The Effects of Surge Arrester Location and Tower Footing Resistance on 230/63 kV Substation Under Lightning Overvoltage
Publish place: 08th Power Systems Protection & Control Conference
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSPC08_014
تاریخ نمایه سازی: 15 اسفند 1393
Abstract:
Substations feed power to consumers through overhead transmission and distribution lines. A high voltage substation is an assemblage of electrical components includingswitchgear, busbar, transformers, etc. For protection of these equipment and stability purpose, overvoltage protection is veryimportant. Lightning is one of the most serious causes of overvoltage. Occurring lightning surge near the substation can leads to severe harm to substation equipment and great outage inthe network. The lightning wave arriving in substation can be influenced by factors such as substation structure, arresterslocation, the lightning waveform and location of lightning surge and tower footing resistance. The analysis of lightning stroke andits location, surge arresters role and influence of its position and tower footing resistance by EMTP-RV are the purposes of thispaper. Simulation shows absence of surge arresters can bedangerous in few cases such as backflashover produced by first tower near the substation.
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Authors
Seyed Ahmad Hosseini
Electrical and Computer Engineering Department Babol University of Technology Babol, Iran
Mohammad Mirzaie
Electrical and Computer Engineering Department Babol University of Technology Babol, Iran
Taghi Barforoshi
Electrical and Computer Engineering Department Babol University of Technology Babol, Iran
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