发输变电专业规范：旧规DLT 5091-1999《水力发电厂接地设计技术导则》.pdf

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1、P59备案号:4013-1999口L中华人民共和国电力行业标准DL/T5091一1999水力发电厂接地设计技术导则Groundingdesignguideforhydro-powerstation1999一08一02发布1999一10一01实施中华人民共和国国家经济贸易委员会发布中华人民共和国电力行业标准DL/T5091一1999水力发电厂接地设计技术导则Groundingdesignguideforhydro-powerstation主编部门:长江水利委员会长江勘测规划设计研究院批准部门:中华人民共和国国家经济贸易委员会批准文号:国经贸电力「19991740号寸eoit>J出A社1

2、999北京中华人民共和国电力行业标准水力发电厂接地设计技术导则DL/T5091一1999中国电力出版社出版、发行(北京三里河路6号100044http://www.cepp.com.cn)北京密云红光印刷厂印刷1999年11月第一版1999年11月北京第一次印刷850毫米X1168毫米32开本3印张74千字印数0001一5000册书号155083.67定价10.00元版权专有翻印必究(本书如有印装质量问题，我社发行部负责退换)月J舀本标准是根据原能源部、水利部批复的《水利水电勘测设计技术标准体系》编写的，属于水利水电工程建设标准。为了适应水利水电工程的特点和实际需要，使水力发电厂的接

3、地设计有章可循，做好设计工作，原电力工业部、水利部水利水电规划设计总院组织长江水利委员会长江勘测规划设计研究院编写了本标准，并与电力行业有关标准协调一致。实施本标准，有利于推广应用科学技术新成果，提高工程设计质量，提高工程建设效益。本标准由国家电力公司水电水利规划设计总院提出。本标准由国家电力公司水电水利规划设计总院归口。本标准起草单位:长江水利委员会长江勘测规划设计研究院。参加单位:成都水利水电勘测设计院。本标准主要起草人:舒廉甫、覃利明、李定中。本标准由国家电力公司水电水利规划设计总院负责解释。目次1范围····，·····⋯⋯，............···········..

4、...................·.....·.......⋯⋯12引用标准·····································································⋯⋯23定义····。··································..........···.·····.·..........·....⋯⋯34接地设计一般程序和规定·············································⋯⋯64.1接地设计一般程序······························

5、··················⋯⋯’‘”‘’64.2接地设计一般规定···················。·······························⋯⋯’二75接地电阻······.....·······.....................................·..........⋯⋯115.1大接地短路电流系统的接地电阻·································⋯⋯115.2小接地短路电流系统的接地电阻·································⋯⋯115.3低压系统的接地电阻·······

6、·········································⋯⋯135.4杆塔的接地电阻······················································⋯⋯136降低接地电阻的措施·····················....·.......········.......⋯⋯156.1水下接地·······························································⋯⋯156.2引外接地·······································

7、······.............·....⋯⋯156.3深井接地·······························································⋯⋯156.4人工降阻·······························································⋯⋯167接地电阻计算···············································