| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168 |
- 1
- 00:00:00,000 --> 00:00:05,746
- GW4A型220千伏隔离刀闸是采用双柱水平旋转式结构
- 2
- 00:00:05,746 --> 00:00:09,156
- 其三个系统作为隔离和切换三相线路
- 3
- 00:00:09,156 --> 00:00:10,836
- 进出线位于两端
- 4
- 00:00:10,836 --> 00:00:13,200
- 其明显断开点和接地系统
- 5
- 00:00:13,200 --> 00:00:16,110
- 确保了电路的安全连接和断开
- 6
- 00:00:16,110 --> 00:00:20,390
- 主要由底架、支柱绝缘子及导电系统等三部分组成
- 7
- 00:00:20,400 --> 00:00:23,230
- 采用三级一体式同步操作结构
- 8
- 00:00:23,230 --> 00:00:25,560
- 使得它采用单头接地系统
- 9
- 00:00:25,560 --> 00:00:27,350
- 也可升级为双接地系统
- 10
- 00:00:27,907 --> 00:00:31,037
- 其操作系统将电能转换成机械能
- 11
- 00:00:31,037 --> 00:00:34,453
- 通过机械连杆将机械能传递到执行机构
- 12
- 00:00:34,453 --> 00:00:37,000
- 我们假设现在线路已接通
- 13
- 00:00:37,001 --> 00:00:38,131
- 电机运转
- 14
- 00:00:38,131 --> 00:00:40,841
- 经涡轮减速机带动数轴旋转
- 15
- 00:00:40,841 --> 00:00:42,501
- 两个平行杆运动
- 16
- 00:00:42,501 --> 00:00:45,174
- 分别带动各自的旋转瓷瓶旋转
- 17
- 00:00:45,174 --> 00:00:47,614
- 两触头向相反方向运动
- 18
- 00:00:47,614 --> 00:00:49,204
- 直到平行结束
- 19
- 00:00:49,204 --> 00:00:50,934
- 当我们需要检修时
- 20
- 00:00:50,934 --> 00:00:52,634
- 我们可利用接地系统
- 21
- 00:00:52,641 --> 00:00:54,601
- 将线路做可靠接地
- 22
- 00:00:54,601 --> 00:00:57,221
- 接地系统的操作机构电机旋转
- 23
- 00:00:57,221 --> 00:00:59,041
- 带动涡轮减速机减速
- 24
- 00:00:59,041 --> 00:01:01,171
- 经连杆到达执行机构
- 25
- 00:01:01,171 --> 00:01:03,161
- 动触头做切线运动
- 26
- 00:01:03,161 --> 00:01:05,141
- 和接地静触头插接
- 27
- 00:01:05,141 --> 00:01:06,981
- 实现明显可靠接地
- 28
- 00:01:06,987 --> 00:01:11,467
- 可对线路实现冷储备和检修操作提供安全保证
- 29
- 00:01:11,468 --> 00:01:12,808
- 投入线路时
- 30
- 00:01:12,808 --> 00:01:15,008
- 需先将接地刀闸分闸
- 31
- 00:01:15,008 --> 00:01:17,494
- 然后才能进行隔离刀闸合闸
- 32
- 00:01:17,494 --> 00:01:18,564
- 合闸时
- 33
- 00:01:18,564 --> 00:01:20,224
- 只需将电机反转
- 34
- 00:01:20,224 --> 00:01:21,724
- 通过连杆联动
- 35
- 00:01:21,724 --> 00:01:23,908
- 带动瓷瓶和动触头合拢
- 36
- 00:01:23,908 --> 00:01:27,348
- 触头经自身弹簧刀闸能量自行夹紧
- 37
- 00:01:27,348 --> 00:01:29,478
- 避免了目前因弹簧锈蚀、
- 38
- 00:01:29,478 --> 00:01:32,488
- 发热退火而引起的触头夹紧力降低
- 39
- 00:01:32,494 --> 00:01:36,734
- 接触电阻增加 触头发热加剧的恶性循环
- 40
- 00:01:36,735 --> 00:01:39,745
- 其简单的机械结构和可靠的性能
- 41
- 00:01:39,745 --> 00:01:43,588
- 广泛应用于110到330千伏电力系统
- 42
- 00:01:43,588 --> 00:01:46,761
- 适用于变电站、发电厂等户外场所
|
