資源描述:
《滅弧均壓招弧角絕緣配合與滅弧時(shí)間特性分析》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、RESEARCHonINSULATIoNCooRDINATIoNandTIMECHARACTEIUSTICofARCINGHORNABSTRACTTheaimofthispaperistodesignakindoflightning-proofgap,whichcanbefixedatthetwosideofinsulatorchain.Whenlightningstrokehappenedintransmissionline,thegapcouldleadthelightningcurrenttoea
2、rththereforetheinsulationchainwasnodestroyedbyflashover.Workingwiththejetstreaminterruptergaplightingprotectiondevice,itcanmaintaintheoperationoftransmissionline.Themaincontentofthepaperincludes:basedontheactualmethodofinsulationcoordination,todesignasou
3、ndarcdistanceforthegapusingtheknowledgeofmathematicalstatistics.Theexperimentresultsindicatethatthegapcandischargebeforetheinsulatorchainwhenlightningstrokehappened,thereforetheinsulatorchainbeprotectedeffectively;Finally,thearcinghornblowingoutACarcmode
4、lisanalyzed,andthearcingtimecontrasingwiththeresponsetimewereanalyzed,theresultsshowthatthedesignofthisprojectcanblowoutACarcafterthelightningflashoveroccurredintheprotectiveactionsbeforethetrip.outoftransmissionline,lowerratesoflightningthetrip—out,ther
5、eforethedeviceca.nbeappliedtotheactualtransmjssjon1ine.KEYWORDS:arcinghorn;lightningstrokeflashover;Faultcurrentinterrupting;transmissionlineII目錄摘要??????????????????????IABSTRAC,II?????????????????????II第一章緒論????????????????????.11.1研究均壓招弧角的意義????..?????
6、??????.11.1.1常用防雷措施分析????????????????11.1.2常規(guī)防雷方法與招弧角的比較????????????..41.1.3滅弧招弧角的優(yōu)點(diǎn)????????????????41.2防雷招弧角的研究進(jìn)展????????????.???..51.3本文主要工作??????????????????..61.4小結(jié)???.?..????????????????.7第二章招弧角的設(shè)計(jì)原則????????????????.82.1招弧角和絕緣瓷瓶串的配合???.???????????.8
7、2.1.1絕緣配合簡(jiǎn)述????????????..????..82.1.2絕緣設(shè)計(jì)方法簡(jiǎn)述????????????????82.2絕緣子沿面放電和電壓分布???.???????????112.2.1沿面放電的一般過程???????????????112.2.2懸式絕緣子的電壓分布???.???.????.???.122.2.3絕緣子和間隙的充電時(shí)間?????????.??..?..142.3絕緣子的絕緣電阻及耐壓試驗(yàn)????????..?????142.3.1絕緣子絕緣電阻的測(cè)量???????..???
8、.???.152.3.2絕緣子工頻交流耐壓試驗(yàn)??????????.???.172.3.3運(yùn)行中的鋼化玻璃絕緣子自爆后的測(cè)試?????????..182.3.4運(yùn)行中復(fù)合絕緣子的測(cè)試?????????????..182.4招弧角和絕緣瓷瓶的絕緣配合方法????????????.192.5招弧角型式的設(shè)計(jì)原則????..???????..???.212.6小結(jié).??......?????...???.?????..?..22第三章35KV線路