发明名称 |
PREVENTIVE MAINTENANCE DEVICE AND PREVENTIVE MAINTENANCE METHOD FOR SUBSTATION |
摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a conventional system costing much and taking a long time, since there is a need for attachment operation time clocking devices one by one to each apparatus in many substations, existing in each place in a wide range and the worker having to go to the installation location in each place to gather fine measurement results. SOLUTION: A centralized controller 10 and a remote monitor 20 perform clocking of operation time and the counting of the number of times of operation of a breaker and a disconnector, and the centralized controller 10 controls them. COPYRIGHT: (C)2003,JPO
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申请公布号 |
JP2003219579(A) |
申请公布日期 |
2003.07.31 |
申请号 |
JP20020013640 |
申请日期 |
2002.01.23 |
申请人 |
HITACHI LTD;HITACHI INFORMATION & CONTROL SYSTEMS INC |
发明人 |
YUMITA WATARU;SHINADA TOSHIYUKI;HIROSE AKIHIRO |
分类号 |
H02J13/00;(IPC1-7):H02J13/00 |
主分类号 |
H02J13/00 |
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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