Beanspruchung von Isolierstoffen und Isolierstrecken mit Mischspannung

Hippler, Ch.; Leu, C.: Current and voltage distribution along surge arresters by superimposed DC and 50 Hz-AC voltage, VDE High-Voltage-Symposium 2016, Berlin

Rzehak, R.; Leu, C.: High-resistance High-Voltage Measuring system for DC voltage with superimposed AC voltage, VDE High-Voltage-Symposium 2016, Berlin

Eisenhuth, K.; Leu, C.: Electrical conductivity of polyethylene under superimposed direct and 50 Hz alternating high voltage stress, VDE High-Voltage-Symposium 2016, Berlin

Hippler, Ch.; Leu, C.: Analysis of power dissipation by variation of frequency on High Voltage metal-oxide arrester BLOCK, 19^th International Symposium on high voltage engineering (ISH), Plzen, 2015

Hippler, Ch.; Laue, K.: Voltage distribution along surge arresters under influence of temperature, INMR world congress, München, 2015

Shulzhenko, E.; Rock, M.; Birle, M.; Leu, C.: Applying of Surge Arresters in Power Electronic Network Components, International Conference on Lightning Protection (ICLP), Shanghai, China, 2014

Eisenhuth, K.; Leu, C.: Electrical conduction currents in polymeric insulating materials under mixed high voltage stress, 18^th International Symposium on high voltage engineering (ISH), Seoul, 2013

Leu, C.; Eisenhuth, K.: Realisierung einer Mischspannungsbeanspruchung bis 550 kV, VDE–ETG Fachtagung „Mischfeldbeanspruchung von Isoliersystemen“, Köln, 2010

Beanspruchung von Isolierstoffen und -systemen mit Hochspannungsgleichstrom (HVDC) und einer überlagerten mittelfrequenten Spannung

Semenov, I.; Leu, C.: Effect of high DC field on loss tangent and permittivity of non-impregnated transformerboard, 21st International Symposium on High Voltage Engineering, Budapest, Hungary, August 26-30, 2019

Gelmroth, Ph.; Leu, C.: Breakdown Strength of Insulation Media under Utilization of low and medium AC Voltage and mixed Voltage, VDE High-Voltage-Symposium 2018, Berlin

Gelmroth, Ph.; Leu, C.; Möbes, S.; Petzoldt, J.: A novel Insulation Concept for an inductive medium Frequency Transformer for Solid State Transformer Applications, VDE High-Voltage-Symposium 2018, Berlin

Seifert, F.; Leu, C.: Characterization of surface discharges at high DC voltage superimposed by a medium frequency high voltage, VDE High-Voltage-Symposium 2018, Berlin

Semenov, I.; Leu, C.: Dielectric properties of aramid paper under the simultaneous action of high DC and medium frequency AC voltage, VDE High-Voltage-Symposium 2018, Berlin

Seifert, F.; Leu, C.: Surface Discharges at superimposed medium Frequency High Voltage, INSUCON 2017 International Insulation Conference (IEEE DEIS), 16-18 May 2017, Birmingham, England

Semenov, I.; Leu, C.: Loss Factor and Permittivity Measurement at medium Frequency High Voltage with an HVDC offset, INSUCON 2017 International Insulation Conference (IEEE DEIS), 16-18 May 2017, Birmingham, England

Seifert, F.; Leu, C.: High voltage surface discharges at low and medium frequency, VDE High-Voltage-Symposium 2016, Berlin

Birle, M.; Leu, C.: Prüfschaltungen zur Untersuchung der thermisch-elektrischen Beanspruchung durch überlagerte periodische Transienten in HGÜ-Systemen, HIGHVOLT- Kolloquium, Radebeul/Dresden (Poster), 2015

Birle, M.; Leu, C.: Loss of dielectric strength of polymers due to high-frequency voltages in HVDC applications, 9^th International Conference on Insulated Power Cables (Jicable), Versailles, 2015

Birle, M.; Leu, C.: Dielectric heating in insulation materials at high DC and AC voltages superimposed by high frequency high voltages, 18^th International Symposium on high voltage engineering (ISH), Seoul, 2013

Birle, M.; Leu, C.: Breakdown of polymer dielectrics at high direct and alternating voltages superimposed by high frequency high voltages, IEEE International Conference on solid dielectrics, Bologna, 2013

Birle, M.; Bauer, S.; Leu, C.: Design and application of a high frequency high voltage generator 17^th International Symposium on high voltage engineering (ISH), Hannover, 2011

Hochspannungstechnologien

Machts, R.; Hunold, A.; Rock, M.; Leu, C.; Haueisen, J.: Simulation of Lightning Current Distributions in a realistic Human Head Model, Softcom 2019, 27th International Conference on Software, Telecommunications and Computer Network,Split, Croatia, September 19-21, 2019

Machts, R.; Hunold, A.; Drebenstedt, Ch.; Rock, M.; Leu, C.; Haueisen, J.: Experimental application of lightning currents to a human head phantom, 21st International Symposium on High Voltage Engineering, Budapest, Hungary, August 26-30, 2019

Sanne, M.; Kampe, Lenz, C.; Gossel, S.; Wagner, S.; Haibel, A.; Melcher, Leu, C.; Pfriem, A.; Lautner,: Anatomical Studies of Wood treated with Pressure Pulse Shock Wave, International Wood Products Journal (ISSN 20426445, 20426453)

Gossel, S.; Sanne, M.; Wagner, S.; Pfriem, A.; Lautner, S.; Leu, C.: Pressure pulse impregnation process using high voltage technology - Generation of electrohydraulic discharges to improve treatability of softwoods with impregnating liquid, VDE High-Voltage-Symposium 2018, Berlin

Machts, R.; Hunold, A.; Leu, C.; Haueisen, J.; Rock, M.: Development of a Head-Phantom and Measurement Setup for Lightning Effects, 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society of the IEEE Engineering in Medicine and Biology Society

(EMBC'16, Orlando, USA), DOI: 10.1109/EMBC.2016.7591504

Machts, R.; Hunold, A.; Haueisen, J.; Rock, M.; Leu, C.: Analyse von Blitzstromverteilungen in einem Kopfphantom mittels Messungen und Simulationen, VDE-Tagung „Blitzschutz“, 2017

Machts, R.; Hunold, A.; Leu, C.; Haueisen, J.; Rock, M.: Development of a Head-Phantom and Measurement Setup for Lightning Effects, 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society of the IEEE Engineering in Medicine and Biology Society (EMBC'16), Orlando, FL, USA, 17-20 August 2016

Leu, C.; Gossel, S.; Birle, M.; Reichert, F.: Measurement of electric conductivity of hot gas in a SF6- circuit breaker interrupting fault currents; XVIIII^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2015, Published in Plasma Physics and Technology Journal (PPT)

Kupfer, J.; Rock, M.; Leu, C.; Gossel, S.; Drebenstedt, Ch.: Vergleichende Betrachtungen und Laboruntersuchungen zur Wirkung von Erstblitzentladungen auf biologische Materialien, 11. VDE/ABB Blitzschutztagung, Neu-Ulm, 2015

Gossel, S.; Leu, C.: Low-energy pulping of biomass using periodical high-frequency high-voltage discharges in atmospheric air, 14th International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XIV), Zinnowitz, 2014

Gasdurchschlag, Schaltlichtbogen, Schaltgeräte, Schalten im Netz

Jugelt, S.; Leu, C. Interruption of medium-voltage direct-current by separation of contact elements in mineral oil using an ultra-fast electro-magnetic actuator, Symposium on Physics of Switching Arc, Brno, Czech Republic, 2019 Plasma Physics and Technology XX(X):1–4, 2019

Leu, C.; Schreiber, R.: Commutation stress measurements when switching 420 kV-Disconnectors for bus-transfer, VDE High-Voltage-Symposium 2018, Berlin

Leu, C.; Birle, M.; Gossel, S.; Reichert, F.: Measurement of electric conductivity of hot gas in a SF6- circuit breaker interrupting fault currents, XVIII^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2015

Gossel, S.; Leu, C.: Electrical breakdown of short spark gaps with several electrode materials in atmospheric air at AC (50Hz) and ramp voltage (10 kV/µs), 19^th International Symposium on high voltage engineering (ISH), Plzen, 2015

Leu, C.; Birle, M.; Gossel, S.; Reichert, F.: Determination of electric conductivity of hot argon gas using a high-frequency high-voltage generator, 20^th international conference on gas discharges and their application (GD), Orleans, France, 2014

Walter, M. M.; Leu, C.; Franck, Ch. M.: Optimizing the arc characteristics for improved designs of passive resonant HVDC- circuit breakers, XVIII^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2013

Bauer, S.; Leu, C.: Electrical breakdown and flashover of short spark gaps in air at transient voltages, 52. Internationale Wissenschaftliches Kolloquium, Ilmenau, 2010

Leu, C.: Wiederzündvorgänge beim Schalten kleiner Ströme, Internationales Wissenschaftliches Kolloquium, Ilmenau, 1995

Leu, C.; Böttcher, M.: Transiente Störfelder bei Schaltvorgängen, Internationales Wissenschaftliches Kolloquium, Ilmenau, 1995

Leu, C.: Simulation of low inductive current switching processes using an ATP-Module, EEUG Meeting, Budapest, 1996

Leu, C.; Noack, F.: Reignitions in SF₆- circuit breakers during switching of low inductive currents, 3^th International Conference on Electrical Contacts, Arcs, Apparatus and their Applikations (IC-ECAA), Xi´an, Mai 1997

Leu, C.; Noack, F.; Rock, M.; Zhou, L. M.: Small current interruption in SF₆ and SF₆/ N₂,8^th International Conference on Switching Arc Phenomena, SAP&ETAP’97, Lodz/Polen, Sept. 1997

Leu, C.; Noack, F.: Arc phenomena during interruption of low inductive currents in SF₆- circuit breakers, 8^th International Conference on Switching Arc Phenomena (SAP&ETAP’97), Lodz, Poland, 1997

Leu, C.; Noack, F.; Trapp, N.; Habedank, U.; Kuntze, T.; Schmidt, H. P.; Carreau, D.; Kopeikova, D.: Controlled switching of unloaded transformers – applikation with 245/15/15kV step-up transformers CIGRE 13-110, Paris 1997

Leu, C.; Rock, M.:Einfluss der Lichtbogenvorgänge beim Gesteuerten Schalten mit SF₆- Hochspannungs-leistungsschaltern, 43. Internationale Wissenschaftliches Kolloquium, Ilmenau, 1998

Leu, C.: Wiederverfestigung einer SF₆- Schaltstrecke beim Schalten kleiner induktiver Ströme, 43. Internationale Wissenschaftliches Kolloquium, Ilmenau, 1998

Leu, C.; Reichert, F.: Untersuchungen zum Strömungsverhalten im SF₆-Blaskolbenleistungsschalter, ELEKTRIE, 2001

Leu, C.: Lichtbogenvorgänge beim Schalten kleiner induktiver Ströme in SF₆,Dissertation TU Ilmenau, 2000

Leu, C.: Exitation and course of current chopping oscillation as an intermittent oscillation in SF_6, 9^th International Conference on Switching Arc Phenomena (SAP 2001), Lodz, Poland, 2001

Reichert, F.; Leu, C.: Simulation of the switching process in a SF₆ puffer circuit breaker, 9^th International Conference on Switching Arc Phenomena (SAP 2001), Lodz, Poland, 2001

Leu, C.; Noack, F.: The increasing dielectric strength after interruption of low currents in SF_6, XIV^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2001

Leu, C.; Reichert, F.; Berger, F.: Wechselwirkungen zwischen Antrieb und Löschsystem eines SF₆- Blaskolbenschalters beim Schalten großer Ströme, VDE–ETG Tagung „Diagnostik elektrischer Betriebsmittel“, Köln; 2004

Leu, C.; Reichert, F.; Berger, F.: Interaction of arc and gas flow in SF₆ puffer circuit breaker switching short circuit currents, XV^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2005

Leu, C.; Reichert, F.; Berger, F.: Interaction of pressure forces and spring drive mechanism in a SF₆ puffer breaker at interruption of short circuit currents, 15^th International Symposium on High Voltage Engineering, Xi´an, China, 2005

Leu, C.; Reichert, F.; Berger, F.: Interaction of arc extinction system and drive system of a SF₆ puffer breaker, 11^th International Conference on Switching Arc Phenomena (SAP 2005), Lodz, Poland, 2005

Leu, C.; Kornhaas, A.; Berger, F.: Messung und Bewertung transienter Kraftsignale zur Zustandsbewertung von Hochspannungsleistungsschaltern, VDE–ETG Tagung „Diagnostik elektrischer Betriebsmittel“, Kassel; 2006

Kornhaas, A.; Reichert, F.; Leu, C.; Berger, F.: Experimental investigations of the influence of ablation to the pressure built up in SF₆ self blast circuit breakers, XVI^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2009

Reichert, F.; Kornhaas, A.; Leu, C.; Berger, F.: Simulation of interaction between switching arc and switching mechanics in SF₆ self blast circuit breakers, XVI^th Symposium on Physics of Switching Arc, Brno, Czech Republic, 2009

Liebschner, M.; Küchler, A.; Krause, Ch.; Heinrich, B.; Leu, C.; Berger, F.: Interaction of oil ducts and solid insulation in HVDC barrier systems, 16^th Internat. Symposium on High Voltage Engineering, Johannesburg, South Africa, 2009

Liebschner, M.; Küchler, A.; Krause, Ch.; Heinrich, B.; Leu, C.; Berger, F.: Oil ducts and solid insulation in barrier systems at HVDC stresses, 52. Internationale Wissenschaftliches Kolloquium, Ilmenau, 2009

Patente:

DE 1020198 217 600 B3, 2021

Ehrhardt, A.; Leu, C., Semenov, I.; Jugelt, S.; Zahlmann, P.: Kurzschlussvorrichtung

DE 10 2010 052 723 A1, 2013 (national und europäisch)

Leu, C., Gossel, S.: Verfahren und Vorrichtung zum Vorbereiten oder Bearbeiten eines von einem gasförmigen Medium umschlossenen Prozessgutes mithilfe elektrischer Entladungen

Patent 20 2013 000 768 U1

Birle, M.; Leu, C.; Gossel, S.: Vorrichtung zur Erzeugung einer konstanten sinusförmigen hochfrequenten Hochspannung