The behavior of radiation component of lightning electric versus current time front changes

• Autorzy: Izadi M. , Kadir M.Z. , Gomes Ch.

Warianty tytułu

PL

Wpływ zmian czoła fali prądowej wyładowania atmosferycznego na promieniowanie pola elektrycznego

• Języki publikacji: EN

Abstrakty

EN

The electromagnetic fields associated with a lightning channel can have an effect on power lines by creating induced voltages on the power networks. The shape of a channel base current especially up to the first value has a great effect on the radiation components of electromagnetic fields, while the electromagnetic fields due to lightning can be evaluated by considering the different field components. This study considers the behavior of the radiation component of the electric field versus current time front changes as the radiation component is a critical component of the electric field. The results show that the radiation component has a greater effect on the total field at far distances from the lighting channel while this effect will be larger for close and intermediate distances from the lightning channel only during the initial time periods. Furthermore, the results illustrate that the current time front has an inverse relationship with the radiation component of an electric field at different distances from the lighting channel.

PL

W artykule przedstawiono analizę wpływu zmian czoła fali prądowej, wyładowania atmosferycznego na poziom emitowanego promieniowania pola elektrycznego i oddziaływanie tego pola na linie energetyczne. Zbadano także zawartość promieniowania pola elektrycznego w całkowitym wytworzonym polu w zależność od odległości od wyładowania.

Słowa kluczowe

EN

lightning; electric fields; return stroke current

PL

Pole elektryczne wyładowania atmosferycznego; udar powrotny prądu

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2012
• Tom: R. 88, nr 11a
• Strony: 308--311
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Izadi M.

autor

Kadir M.Z.

autor

Gomes Ch.

• Department of Electrical, Firoozkooh Branch, Islamic Azad University, Firoozkooh, Iran,

Bibliografia

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• [2] M. Izadi, et al., "An Analytical Second-FDTD Method For Evaluation of Electric and Magnetic Fields at Intermediate Distances From Lightning Channel," Progress In Electromagnetic Research (PIER), vol. 110, pp. 329-352, 2010.
• [3] Mimouni, et al., "Modelling and Simulation of Lightning Electromagnetic Fields Using an Hybrid Method for Poorly Conducting Ground Case," International Review of Electrical Engineering (IREE), vol. 1, pp. 594-602, DEC 2006.
• [4] V.Cooray, The lightning flash: IET Press, 2003.
• [5] R. Thottappillil and V. Rakov, "Review of three equivalent approaches for computing electromagnetic fields from an extending lightning discharge," Journal of Lightning Research, vol. 1, pp. 90-110, 2007.
• [6] M. Izadi, et al., "Evaluation of the Electromagnetic Fields due to Lightning Channel With Respect to the Striking Angle " International Review of Electrical Engineering (IREE), vol. 6, 2011.
• [7] G.Diendorfer and M.Uman, "An Improved Return Stroke Model with Specified Channel-Base Current " Journal of Geophysical Research-Atmospheres, vol. 95, pp. 13,621–13,644, 1990.
• [8] M. Izadi, et al., "Evaluation of electromagnetic fields associated with inclined lightning channel using second order fdtd-hybrid methods," Progress In Electromagnetics Research(PIER), vol. 117, pp. 209-236, 2011.
• [9] E.Petrache, "Lightning electromagnetic field coupling to overhead transmission line networks and to Buried Cables " Phd Thesis, École polytechnique fédérale de lausanne, Lausanne,Switzerland, 2004.
• [10] V.Rakov, "lightning return stroke speed," Journal of lightning Research, vol. 1, 2007.
• [11] M. Izadi and M.Z.Ab Kadir, "New Algorithm for Evaluation of Electric Fields due to Indirect Lightning Strike," Computer Modeling in Engineering & Sciences(CMES), vol. 67, pp. 1-12, 2010.
• [12] M. Izadi, et al., "Numerical expressions in time domain for electromagnetic fields due to lightning channels," International Journal of Applied Electromagnetics and Mechanics, vol. 37, pp. 275–289, 2011.
• [13] R. Thottappillil, et al., "Expressions for far electric fields produced at an arbitrary altitude by lightning return strokes," J. Geophys. Res, vol. 112, 2007.
• [14] C.A.Nucci, "Lightning-induced voltages on overhead power lines. Part I: return stroke current models with specified channel-base current for the evaluation of the return stroke electromagnetic fields," Electra, vol. 161, pp. 75–102, 1995.