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ID:28151703
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页数:52页
时间:2018-12-08
《kv变电所防雷接地保护设计毕业设计论文》》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、毕业设计(论文)35KV变电站防雷接地保护设计摘要雷电事故是对变电站、发电厂安全的主要威胁,如何有效、合理对变电站、发电厂采取防雷接地保护措施有着十分重要的意义。本文就以农村某35KV变电站为研究对象,以国家《防雷接地标准》为依据且结合变电站具体情况,对变电站的防雷接地进行保护设计,具有一定代表性。首先根据变电站的电气主接线图等实际情况,在了解雷电参数、雷电机理以及学习各种防雷装置的基础上,采用设计避雷针并计算验证其保护范围实现对变电站直击雷的防护;对变电站雷电侵入波的防护实现,则通过选择安装避雷器型号和设计变电站进线段的保护接线。最后在了解接地基本知识后,计算其接地电阻、最大土壤电阻
2、率、垂直接地体根数等,实现对此35KV变电站的接地保护设计。关键词:35KV变电站;直击雷防护;雷电侵入波防护;接地保护Opinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothecentralandprovincial,municipalunifieddeployment,accordingtomunicipalPartycommittee"aboutcarryingouttheparty'smasslineeducationalpracticeactivityinthecity'simplem
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4、entationopinions.First,theoverallrequirementsCountycountyeducationpracticetotheeighteenPartyofeight,thespiritofthethethirdPlenarySessionofthe18thCPCCentralCommitteeastheguidance,conscientiouslyimplementthespiritofgeneralsecretaryXiJinpingbookseriesofimportantspeech,earnestlyimplementtheCentralCo
5、mmitteereally,opinionsandadvice><<>,6、ofZhuanglangZhuang,improvetheirworkstyle,servicetothemassesofthepeople,thefoundationofconsolidatinggrassroots,promotetransformationacrossefforts,tofurtherimplementthecentraleightregulationsand7、lprovisionsofthe"twelve"planandtheimplementationmeasuresfor
6、ofZhuanglangZhuang,improvetheirworkstyle,servicetothemassesofthepeople,thefoundationofconsolidatinggrassroots,promotetransformationacrossefforts,tofurtherimplementthecentraleightregulationsand7、lprovisionsofthe"twelve"planandtheimplementationmeasuresfor
7、lprovisionsofthe"twelve"planandtheimplementationmeasuresfor
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