural Oil Transformer]
Transformer Reliability Survey: Interim Report. Electra, 261:46-49, April 2012. [PUMA: Interim Reliability Report Survey: Transformer]
Numerical and Experimental Investigation of the Temperature Distribution inside Oil-Cooled Transformer Windings. 2013. [PUMA: Distribution Experimental Investigation Numerical Oil-Cooled Temperature Transformer Windings] URL
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
A Priori Metrics to Select the Best Training Dataset of Top-Oil Temperature Models of Power Transformer. 2014. [PUMA: Models Power Temperature Top-Oil Transformer]
Experimental Study on Vegetable and Mineral Transformer Oils Properties. 169-174, 2014. [PUMA: Mineral Oil Properties Transformer Vegetable]
Transformer reliability survey. Brochure, 6422015. [PUMA: Reliability Survey Transformer]
Development and results of a worldwide transformer reliability survey. 2015. [PUMA: Reliability Survey Transformer Worldwide]
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, June 2015. [PUMA: Diagnosis Mechanical Oscillations Power Transformer]
Transformer Equivalent Circuit Parameter Estimation using Frequency Response Analysis. A1-182 - A2-189, 2019. [PUMA: Analysis Circuit Equivalent Estimation Frequency Parameter Response Transformer]
Novel Calculation Method for Power Transformer Winding Fault Detection using Frequency Response Analysis. 2019. [PUMA: Analysis Detection Fault Frequency Power Response Transformer Winding]
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]
UHF Sensor Placement on Power Transformers for PD Monitoring. 2019. [PUMA: Assessment Condition Monitoring PD Positioning Power Sensor Transformer UHF] URL
Transformer reliability survey. Electra, 284February 2016. [PUMA: Transformer reliability survey]
Using the Complex Values of the Frequency Response to Improve Power Transformer Diagnostics. 1689-1693, 2016. [PUMA: Diagnostics Frequency Power Response Transformer]
Transformer Thermal Modelling. Cigre Technical Brochure, 659June 2016. [PUMA: Modelling Thermal Transformer]
Alternative Coupling Method for Immunity Testing of Power Grid Protection Equipment. 280-284, 2016. [PUMA: EMC current electronic instrument medium sensor switchgear transformer transients voltage] URL
Evaluation of numerical indices for the assessment of transformer frequency response. IET GENERATION TRANSMISSION & DISTRIBUTION, (11)1:218-227, INST ENGINEERING TECHNOLOGY-IET, January 2017. [PUMA: Frequency Response Transformer] URL
Simulation of the Transformer Frequency Response Using a 3D Model. 2016. [PUMA: 3D-Model Frequency Response Transformer]
A Worldwide Transformer Reliability Survey. 14-19, 2016. [PUMA: reliability survey transformer]
Determination of Hot Spots in Transformer Windings by CDF-modelling. 2016. [PUMA: transformer windings]
Development and Results of a Worldwide Transformer Reliability Survey. 2016. [PUMA: reliability survey transformer]
Detection of transformer mechanical deformations by comparing different FRA connections. International Journal of Elecrical Power & Energy Systems, (86):53-60, March 2017. [PUMA: deformations mechanical transformer]
Evaluation of the thermal performance of transformer windings by numerical investigations and measurements. Cigre Science and Engineering, (7)February 2017. [PUMA: transformer windings]
Numerical Investigation of Fluid Flow and Temperature Distribution on Power Transformer Windings Using Open Foam. 2017. [PUMA: Power Transformer Windings]
Investigation of Thermal Behavior of an Oil Directed Cooled Transformer Winding. IEEE Transactions on Power Delivery, 2017. [PUMA: Cooled Directed Oil Transformer Winding]
Standardized survey of transformer reliability: On behalf of CIGRE WG A2.37. 2017. [PUMA: reliability transformer]
Development and Optimization of Methods for Objective Interpretation of Frequency Response Analysis of Power Transformers.. 2018. [PUMA: FRA Power Transformer]