发明名称 |
WORK EXECUTION METHOD OF REFERENCE ELECTRODE FOR GROUNDING ACCIDENT DECISION, AND REFERENCE ELECTRODE FOR GROUNDING ACCIDENT DECISION |
摘要 |
PROBLEM TO BE SOLVED: To provide an enforcing method of a reference electrode capable of judging whether or not a grounding accident of a buried electric wire is generated in a substrate premise and a reference electrode therefor. SOLUTION: A predetermined current flows between an electrode installed at a position far from a substation and an earth mat buried in the substation premise and a potential distribution at each point of the substation premise is measured to set a standard electrode-providing position. Next, a tip end electrode 3a is hit in the standard electrode-providing position and a providing depth is subsequently increased while adding a step earth 3b. The step earth 3b is covered with an insulation cylinder (shield) 3e formed by a vinyl chloride resin, etc. When a target potential difference is ensured between the earth mat and the reference electrode, an insulation material 3f is poured between the step earth 3b and the insulation cylinder 3e and a water-proof cap 3g is covered on an upper end. An electrode previously coated by an insulation material can be also used as the standard electrode.
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申请公布号 |
JP2001097079(A) |
申请公布日期 |
2001.04.10 |
申请号 |
JP19990275665 |
申请日期 |
1999.09.29 |
申请人 |
EAST JAPAN RAILWAY CO;NIPPON CHIKO CO LTD |
发明人 |
NEGISHI HIDEO;SHODA TAKAHITO;FUJITA MASATOSHI;HINOHARA YOSHIHIDE |
分类号 |
H01R4/66;B60M3/00;G01R31/02;H02H3/20;(IPC1-7):B60M3/00 |
主分类号 |
H01R4/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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