雷電跳閘率 的英文怎麼說
中文拼音 [léidiàntiàozhálǜ]
雷電跳閘率
英文
lightning trip-out rate- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 跳 : 動詞1 (腿用力彈起) jump; leap; skip; bounce 2 (彈力使物體突然向上移動) spring; leap 3 (一起...
- 閘 : anchor gate
- 率 : 率名詞(比值) rate; ratio; proportion
- 雷電 : thunder and lightning雷電計 [氣象學] ceraunograph
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Various factors that influence lightning strike switching rate are also analyzed. it has been showed that for some given configuration, all lightning over - voltages on substation equipments do not exceed the 1ightning strike insulation level in the case of invading waves out of lightning strike aerial input protection line
同時利用規程法、行波法、擊距法對輸電線路中不同桿塔型號的耐雷性能分別進行了研究和比較,對影響輸電線路雷擊跳閘率的各種因素進行了分析。After the observing of transmission line for a lightning storm season, we did n ' t find the lightning trip. the result indicates line - surge arrester can improve lightning - proof property evidently and reduce the lightning tripping outage
通過兩個雷雨季節的觀察,發現110kv雙含線沒有再發生雷擊跳閘故障,表明了線路型避雷器能明顯改善山區輸電線路的防雷性能,降低輸電線路的雷擊跳閘率。This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire
在分析輸電線路繞擊耐雷性能時,對線路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算線路繞擊耐雷水平的程序,此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line
本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時,建立了桿塔的分佈參數計算模型,此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂時,導線運行電壓相位角的隨機性,本文假定雷擊出現于交流一周期的任一角度區間內的概率相等,提出了利用統計法計算同桿雙回線路的反擊跳閘率。With the demonstration of 35kv line of youxian substation, it built a numeral value calculation model of on - line data of each pole. in terms of many factors, it studied on how to improve lightning withstand level, especially on how to use moa economically and reasonably, and on the synthetic measures to decrease the lightning tripping outrage
在考慮眾多影響因素的基礎上,對雷擊35kv線路時雷電過電壓進行數值計算,通過大量的數值模擬計算,研究如何提高其耐雷水平,特別是研究線路型避雷器經濟合理的使用,以及降低雷擊跳閘率的綜合處理方法。Conclusion are drought as follow by studying the lightning protection performance for 500kv yafu transmission line : the outage rates is in 0. 32 flashes / year by regulations method
通過對鴨福500kv輸電線路耐雷性能的研究,得到以下結論:規程法計算結果表明該線路跳閘率在0 . 32次年分享友人