kv变电所防雷接地保护设计毕业设计论文》

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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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