2021

Berger. F.
The Future of the Electromechanical Switchgear
Keynote30th International Conference on Electrical Contacts, online, 2021, Roschach/Schweiz

Holstein, P.; Fuchs, K.; Seitz, S.; Berger, F.; Bader, N.; Moeck, S., Döble, D.
Acoustical monitoring of electrical discharges, Advances in noise and vibration control technology
Volume 6 of 8: Inter-Noise e-Congress 49, online, 2020, S. 4026 - 4033

   

2020

Wirth, I.; Reumann, A.; Zink, M. H.; Küchler, A.; Schnitzler, T.; Langens, A.; Berger, F.Measurements and simulation of transient field stresses and impacts on advanced insulation design and new test procedures for HVDC components CIGRE Conference 2020

Sturm, S.; Küchler, A.; Paulus, J.; Stolan, R.; Berger, F. 3D-FEM modelling of losses in armoured submarine power cables and comparison with measurements CIGRE Conference 2020

Scheler, M.; Rossner, M.; Prucker, U.; Berger, F. Betriebsverhalten von kapazitiv gesteuerten, folienisolierten Hochspannungsdurchführungen unter Gleichspannung und thermischer Belastung VDE-Fachtagung Hochspannungstechnik, online, 2020, S. 506 - 511

Dotterweich, C.; Öftering, H.-P.; Zink, M.; Popp, J.; Staab, T.; Berger, F. Influence of impurities on the electrical conductivity in paraffinic model oil VDE-Fachtagung Hochspannungstechnik, online, 2020, S. 337 - 343

Hopf, A.; Rossner, M.; Berger, F., Küchler, A. New breakdown calculation method for gas-insulated high voltage applications 2020 IEEE Elektrical Insulation Conference (EIC), online, 2020, S. 118 - 123

Uber, C.; Barbu, B.; Hilbert, M.; Berger, F.; Lienesch, F. Investigation oft he correlation between the electrical power and flame front of a discharge caused by a slow contact opening in aH2/air mixture13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions, Braunschweig, 2020, 8. Seiten

 

2019

Berger, F. Kunststoffe für die elektrische Energietechnik Paper presented at the35th Engelberg Plastics Technology Seminar, March 2019, Engelberg/Switzerland.

Reil, C., Schmidt, H.-P.; Meier, M.; Berger, F. High-speed magnetic field imaging for the diagnosis of low-voltage switching arcs VDE-Fachbericht 75, 25th Albert-Keil-Kontaktseminar, Karlsruhe, 2019, pp. 119 - 124.

Berger, F. DC power lines and insulation behavior Maschinenmarkt, vol. 125, 2019, 11, pp. 52 - 54

Berger, F. Tested: Insulation behavior of cables at DC voltage etz, vol. 140, 2019, 5, pp. 48- 51

Dotterweich, F.; Dax, F.; Zink, M. H.; Popp, J.; Staab, T.; Sextl, G.; Berger, F. Influence of the electrode surface roughness on the electrical conductivity of pure paraffin Proc. IEEE20th International Conference on Dielectric Liquids (ICDL), Rome/Italy, 2019, pp. 1 - 4.

Sturm, S.; Paulus, J.; Berger, F. FEM analysis on influence of semiconductors in 3-core submarine power cables regarding cable losses Proc.10th International Conference on Insulated Power Cables (JICABLE), Paris-Versailles/France, 2019, Paper F2-22, 6 pp.

Fuchs, K.; Berger, F.; Schaffrinna, D.; Apel, R.; Ege, G.; Körner, W. Thermal electrical aging of selected polymeric LVAC cables under DC voltage stress Proc.10th International Conference on Insulated Power Cables (JICABLE), Paris-Versailles/France, 2019, Paper B7-1, 6 pp.

Fuchs, K.; Berger, F. Investigations on the DC voltage resistance of selected low voltage AC cables 1st symposium "Polymeric insulating materials and their interfaces", Zittau, 2019

Fuchs, K.; Bruchmüller, M.; Koch, M.; Berger, F. Influence of the filler proportion of boron nitride on dielectric parameters of polymeric HVDC cable insulation Proc. 21st International Symposium on High Voltage Engineering (ISH), Budapest/Hungary, 2019, 6 pp.

Scheler, M.; Rossner, M.; Berger, F.; Prucker, U. Potential distribution measurements inside a thermally stressed dc bushing with polymeric insulation films Proc. 21st International Symposium on High Voltage Engineering (ISH), Budapest/Hungary, 2019, 6 pp.

Reil, C.; Meier, M.; Schmidt, H.-P.; Berger, F. A magnetic field imaging system for switching arc diagnosis of low-voltage switchgear Proc.19th International Symposium on Electromagnetic Field in Mechatronics, Electrical and Electronic Engineering, Nancy/France, 2019, 4 pp.

 

2018

Gonzalez, D.; Hopfeld, M.; Berger, F.; Schaaf, P. Investigation on Contact Resistance Behavior of Switching Contacts Using a Newly Developed Model Switch IEEE Transaction on components, packaging and manufacturing technology, Vol. 8, No. 6, 2018, pp. 939 - 949

Scheler, M.; Rossner, M.; Reißenweber, L.; Berger, F.; Prucker, U.; Hopf, A. Potential distribution in the bushing core of a solid-gas insulated high voltage bushing in the very low frequency region under the effect of a temperature gradient Proc. Electrical Insulation Conference (EIC), San Antonio, TX, USA, 2018, pp. 504 - 507.

Fuchs, K.; Berger, F.; Schorn, H. Partial Discharges in Low Voltage Switchgears at Elevated Temperatures Proc. 29th International Conference on Electrical Contacts together with the 64th IEEE Holm Conference on Electrical Contacts, Albuquerque, NM, USA, 2018, pp. 501 - 506

Streck, M.; Nothnagel, F.; Berger, F. System identification of low voltage DC sources Proc. 53rd International Universities Power Engineering Conference (UPEC), Glasgow, 2018, paper 541

Fuchs, K.; Berger, F. Influence of the filler content of boron nitride on dielectric parameters of LDPE compounds under DC stress VDE-Fachtagung Hochspannungstechnik, 2018, Berlin, pp. 99 - 104.

Wirth, I.; Zink, M. H.; Küchler, A.; Berger, F.; Schnitzler, T. Consideration of conduction and polarization mechanisms in transient FEM simulations of HVDC insulation systems VDE-Fachtagung Hochspannungstechnik, 2018, pp. 584 - 589.

Hopf, A.; Berger, F.; Rossner, M. The calculation of electrical strength, initial field strength and breakdown voltage of SF6 and synthetic air at high pressure in a weakly inhomogeneous field VDE-Fachtagung Hochspannungstechnik, 2018, pp. 636 - 641

Küchler, A.; Zink, M. H.; Berger, F.; Langens, A. Electric field distribution and polarization currents in HVDC bushings Fachtagung Polymere Isolierstoffe und ihre Grenzflächen, 2018, Zittau

 

2017

Berger, F. Mechanical Switches in Low Voltage DC Nano and Micro Grids Imperative and Challenges, Plenary Speaker: 2nd IEEE International Conference on DC Microgrids, Nürnberg, 2017.

Hopfeld, M.; Gonzalez, D.; Berger, F.; Schaaf, P. Competence Center for Electrical Contacts Ilmenau - KEKI Poster at Thüringer Werkstofftag 2017, March 30, 2017, Jena, Germany.

Strobl, C.; Ott, L.; Kaiser, J.; Streck, M.; Nothnagel, F.; Berger, F.; Schäfer, M.; Rabenstein, R. Resonant Electric Arcs in DC Microgrids with Low System Impedance in the VLF-Band 2nd IEEE International Conference on DC Microgrids, Nuremberg, 2017.

Sturm, S.; Paulus, J.; Berger, F.; Abken, K.-L. Studies on parameters influencing the armour and shield losses of submarine power cables 20th International Symposium on High Voltage Engineering, BuenosAires/Argentina, 2017.

Heßdörfer, N.; Küchler, A.; Wirth, I.; Zink, M. H.; Langens, A.; Berger, F. Measurements and calculations of critical thermal and electrical stress conditions for HVDC bushings 20th International Symposium on High Voltage Engineering, BuenosAires/Argentina, 2017.

Sturm, S.; Wirth, I.; Paulus, J.; Zink, M. H.; Küchler, A.; Berger, F. Transient dielectric simulation in time domain with FEM in comparison with circuit models XIX. International Symposium on Theoretical Electrical Engineering (ISTET), Ilmenau, 2017.

Scheler, M.; Rossner, M.; Prucker, U.; Berger, F.; Hopf, A. Characterization of the volume conductivity and the polarization behavior of biaxially-oriented polyester films for use in HVDC bushings Electrical Insulation Conference (EIC), Baltimore/USA, 2017, pp. 261 - 265.

Hopf, A.; Britton, J.A.; Rossner, M.; Berger, F. Dielectric Strength of SF6 Substitutes, Alternative Insulation Gases and PFC-Gas-Mixtures Electrical Insulation Conference (EIC), Baltimore/USA, 2017, pp. 209 - 212

Barbu, B.; Berger, F. HVDC circuit breaker switching behavior analysis by means of Mayr equation Optimization of Electrical and Electronic Equipment - Aegean Conference on Electrical Machines and Power Electronics, Brasov/Romania, 2017, pp. 122-127.

Iturregi, A.; Barbu, B.; Torres, E.; Berger, F.; Zamora, I. Electric Arc in Low-Voltage Circuit Breakers: Experiments and Simulation IEEE Transactions on Plasma Science, Vol. 45, No. 1, 2017, pp. 113 - 120.

Hopfeld, M.; Gonzalez, D.; Berger, F.; Schaaf, P. KEKI: Model Switch for in-situ characterization of the contacts resistance of electrical contact materials European Congress and Exhibition on advanced materials and processes (EUROMAT 2017), Thessaloniki/Greece, 2017.

Gonzalez, D.; Hopfeld, M.; Berger, F.; Schaaf, P. Investigations of the contact resistance behavior of Ag/Ni10 contact pieces under the influence of different interrupter chamber wall materials VDE-Fachbericht 73, 24th Albert-Keil-Kontaktseminar, Karlsruhe, 2017, pp. 106 - 113.

Jebramcik, J.; Berger, F. Favouring contact welding in DC contactors by pre-ignition arcs VDE-Fachbericht 73, 24. Albert-Keil-Kontaktseminar, Karlsruhe, 2017, pp. 129 - 134

Fuchs, K.; Schaffrinna, D.; Berger, F.; Schorn, H. Partial discharges on low-voltage switchgear at elevated temperatures VDE Technical Report 73, 24th Albert-Keil Contact Seminar, Karlsruhe, 2017, pp. 231 - 237.

Schönau, J.; Karch, C.; Berger, F. On the thermal effect at the base of lightning arcs VDE Technical Report, 12th VDE/ABB Lightning Protection Conference, Aschaffenburg, 2017, pp. 63 - 68.

Martel, J.-M.; Berger, F.; Irion, R. Hazards due to serial arcing faults at very low currents VDE Technical Report 73, 24th Albert-Keil Contact Seminar, Karlsruhe, 2017, pp. 140 - 147.