配網(wǎng)10 kV絕緣橫擔(dān)典型布置方案概述
宗強(qiáng)1,郁杰2,方江2,李德權(quán)2
(1 南通電力設(shè)計(jì)院有限公司,江蘇 南通 226004;2 江蘇神馬電力股份有限公司,江蘇 南通 226500)
摘 要:復(fù)合材料絕緣橫擔(dān)的推廣和應(yīng)用,有利于解決由感應(yīng)雷引起的雷擊斷線問題。對《10 kV架空絕緣線路絕緣橫擔(dān)典型布置方案》進(jìn)行了闡述,介紹了典型設(shè)計(jì)所取得的成果,明確了絕緣橫擔(dān)在海拔、氣象區(qū)、桿型等的應(yīng)用范圍及導(dǎo)線的選取和使用,豐富了桿頭布置形式,完善了絕緣配合及防雷接地方式,匯總了橫擔(dān)的結(jié)構(gòu)形式,系列化了橫擔(dān)的尺寸規(guī)格,解決了絕緣橫擔(dān)引下線的布置。為提高10 kV線路的耐雷水平,特別是為避免線路因感應(yīng)雷擊跳閘及斷線提供了保障。
關(guān)鍵詞:絕緣橫擔(dān);典型設(shè)計(jì);桿塔;雷擊
中圖分類號:TM726.3 文獻(xiàn)標(biāo)識碼:A 文章編號:1007-3175(2018)01-0001-05
Typical Arrangement Scheme Overview of 10 kV Distribution Network Insulation Crossbar
ZONG Qiang1, YU Jie2, FANG Jiang2, LI De-quan2
(1 Nantong Electric Power Design Institute Co., Ltd, Nantong 226004, China;2 Jiangsu Shemar Electric Co., Ltd, Nantong 226500, China)
Abstract: The promotion and application of composite material insulating crossbar are in favor of solving the problem of lightning stroke disconnection caused by the inductive thunder. This paper expounded the "10 kV overhead insulated wire insulation crossbar typical arrangement". Introduction was made to the achievement of typical design. This paper made clear the applied arrangement and wire selection and usage of elevation, weather zone, pole type and so on, enriched the pole head arrangement form, improved the insulation coordination and lightning protection grounding mode, summed up the crossbar structure style, serialized the size of the crossbar and solved the insulation crossbar downlead arrangement, which enhances the lightning withstand level of 10 kV overhead line, especially provides the safeguard for avoiding the tripping and disconnection caused by the inductive thunder lightning stroke.
Key words: insulation crossbar; typical design; pole and tower; lightning stroke
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