Prof. Dr.techn. Stefan Kornhuber

• • Research and investigations of transient events in high voltage networks (internal and external causes) by using ATP and MATLAB
  • Measuring and test of equipment and prototypes in the high voltage laboratory
  • Research and design of Lightning protection and Grounding systems for power networks, switchyards and buildings
  • Research work in thermal rating of OHTLs and monitoring systems
  • Publication of the results in international and national conferences

Schubert, U., Shirvani, A., Schmidt, U., Kornhuber, S., and Kynast, E. Proposal for a General Atmospheric Correction Method of Breakdown and Withstand Voltages of Air-Gap Insulated Configurations Based on a Streamer–Leader Differentiated Model of the Breakdown Process. 11(4)

Cervinka, R., Bär, C., and Kornhuber, S. Isolierstoff- und verfahrensbedingte Einflüsse auf Ausfallzeiten von polymeren Isolierstoffen im Dynamischen Tropfenprüfverfahren (DTPV). In Fachtagung Polymere Isolierstoffe Und Ihre Grenzflächen

Herzig, H. and Kornhuber, S. Definierte SIR-Oberflächenstrukturen im Langzeittest. In Fachtagung Polymere Isolierstoffe Und Ihre Grenzflächen

Kühnel, S. and Kornhuber, S. Untersuchungen zum Ausfallkriterium im HochspannungsLichtbogentest an Siliconelastomeren bei Gleich- und Wechselspannungsbeanspruchung. In Fachtagung Polymere Isolierstoffe Und Ihre Grenzflächen

Herzig, H. and Kornhuber, S. Defined silicone rubber surface structures in a long-term test. page 5

Bär, C., Schmuck, F., Kornhuber, S., Bärsch, R., and Brade, V. Influence of the Material Composition on the Dynamic Hydrophobicity of Silicone Elastomers for high-voltage Outdoor Application

Slimani, S., Bouatia, N., Belhoul, T., Kornhuber, S., and Haim, K.-D. Effet de l’angle d’inclinaison sur le nombre et le volume des gouttes d’eau résiduelles recouvrant la surface d’une isolation silicone mise hors ou sous tension alternative. page 6

Bouatia, N., Belhoul, T., Slimani, S., Boudissa, R., Kornhuber, S., and Haim, K.-D. Equivalence de performance électrique entre le système pointe - plan avec barrière polluée et le système plan – plan sous tension continue négative. page 6

Bouchelga, F., Belhoul, T., Boudissa, R., Kornhuber, S., and Haim, K.-D.

Dc performance d’une isolation en verre polluée sous l’effet de décharges électriques parallèles à rayon de courbure des électrodes variable. page 8

Belhoul, T., Bouatia, N., Slimani, S., Bouchelga, F., Boudissa, R., Haim, K. D., and Kornhuber, S. Comparaison de la performance électrique d’un système plan - plan et pointe - pointe avec barrières sous conditions de pollution très sévères et ac. page 6

Kittan, S., Kornhuber, S., Kästel, P., Nitsche, G., Valtin, G., and Weise, M. Review and Implementation of Transformer Health Index Methods in line with the Development of a Condition Assessment Tool. In 2018 International Conference on Diagnostics in Electrical Engineering (Diagnostika), pages 1–4

Kühnel, S., Kornhuber, S., and Lambrecht, J. On the electrical characteristic and heat dissipation of high voltage surface arcs

Bouatia, N., Slimani, S., Boudissa, R., Kornhuber, S., and Haim, K.-D. Equivalence de performance électrique entre l’intervalle d’air pointe – pointe avec barrières polluées et celui du plan - plan sous tension continue négative. page 6

Slimani, S., Bouatia, N., Boudissa, R., Kornhuber, S., and Haim, K.-D. Evolution du volume des gouttes d’eau de pluie naturelle sur une isolation en silicone inclinée et mise hors tension

Kühnel, S., Kornhuber, S., Bärsch, R., and Lambrecht, J. Dimensioning of a defined uneven silicone coating using the example of a glass cap insulator

Dreßler, M., Jacob, G., Knüpfer, B., and Kornhuber, S. Long-time evaluation of cable joints in the water. In 24th International Conference on Electricity Distribution CIRED, pages 1–4

Bär, C., Schmuck, F., Kornhuber, S., and Brade, V. Silicone Elastomers for Composite Insulators in High-Voltage Outdoor Application - Influence of Material Modifications on Dynamic Hydrophobic Properties. In CSI Conference on Silicone Insulation

Belhoul, T., Boudissa, R., Bouchelga, F., Haim, K.-D., and Kornhuber, S. DC performance of silicone and glass barriers in very high polluted atmosphere. In CSI Conference on Silicone Insulation

Boudissa, R., Belhoul, T., Bouchelga, F., Haim, K.-D., and Kornhuber, S. DC electrical performance of insulation silicone angled and covered with water drops rows arranged in zigzag. In CSI Conference on Silicone Insulation

Kühnel, S., Kornhuber, S., and Lambrecht, J. On the Pollution Flashover Behaviour of Partly POWERSIL R -Coated Glass Caps. In CSI Conference on Silicone Insulation

Kittan, S., Kornhuber, S., Kästel, P., Nitsche, G., Valtin, G., Weise, M., Krüger, M., Friedrich, T., and Lukas, M. Using a Graph Based Knowledge Representation Approach in Diagnostics of Power Transformers. In The 20th International Symposium on High Voltage Engineering, pages 1–6

Kühnel, S., Kornhuber, S., Bärsch, R., and Lambrecht, J. On the Pollution-FlashoverBehaviour of Partially Silicone Coated Insulators. In The 20th International Symposium on High Voltage Engineering, pages 1–6

Kornhuber, S. and Weber, J. Evaluation of the Influence of Low Molecular Weight Components to the Retention of the Hydrophobicity of Silicones by Using the Dynamic Drop Test. In International Symposium on Electrical Insulating Materials, pages 1–4

Boudissa, R., Belhoul, T., Haim, K.-D., and Kornhuber, S. Effect of inclination angle of hydrophobic silicone insulation covered by water drops on its DC performance. 24(5):28902900

Dreßler, M., Kornhuber, S., Bärsch, R., Jacob, G., & Knüpfer, B. (2016). Kurz- und Langzeitisoliervermögen von polymeren Feststoffisolierungen mit makroskopischen Längsgrenzflächen (pp. 1-6). Presented at the VDE-Hochspannungstechnik.

Kornhuber, S. (2016). Feststoff-Gas-Grenzflächen in der Hochspannungstechnik Anwendung - Anforderungen - Prüfung. Presented at the Quo Vadis Hochspannungstechnik.

Kornhuber, S., & Seifert, J. (2016). Hohlisolatoren mit feldsteuernden Eigenschaften für Durchführungen. Presented at the Transformer Life Management Conference, Königswinter.

Kühnel, S., Kornhuber, S., & Bärsch, R. (2016a). On the arc-resistance when tested with DC-and AC-stress by the example of silicone elastomers (pp. 501-505). Presented at the Conference on Electrical Insulation and Dielectric Phenomena - CEIDP '96, IEEE. doi.org/10.1109/CEIDP.2016.7785531

Kühnel, S., Kornhuber, S., Bärsch, R., & Lambrecht, J. (2016b). Zur Bewertung der Fremdschichtüberschlagspannung von Glaskap- penisolatoren mit definiert ungleichmäßiger Siliconbeschichtung Evaluation of the Pollution Flashover Voltage of Glass-Cap-Insulators with defined uneven Silicon Coating (pp. 1-6). Presented at the VDE-Hochspannungstechnik.

Wagner, A., Knauel, J., Puffer, R., Seifert, J., Brückner, M., Rusek, B., et al. (2016). Performance of polymeric insulators in hybrid AC/DC overhead lines under polluted conditions (pp. 1-11). Presented at the 2016 CIGRE Session.

Kornhuber, S., & Seifert, J. (2015). Anwendung von Silikonelastomeren bei Durchführungen (pp. 1-8). Presented at the Transformer Life Management Conference.

Kornhuber, S., Kouzmine, O., Schreiter, S., & Radigk, C. (2015). Multi-dimensional diagnostics of power transformers (pp. 1-6). Presented at the 19th International Symposium on High Voltage Engineering Frankfurt, Germany, Pilsen.

Kühnel, S., Bärsch, R., Kornhuber, S., & Simson, G. (2015). On the Resistance to Tracking and Erosion of polymeric materials under AC and DC Stress (pp. 1-19). Presented at the CSI Conference on Silicone Insulation, Burghausen.

Schreiter, S., Kornhuber, S., Radigk, C., & Kouzmine, O. (2015). Indivitual and more sensitive DGA interpretation values (pp. 1-5). Presented at the 19th International Symposium on High Voltage Engineering Frankfurt, Germany, Pilsen.

Kornhuber, S. (2014). Agile Produktentwicklungsmethoden für elektronische Hardwaresystemen am Beispiel von Systeme zur kontinuierlichen Zustandsbewertung von elektrischen Betriebsmitteln. Master Thesis

Kornhuber, S., & Kutzer, M. (2014). Werterhalt von Transformatoren: Auslegung - Diagnose - Wartung. Presented at the OGE Fachtagung.

Kornhuber, S., Gauvin, M., Abeywickrama, N., Kouzmine, O., Picher, P., Cheim, L., et al. (2014a). Application of novel algorithms for continuous bushing and OLTC monitoring for increasing network reliability. Presented at the CIGRE Session, Paris.

Kornhuber, S., Niehus, D., Kouzmine, O., Piasecki, W., & Florkowski, M. (2014b). Furnace Transformer Protection Against High-Frequency Switching Transients. Aist 2014.

Kornhuber, S., Schreiter, S., Kouzmine, O., Schreiter, S., & Radigk, C. (2014c). Individualisierte Bewertungskenngrößen für die Gas-in-Öl-Analyse für Leistungstransformatoren. Presented at the Diagnostik elektrischer Betriebsmittel - ETG Fachtagung.

Schreiter, S., Kouzmine, O., Kornhuber, S., & Werle, P. (2014). Öldiagnose - Praktische Betrachtung. Presented at the Öl/papier- und gasisolierte Systeme in Komponenten der elektrischen Energieversorgung, Graz.

Werle, P., Kouzmine, O., Kornhuber, S., Schreiter, S., Schreiter, S., Radigk, C., & Scheil, K. (2014). Diagnose von Transformatoren im Betrieb - Eine mehrdimensionale Betrachtung! Presented at the Diagnostik elektrischer Betriebsmittel - ETG Fachtagung.

Boltze, M., Kornhuber, S., & Topjian, G. (2013a). Measuring Partial Discharge in Stator Windings using 80-pF Line Couplers. Hydro Review Worldwide.

Boltze, M., Kornhuber, S., & Valtin, G. (2013b). Zur Qualitätssicherung und Zustandsbewertung Teilentladungsmessung an betriebsgealterten Mittelspannungs-Schaltanlagen. Netzpraxis, 1-2. Ausga.

Florkowski, M., Kornhuber, S., Piasecki, W., Kouzmine, O., Werle, P., Niehus, D., & Szczechowski, J. (2013). Smart Chokes: Innovation zum Schutz von Ofentransformatoren. EW- Magazin Für Die Energiewirtschaft.

Kornhuber, S., Kouzmine, O., & Niehus, D. (2013a). Gegenüberstellung von zeit- und frequenzbereichbasierenden Diagno- severfahren zur Zustandsbewertung von Verteilnetz- und Leistungs- transformatoren. ETG - Grenzflächentagung.

Kornhuber, S., Kouzmine, O., & Schreiter, S. (2013b). Transformer Fleet Management as Approach for Risk Based Asset Management. Conference on Diagnostics in Electrical Engineering CDEE.

Kouzmine, O., Werle, P., & Kornhuber, S. (2013). Öldiagnose an praktischen Beispielen - Wie ? / Was ? / Warum ? Transformer Life Management.

Boltze, M., Elze, H., & Kornhuber, S. (2011a). Rotating Machine Partial Discharge Measurements via 80-pF Line Couplers in Terms of Picocolumb (pC). Doble Client Conference.

Boltze, M., Kornhuber, S., Sumereder, C., Schmid, R., Filipot, H., Valtin, G., et al. (2011b). Diagnostic Measurements for the Condition Evaluation of Power Transformers. 20th International Conference on Electricity Distribution CIRED.

Elze, H., Kornhuber, S., Boltze, M., Röding, R., & Zhang, J. (2011). Rotating machine partial discharge measurements via preinstalled 80pF line-couplers in terms of picocolomb (pC) (pp. 22-27). Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Beltle, M., Coenen, S., & Müller, A. (2011a). UHF and acoustic partial discharge localisation in power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Boltze, M., Sumereder, C., Valtin, G., & Friedrich, T. (2011b). Zustandsbewertung und Risikoanalyse von betriebsgealterten Leistungstransformatoren. Transformer Life Management.

Kornhuber, S., Elze, H., & Boltze, M. (2011c). Various Methods of the Partial Discharge Detection at Switchgears. Doble Client Conference.

Kornhuber, S., Pfeffer, A., & Tenbohlen, S. (2011d). Pulse-sequence analysis of partial discharges in power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Tenbohlen, S., & Pfeffer, A. (2011e). Influences of pd location and frequency ranges on measured apparent charges (pp. 0-5). Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Sumereder, C., Boltze, M., Friedrich, T., Kornhuber, S., Valtin, G., & Fischer, K. (2011a). Zustandbewertung und Risikoanalyse von betriebsgealterten Leistungstransformatoren. Highvolt Kolloquium.

Sumereder, C., Valtin, G., Kornhuber, S., Schmid, R., Friedrich, T., & Filipot, H. (2011b). Transformer condition and operational risk evaluation. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Werner, F., Coenen, S., & Kornhuber, S. (2011). New methods for multisource UHF-acoustic pd location on power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Boltze, M., Elze, H., & Kornhuber, S. (2011a). Rotating Machine Partial Discharge Measurements via 80-pF Line Couplers in Terms of Picocolumb (pC). Doble Client Conference.

Boltze, M., Kornhuber, S., Sumereder, C., Schmid, R., Filipot, H., Valtin, G., et al. (2011b). Diagnostic Measurements for the Condition Evaluation of Power Transformers. 20th International Conference on Electricity Distribution CIRED.

Elze, H., Kornhuber, S., Boltze, M., Röding, R., & Zhang, J. (2011). Rotating machine partial discharge measurements via preinstalled 80pF line-couplers in terms of picocolomb (pC) (pp. 22-27). Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Beltle, M., Coenen, S., & Müller, A. (2011a). UHF and acoustic partial discharge localisation in power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Boltze, M., Sumereder, C., Valtin, G., & Friedrich, T. (2011b). Zustandsbewertung und Risikoanalyse von betriebsgealterten Leistungstransformatoren. Transformer Life Management.

Kornhuber, S., Elze, H., & Boltze, M. (2011c). Various Methods of the Partial Discharge Detection at Switchgears. Doble Client Conference.

Kornhuber, S., Pfeffer, A., & Tenbohlen, S. (2011d). Pulse-sequence analysis of partial discharges in power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Kornhuber, S., Tenbohlen, S., & Pfeffer, A. (2011e). Influences of pd location and frequency ranges on measured apparent charges (pp. 0-5). Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Sumereder, C., Boltze, M., Friedrich, T., Kornhuber, S., Valtin, G., & Fischer, K. (2011a). Zustandbewertung und Risikoanalyse von betriebsgealterten Leistungstransformatoren. Highvolt Kolloquium.

Sumereder, C., Valtin, G., Kornhuber, S., Schmid, R., Friedrich, T., & Filipot, H. (2011b). Transformer condition and operational risk evaluation. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Werner, F., Coenen, S., & Kornhuber, S. (2011). New methods for multisource UHF-acoustic pd location on power transformers. Presented at the 17th International Symposium on High Voltage Engineering Frankfurt, Germany.

Boltze, M., Kornhuber, S., Werner, F., & Ciprietti, O. (2010). On-line Partial Discharge Monitoring and Diagnosis at Power Cables. National Conference on Power Cables "CABLE TECH 2010."

Böhme, H., Kornhuber, S., Gao, Z., Markalous, S., Pfandl, W., & Strehl, T. (2009). Overhead line temperature monitoring by using SAW. Presented at the 16th International Symposium on High Voltage Engineering Cape Town, South Africa, 2009.

Gao, Z., Pfandl, W., & Kornhuber, S. (2009). Online Temperaturmonitoring mit der SAW-Sensortechnik. Presented at the Kraftwerktechnisches Kolloquium.

Sumereder, C., Kornhuber, S., Markalous, S., Muhr, H. M., & Strehl, T. (2009). Comparison of methods for the dissipation factor measurement at practical examples. Presented at the 16th International Symposium on High Voltage Engineering Cape Town, South Africa, 2009.

Kornhuber, S. (2008). Bestimmung der Leiterseiltemperatur von Hochspannungsfreileitungen mit SAW- Funksensoren. 2nd RFID Symposium Dresden.

Bernauer, C., Böhme, H., Muhr, H. M., Hinrichsen, V., Kornhuber, S., Strehl, T., et al. (2007a). Temperature measurement on overhead transmission lines (OHTL) utilizing surface acoustic wave (SAW) sensors (pp. 1-4). Presented at the 24th International Conference on Electricity Distribution CIRED, Vienna, Austria.

Bernauer, C., Großmann, S., Böhme, H., Hinrichsen, V., Kornhuber, S., Markalous, S., et al. (2007b). New methode of temperature measurement of overhead transmission lines (OHTLs) utilizing surface acoustic wave (SAW) sensors (pp. 1-6). Presented at the 15th International Symposium on High Voltage Engineering, Lubijana, Slovenia, Ljubijana, Slovenia.

Kornhuber, S. (2007). Optimierung der Belastung von Hochspannungsfreileitungen mit Hilfe eines Online- Temperaturmonitoringsystems. Doctoral Thesis.

Kornhuber, S., Muhr, H. M., Markalous, S., Böhme, H., & Strehl, T. (2007a). Operation ideas for overhead transmission lines (OHTLs) by using information of online temperature monitoring systems H. (pp. 1-6). Presented at the 15th International Symposium on High Voltage Engineering, Lubijana, Slovenia.

Kornhuber, S., Pack, S., & Reisinger, F. (2007b). Transient voltage stress of 400 kV urban system evaluated by numerical calculations. Presented at the International Symposium on Power System Transients.

Muhr, H. M., Böhme, H., Markalous, S., Kornhuber, S., Bernauer, C., & Strehl, T. (2007). Temperature Measurement on Overhead Transmission Lines (OHTL) utilizing Surface Acoustic Wave (SAW). Presented at the GridTech, Neu-Dehli.

Kornhuber, S. (2005). Evaluierung von akustischen Koronaemissionen am Beispiel eines Freileitungsseils. Diploma Thesis.

Pack, S., & Kornhuber, S. (2005). Evaluation of the transient behavior of an EHV transmission network and FCL (arrester) by stressing with a ground failure. Presented at the European EMTP-ATP Conference.

Kornhuber, S., & Pack, S. (2004). Grounding System modelling for the evaluation of transient behaviour. Presented at the European EMTP-ATP Conference.

Muhr, H. M., Kornhuber, S., Pack, S., Schwarz, R., & Körbler, B. (2004). Sound Analysis and PD Measurement of HV Transmission Lines. Presented at the Asian Conference on Electrical Discharge - ACED.