@article{KernDikta2008, author = {Kern, Alexander and Dikta, Gerhard}, title = {Bewerten von Sch{\"a}den durch Blitzeinwirkungen}, series = {Elektropraktiker. 62 (2008), H. 4}, journal = {Elektropraktiker. 62 (2008), H. 4}, isbn = {0013-5569}, pages = {338 -- 342}, year = {2008}, language = {de} } @article{Kern2009, author = {Kern, Alexander}, title = {{\"U}berarbeitung der Blitzschutznorm IEC 62305}, series = {Elektropraktiker. 63 (2009), H. 4}, journal = {Elektropraktiker. 63 (2009), H. 4}, isbn = {0013-5569}, pages = {391 -- 394}, year = {2009}, language = {de} } @article{KernSchelthoffMathieu2011, author = {Kern, Alexander and Schelthoff, Christof and Mathieu, Moritz}, title = {Detaillierte Berechnung der Einfangwirksamkeiten von Fangeinrichtungen mit einem dynamischen elektro-geometrischen Modell - Detailed calculation of the interception efficiencies for airtermination systems using a dynamic electro-geometrical model}, pages = {1 -- 5}, year = {2011}, language = {de} } @article{KernSchelthoffMathieu2011, author = {Kern, Alexander and Schelthoff, Christof and Mathieu, Moritz}, title = {Calculation of interception efficiencies for airterminations using a dynamic electro-geometrical model}, publisher = {IEEE}, address = {New York}, pages = {1 -- 6}, year = {2011}, language = {en} } @article{LandersKern2011, author = {Landers, Ernst Ulrich and Kern, Alexander}, title = {Future evolution of risk management for structures : Advancement for the future IEC 62305-2 Ed3}, publisher = {IEEE}, address = {New York}, pages = {1 -- 6}, year = {2011}, language = {en} } @article{KernZischankBeierl2007, author = {Kern, Alexander and Zischank, Wolfgang and Beierl, Ottmar}, title = {Anmerkungen zur Berechnung des Trennungsabstands nach DIN EN 62305-3 (VDE 0185-305-3): 2006-10 / Zischank, Wolfgang ; Beierl, Ottmar ; Kern, Alexander}, series = {7. VDE-ABB-Blitzschutztagung : Vortr{\"a}ge der VDE-ABB-Fachtagung vom 15. bis 16. November 2007 in Neu-Ulm / Veranst.: Ausschuss f{\"u}r Blitzschutz und Blitzforschung (ABB) im VDE, Verband der Elektrotechnik, Elektronik, Informationstechnik e.V. Wiss. Tagungsltg.: K. Stimper}, journal = {7. VDE-ABB-Blitzschutztagung : Vortr{\"a}ge der VDE-ABB-Fachtagung vom 15. bis 16. November 2007 in Neu-Ulm / Veranst.: Ausschuss f{\"u}r Blitzschutz und Blitzforschung (ABB) im VDE, Verband der Elektrotechnik, Elektronik, Informationstechnik e.V. Wiss. Tagungsltg.: K. Stimper}, publisher = {VDE-Verl.}, address = {Berlin}, isbn = {978-3-8007-3062-9}, pages = {1 -- 8}, year = {2007}, language = {de} } @article{KernDiktaKrichel2007, author = {Kern, Alexander and Dikta, Gerhard and Krichel, Frank}, title = {Zur Wahrscheinlichkeit f{\"u}r Sch{\"a}den an elektrischen und elektronischen Einrichtungen durch indirekte Blitzeinschl{\"a}ge - Auswertung von Schadensstatistiken, analytischen und numerischen Berechnungen}, series = {7. VDE-ABB-Blitzschutztagung : Vortr{\"a}ge der VDE-ABB-Fachtagung vom 15. bis 16. November 2007 in Neu-Ulm / Veranst.: Ausschuss f{\"u}r Blitzschutz und Blitzforschung (ABB) im VDE, Verband der Elektrotechnik, Elektronik, Informationstechnik e.V. Wiss. Tagungsltg.: K. Stimper}, journal = {7. VDE-ABB-Blitzschutztagung : Vortr{\"a}ge der VDE-ABB-Fachtagung vom 15. bis 16. November 2007 in Neu-Ulm / Veranst.: Ausschuss f{\"u}r Blitzschutz und Blitzforschung (ABB) im VDE, Verband der Elektrotechnik, Elektronik, Informationstechnik e.V. Wiss. Tagungsltg.: K. Stimper}, publisher = {VDE-Verl.}, address = {Berlin}, isbn = {978-3-8007-3062-9}, pages = {1 -- 9}, year = {2007}, language = {de} } @article{KernLandersScheibeetal.2006, author = {Kern, Alexander and Landers, E.-U. and Scheibe, K. and Zahlmann, P.}, title = {Die k{\"u}nftige deutsche Blitzschutznormung (1) : Reihe DIN EN 62305 / VDE 0185-305-x:2006}, series = {De : der Elektro- und Geb{\"a}udetechniker / Ausgabe ZV. 81 (2006), H. 15-16}, journal = {De : der Elektro- und Geb{\"a}udetechniker / Ausgabe ZV. 81 (2006), H. 15-16}, isbn = {1617-1160}, pages = {26 -- 30}, year = {2006}, language = {de} } @article{KernHeidlerZischank1998, author = {Kern, Alexander and Heidler, F. and Zischank, W.}, title = {Induced overvoltages in cable ducts taking into account the current flow into earth / F. Heidler ; W. Zischank ... A. Kern ...}, series = {Conference proceedings : 14th - 18th September 1998, [Burlington Hotel, Birmingham, United Kingdom] / organised by: School of Engineering and Advanced Technology, Staffordshire University, United Kingdom}, journal = {Conference proceedings : 14th - 18th September 1998, [Burlington Hotel, Birmingham, United Kingdom] / organised by: School of Engineering and Advanced Technology, Staffordshire University, United Kingdom}, address = {Birmingham}, year = {1998}, language = {en} } @article{KernBraun2013, author = {Kern, Alexander and Braun, Christian}, title = {Neuerungen bei der Blitzschutznorm. Teil 2}, series = {etz Elektrotechnik und Automation}, volume = {Bd. 134}, journal = {etz Elektrotechnik und Automation}, number = {H. 8}, publisher = {VDE-Verlag}, address = {Wuppertal}, issn = {0170-1711}, pages = {66 -- 69}, year = {2013}, language = {de} } @article{Kern2016, author = {Kern, Alexander}, title = {Blitz- und {\"U}berspannungsschutz von Kernkraftwerken - Nachweisf{\"u}hrung der ausreichenden Sicherheit f{\"u}r leittechnische Einrichtungen auch bei Blitzeinschl{\"a}gen mit extremen Parametern}, series = {Atw. International Journal for Nuclear Power}, volume = {61}, journal = {Atw. International Journal for Nuclear Power}, number = {8/9}, publisher = {Inforum}, address = {Berlin}, issn = {1431-5254}, pages = {534 -- 543}, year = {2016}, abstract = {F{\"u}r das Auftreten extremer Wetterereignisse werden f{\"u}r Kernkraftwerke Eintrittsh{\"a}ufigkeiten f{\"u}r nicht mehr beherrschbare Zust{\"a}nde von unter 10⁻⁴/a gefordert. Dies gilt auch f{\"u}r die Einwirkung von Blitzeinschl{\"a}gen. Die bisherige Nachweisf{\"u}hrung zu Blitz- und {\"U}berspannungsschutz eines KKW in Deutschland ist deterministisch. In diesem Bericht werden das Vorgehen f{\"u}r einen entsprechenden Nachweis f{\"u}r leittechnische Einrichtungen der Sicherheitstechnik von KKW, der zur geforderten Zielgr{\"o}ße der Eintrittsh{\"a}ufigkeit f{\"u}hrt. Die Ergebnisse werden zusammenfassend bewertet.}, language = {de} } @article{BirklDiendorferKernetal.2018, author = {Birkl, Josef and Diendorfer, Gerhard and Kern, Alexander and Thern, Stephan}, title = {Extrem hohe Blitzstr{\"o}me}, series = {Elektropraktiker}, volume = {72}, journal = {Elektropraktiker}, number = {3}, publisher = {Huss Medien}, address = {Berlin}, pages = {217 -- 225}, year = {2018}, abstract = {Blitze sind nach wie vor eine enorme Schadensquelle f{\"u}r Personensch{\"a}den, Br{\"a}nde, mechanische Zerst{\"o}rungen und insbesondere auch {\"U}berspannungen. Das zeigen nicht zuletzt aktuelle Statistiken der Schadensversicherer. Immer wieder gibt es Meldungen {\"u}ber extrem hohe Blitzstr{\"o}me, die nat{\"u}rlich auch zu großen Sch{\"a}den und Zerst{\"o}rungen f{\"u}hren k{\"o}nnen. Dabei werden Scheitelwerte von teilweise deutlich {\"u}ber 300 kA genannt. Dies wirft Fragen auf, da die „klassische" Blitzstatistik (z. B. nach CIGRE und IEC [8][10]) bisher solche Werte nicht kennt. Diese extremen Blitzstr{\"o}me werden meist aus den Daten von Blitzortungssystemen ermittelt.}, language = {de} } @article{KernFrentzelBehrens2010, author = {Kern, Alexander and Frentzel, Ralf and Behrens, J{\"o}rg}, title = {Simulation of the transient voltages in the auxiliary power network of a large power plant in case of a direct lightning strike to the high-voltage overhead transmission line}, publisher = {IEEE}, address = {New York}, isbn = {978-88-905519-0-1}, doi = {10.1109/ICLP.2010.7845756}, pages = {749-1 -- 749-7}, year = {2010}, abstract = {Large power plants can be endangered by lightning strikes with possible consequences regarding their safety and availability. A special scenario is a lightning strike to the HV overhead transmission line close to the power plant's connection to the power grid. If then additionally a so-called shielding failure of the overhead ground wire on top of the overhead transmission line is assumed, i.e. the lightning strikes directly into a phase conductor, this is an extreme electromagnetic disturbance. The paper deals with the numerical simulation of such a lightning strike and the consequences on the components of the power plant's auxiliary power network connected to different voltage levels.}, language = {en} } @article{BouquegneauKernRousseau2010, author = {Bouquegneau, Christian and Kern, Alexander and Rousseau, Alain}, title = {Lightning safety guidelines}, pages = {6 Seiten}, year = {2010}, abstract = {This paper introduces lightning to the layman, noting the right behaviour in front of thunderstorms as well as protective measures against lightning. It also contributes to the prevention of lightning injuries and damages. This report was prepared by the authors inside the AHG1 Group for IEC TC81 (Lightning Protection).}, language = {en} } @article{KernKloetersPferdemenges2010, author = {Kern, Alexander and Kl{\"o}ters, Georg and Pferdemenges, J{\"o}rg}, title = {Optimised protection against lightning for the signalling and safety systems of level crossings on non-electrified railway lines}, series = {RTR : European Rail Technology Review}, volume = {50}, journal = {RTR : European Rail Technology Review}, number = {2}, publisher = {DVV Media Group}, address = {Hamburg}, issn = {0079-9548}, year = {2010}, language = {en} } @article{KernSchelthoffMathieu2010, author = {Kern, Alexander and Schelthoff, Christof and Mathieu, Moritz}, title = {Probability of lightning strikes to air-terminations of structures using the electro-geometrical model theory and the statistics of lightning current parameters}, publisher = {IEEE}, address = {New York}, isbn = {978-88-905519-0-1}, doi = {10.1109/ICLP.2010.7845757}, pages = {750-1 -- 750-8}, year = {2010}, abstract = {Planning the air-terminations for a structure to be protected the use of the rolling-sphere method (electro-geometrical model) is the best way from the physics of lightning point-of-view. Therefore, international standards prefer this method. However, using the rolling-sphere method only results in possible point-of-strikes on a structure without giving information about the probability of strikes at the individual points compared to others.}, language = {en} } @article{KernSchelthoffMathieu2010, author = {Kern, Alexander and Schelthoff, Christof and Mathieu, Moritz}, title = {Die dynamische Blitzkugel : Wahrscheinlichkeitsberechnung f{\"u}r Blitzeinschl{\"a}ge in Geb{\"a}ude}, series = {de - Fachzeitschrift f{\"u}r das Elektrohandwerk}, journal = {de - Fachzeitschrift f{\"u}r das Elektrohandwerk}, number = {13-14}, publisher = {H{\"u}thig}, address = {Heidelberg}, issn = {2509-517X}, pages = {24 -- 29}, year = {2010}, language = {de} }