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高压开关柜的基础知识及其二次回路培训.ppt

  • 2026-05-11 20:27:08
高压开关柜的基础知识及其二次回路培训.ppt
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五防联锁功能 

防止接地开关在合闸时,开关柜送电

防止带电合接地开关 

防止误入带电间隔 

防止带负荷推拉可移开部件 

防止可移开部件在移动过程中合闸

防止接地开关在合闸时,开关柜送电

使用钥匙来控制手车推进摇杆操作孔盖板的开闭(如果接地刀合闸,则盖板无法打开)

 防止带电合接地开关

 接地刀操作孔:如果断路器手车处于工作位置,或电缆头处有电,则此孔盖板无法打开,防止误操作接地刀)

 当二次插头未插上断路器时,高压门将无法关上,从而无法将断路器从试验位置推进到工作位置。

 操作项目

1. 将可移开部分从试验位置退出;

2. 将可移开部分从地面搬运到开关柜内的试验位置;

3. 将可移开部分从试验位置推进至工作位置;

4. 将可移开部分从工作位置退至试验位置;

5. 合接地开关;

6. 分接地开关。 

IEC图纸结构及读图说明

 IEC图纸中的元件是以坐标表示其相对位置的,且每页纵向被分成8个区域。每张图纸右下角的图框里都标有图号及哪种图纸的第几页。

 每个元件在Z图、M图、S图中都会表示出其相对位置,如Z图中某元件辅助节点上出现/M3.1,即表示该元件的这幅辅助节点用在M3图中的第1列。 

2026年04月28日

 — END —
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  1. CONNECT:[ UseTime:0.000965s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001659s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004900s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.003668s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001402s ]
  6. SELECT * FROM `set` [ RunTime:0.000510s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001774s ]
  8. SELECT * FROM `article` WHERE `id` = 510332 LIMIT 1 [ RunTime:0.011112s ]
  9. UPDATE `article` SET `lasttime` = 1778956556 WHERE `id` = 510332 [ RunTime:0.007046s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000717s ]
  11. SELECT * FROM `article` WHERE `id` < 510332 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003082s ]
  12. SELECT * FROM `article` WHERE `id` > 510332 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002826s ]
  13. SELECT * FROM `article` WHERE `id` < 510332 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001504s ]
  14. SELECT * FROM `article` WHERE `id` < 510332 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001563s ]
  15. SELECT * FROM `article` WHERE `id` < 510332 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.016163s ]
0.237822s