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手把手教你故障录波“四步分析法“.ppt

  • 2026-11-02 14:23:05
手把手教你故障录波“四步分析法“.ppt

今天我们学习：

手把手教你故障录波“四步分析法“.ppt

本文基于《故障录波“四步分析法”》技术资料，系统梳理了一套简明实用的分析方法——查报文、辨波形、判行为、定方案。通过真实220kV线路故障案例，带你一步步读懂录波图，掌握从故障识别到处置方案的全流程技巧。

> 无论你是继保人员、运行值班员，还是刚入行的电网新人，这篇“四步法”都将成为你手中最实用的工具卡。

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基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.091117s [ 吞吐率：10.97req/s ] 内存消耗：4,218.00kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2fbc45cff2c4666f0e21b2374d48c4e5
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  1. CONNECT:[ UseTime:0.000777s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001149s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000513s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000362s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000675s ]
  6. SELECT * FROM `set` [ RunTime:0.000286s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000695s ]
  8. SELECT * FROM `article` WHERE `id` = 500168 LIMIT 1 [ RunTime:0.000352s ]
  9. UPDATE `article` SET `lasttime` = 1794170768 WHERE `id` = 500168 [ RunTime:0.001780s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000338s ]
  11. SELECT * FROM `article` WHERE `id` < 500168 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000422s ]
  12. SELECT * FROM `article` WHERE `id` > 500168 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000397s ]
  13. SELECT * FROM `article` WHERE `id` < 500168 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000485s ]
  14. SELECT * FROM `article` WHERE `id` < 500168 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000509s ]
  15. SELECT * FROM `article` WHERE `id` < 500168 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000542s ]
0.108013s