2010
DOI: 10.1109/tdei.2010.5412002
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Improved method of calculating lightning stroke rate to large-sized transmission lines based on electric geometry model

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Cited by 39 publications
(19 citation statements)
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“…The total frequency of lightning strikes calculated by the EGM proposed in [16] was close to the observed data regarding the 1000 kV transmission lines. However, the substantial difference can still be observed between the calculated frequency of lightning strikes of each phase, especially the upper and lower phase.…”
Section: Analysis Of Calculation Results and Lightning Observation Resupporting
confidence: 83%
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“…The total frequency of lightning strikes calculated by the EGM proposed in [16] was close to the observed data regarding the 1000 kV transmission lines. However, the substantial difference can still be observed between the calculated frequency of lightning strikes of each phase, especially the upper and lower phase.…”
Section: Analysis Of Calculation Results and Lightning Observation Resupporting
confidence: 83%
“…Based on the lightning statistics regarding transmission lines in Japan, the ground flash density of 500 kV lines corridor NL is 4.9 strikes/km 2 /year, and the ground flash density of the 1000 kV line corridor NL is 5.2 strikes/km 2 /year. Thus, the frequency of lightning strikes of 500 kV and To validate the accuracy of the improved EGM proposed in this paper, a comparison between the computed results by the improved EGM, the classical EGM, EGM proposed in [16] and observed frequency of lightning strikes data of 500 kV and 1000 kV transmission line in Japan are provided below. The frequency of lightning strikes and shielding failure rate of 1000 kV transmission line in China was also analyzed.…”
Section: Analysis Of Calculation Results and Lightning Observation Rementioning
confidence: 93%
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“…These measures involve the first two stages of lightning protection, aiming at improving the lightning withstand level of the insulation and preventing flashover. These measures can reduce lightning trip-out rates to a certain extent, but do not allow for uncontrollable factors, such as lightning current type, lightning stroke direction, lightning-induced overvoltage and topography, [4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%