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@@ -1,180 +1,312 @@
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1
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-00:00:00,000 --> 00:00:03,660
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-1.该二次线路具备手动本地分合闸功能
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+00:00:00,000 --> 00:00:04,280
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+现在让我们模拟一下线路控制 合上空气开关
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2
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-00:00:03,660 --> 00:00:04,910
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-用于本地操作
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+00:00:04,280 --> 00:00:07,210
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+假设此时的线路处于分闸状态
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3
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-00:00:04,910 --> 00:00:06,080
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-远程分合闸
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+00:00:07,210 --> 00:00:09,240
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+此时分闸指式灯点亮
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4
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-00:00:06,080 --> 00:00:10,960
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-用于远程自动化或者国网平台或者远控箱分合闸功能
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+00:00:09,240 --> 00:00:11,260
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+分闸位置继电器吸合
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5
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-00:00:10,960 --> 00:00:14,250
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-当分合闸旋钮KK打到本地控制时
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+00:00:11,266 --> 00:00:13,376
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+而由于两个电器的分压
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6
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-00:00:14,250 --> 00:00:15,910
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-可旋至手动合闸
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+00:00:13,376 --> 00:00:16,096
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+致使合闸电磁铁只通电而没有吸合
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7
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-00:00:15,910 --> 00:00:17,706
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-让KK1 2接通
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+00:00:16,654 --> 00:00:19,904
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+这样的好处就是可以检测其是否好坏
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8
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-00:00:17,706 --> 00:00:21,120
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-使合闸线圈HQ吸合 用于合闸
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+00:00:19,904 --> 00:00:21,984
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+当合闸电磁铁损害时
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9
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-00:00:21,120 --> 00:00:27,480
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-当旋钮钮到分闸时 11 12端子接通 使分闸线圈TQ跳闸
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+00:00:21,984 --> 00:00:23,384
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+分闸指示灯会熄灭
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10
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-00:00:27,480 --> 00:00:32,440
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-当选至远程时5 6端子接通 7 8端子接通
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+00:00:23,934 --> 00:00:26,034
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+我们先进行手动合闸
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11
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-00:00:32,440 --> 00:00:35,780
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-可用远程合闸入口和远程分闸入口
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+00:00:26,034 --> 00:00:28,524
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+我们将旋钮达到手动合闸
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12
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-00:00:35,780 --> 00:00:37,170
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-接到国网平台
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+00:00:28,524 --> 00:00:31,627
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+电首先到达kkj继电器让其吸合
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13
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-00:00:37,170 --> 00:00:38,140
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-远控箱去
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+00:00:31,627 --> 00:00:36,227
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+经二极管 吸合合闸保持继电器和合闸电磁铁
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14
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-00:00:38,140 --> 00:00:40,093
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-去分合闸断路器
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+00:00:36,228 --> 00:00:38,188
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+此时由于电走捷径
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15
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-00:00:40,094 --> 00:00:43,664
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-2.该线路可通过接入微机综合保护器
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+00:00:38,188 --> 00:00:39,838
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+分闸指示灯熄灭
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16
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-00:00:43,664 --> 00:00:47,760
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-让其具备二次重合闸功能和远程跳闸功能
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+00:00:39,838 --> 00:00:41,978
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+分闸位置继电器恢复
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17
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-00:00:47,761 --> 00:00:50,871
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-来自微机保护器的重合闸常开点HJ
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+00:00:41,978 --> 00:00:44,388
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+其合闸自保触点也会吸合
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18
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-00:00:50,871 --> 00:00:52,631
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-可使意外跳闸时
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+00:00:44,388 --> 00:00:47,018
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+自保触点用于当旋钮复位后
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19
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-00:00:52,631 --> 00:00:53,961
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-根据微保设置
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+00:00:47,018 --> 00:00:49,748
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+线路一直保持合闸电磁吸合
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20
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-00:00:53,961 --> 00:00:55,667
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-来一次重合闸
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+00:00:49,748 --> 00:00:51,508
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+防止中途一半停止
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21
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-00:00:55,668 --> 00:00:57,548
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-当不想利用该功能时
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+00:00:51,508 --> 00:00:53,214
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+直到合闸完成
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22
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-00:00:57,548 --> 00:00:58,778
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-或者检修时
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+00:00:53,215 --> 00:00:55,775
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+此时断路器常闭触点分开
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23
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-00:00:58,778 --> 00:01:00,458
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-可挑其保护连片
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+00:00:55,775 --> 00:00:57,335
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+常开触点吸合
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24
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-00:01:00,458 --> 00:01:04,681
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-远程跳闸TJ保护跳闸入口可接入微机保护
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+00:00:57,335 --> 00:00:59,841
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+这导致了合闸回路全部熄灭
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25
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-00:01:04,682 --> 00:01:09,388
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-或者其他保护继电器 用于需要跳闸时的跳闸
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+00:00:59,841 --> 00:01:01,761
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+而合闸指示灯亮起
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26
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-00:01:09,300 --> 00:01:11,468
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-3.该线路具备防跳跃功能
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+00:01:01,761 --> 00:01:03,931
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+合闸位置继电器吸合
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27
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-00:01:11,468 --> 00:01:14,655
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-TBJV继电器在断路器分闸时吸合
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+00:01:03,931 --> 00:01:05,351
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+同样由于分压
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28
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-00:01:14,655 --> 00:01:17,585
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-通过它的辅助触点串入合闸回路
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+00:01:05,351 --> 00:01:07,135
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+电经过分闸电磁铁
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29
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-00:01:17,585 --> 00:01:21,635
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-防止在跳闸过程中又有合闸命令而损坏机构
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+00:01:07,135 --> 00:01:10,121
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+却由于电压过低无法吸合铁芯
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30
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-00:01:21,642 --> 00:01:25,752
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-4.KKJ是合后继电器也称磁保持继电器
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+00:01:10,122 --> 00:01:11,542
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+手动分闸时
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31
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-00:01:25,752 --> 00:01:30,932
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-通过D1、D2两个二极管的单相导通性能来保证只有手动合闸
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+00:01:11,542 --> 00:01:13,682
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+旋钮打到手动分闸
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32
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-00:01:30,932 --> 00:01:32,162
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-才能让其动作
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+00:01:13,682 --> 00:01:16,182
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+此时电到达kkj继电器
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33
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-00:01:32,162 --> 00:01:34,072
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-动作后不自动返回
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+00:01:16,182 --> 00:01:18,322
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+此继电器是保持继电器
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34
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-00:01:34,072 --> 00:01:37,632
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-手动跳闸或者自动合闸后才能让其复归
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+00:01:18,322 --> 00:01:19,692
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+合闸时亮起
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35
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-00:01:37,642 --> 00:01:40,055
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-其接点可以用于重合闸
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+00:01:19,692 --> 00:01:21,992
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+直到分闸信号到达熄灭
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36
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-00:01:40,056 --> 00:01:44,366
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-5.HYI与TYJ是合闸和跳闸压力继电器
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+00:01:21,992 --> 00:01:24,202
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+可将辅助触点做为备用
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37
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-00:01:44,366 --> 00:01:46,696
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-接入断路器机构的气压接点
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+00:01:24,202 --> 00:01:25,942
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+用于重合闸的先决条件
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38
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-00:01:46,696 --> 00:01:50,116
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-在以六氟化硫为灭弧绝缘介质的开关中
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+00:01:26,509 --> 00:01:28,199
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+后经二极管往上
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39
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-00:01:50,116 --> 00:01:52,429
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-如果六氟化硫气体有泄露
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+00:01:28,199 --> 00:01:31,159
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+此二极管是利用其单向导通性
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40
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-00:01:52,429 --> 00:01:57,189
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-则当气体压力降至危及灭弧时该接点T1和T2导通
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+00:01:31,159 --> 00:01:34,642
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+防止电从别的入口进入影响我们线路控制
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41
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-00:01:57,189 --> 00:01:58,849
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-将操作回路断开
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+00:01:34,642 --> 00:01:38,222
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+使跳闸保持继电器和分闸电磁铁吸合
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42
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-00:01:58,856 --> 00:02:00,176
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-禁止操作
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+00:01:38,222 --> 00:01:40,909
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+两个分闸自保辅助触点也吸合
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43
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-00:02:00,176 --> 00:02:04,706
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-6.位置继电器HWJ TWT的作用有两个
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+00:01:40,909 --> 00:01:45,309
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+合闸指式灯会熄灭 合闸位置继电器也会复位
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44
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-00:02:04,706 --> 00:02:06,789
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-一是显示当前开关位置
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+00:01:45,309 --> 00:01:46,689
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+分闸完成后
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45
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-00:02:06,789 --> 00:02:09,576
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-二是监视跳、合线圈是否完好
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+00:01:46,689 --> 00:01:48,869
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+断路器常开触点分开
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+
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+46
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+00:01:48,869 --> 00:01:50,419
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+常闭触点吸合
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+
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+47
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+00:01:50,419 --> 00:01:51,735
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+分闸指示点亮
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+
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+48
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+00:01:51,735 --> 00:01:53,869
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+线路回到最初位置
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+
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+49
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+00:01:53,869 --> 00:01:55,459
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+当远程合闸时
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+
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+50
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+00:01:55,459 --> 00:01:57,579
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+我们将旋钮打到远程
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+
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+51
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+00:01:57,579 --> 00:01:59,359
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+此时5 6接通
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+
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+52
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+00:01:59,359 --> 00:02:01,509
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+当远程合闸入口吸合时
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+
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+53
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+00:02:01,509 --> 00:02:03,999
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+同样会吸合kkj继电器
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+
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+54
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+00:02:03,999 --> 00:02:05,499
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+和合闸电磁铁
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+
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+55
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+00:02:05,499 --> 00:02:07,129
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+让异地控制成为了可能
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+
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+56
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+00:02:07,683 --> 00:02:10,373
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+我们假设线路出现了短路故障
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+
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+57
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+00:02:10,373 --> 00:02:13,429
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+此时微机保护的保护跳闸入口吸合
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+
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+58
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+00:02:13,429 --> 00:02:18,829
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+线路经保护连片 可继续走我们的分闸线路 完成跳闸
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+
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+59
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+00:02:18,830 --> 00:02:23,250
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+由于高电压效线路故障百分之八十的故障是瞬时的
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+
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+60
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+00:02:23,250 --> 00:02:26,070
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+我们的微机保护会提供重合闸功能
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+
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+61
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+00:02:26,070 --> 00:02:28,010
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+让重合闸入口吸合
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+
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+62
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+00:02:28,010 --> 00:02:31,640
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+线路会到达合闸电磁铁完成一次重合闸
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+
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+63
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+00:02:31,640 --> 00:02:33,480
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+大大提高了线路的可靠性
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+
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+64
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+00:02:34,044 --> 00:02:35,864
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+当我们远程分闸时
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+
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+65
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+00:02:35,864 --> 00:02:38,624
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+将远程分闸入口7 8吸合
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+
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+66
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+00:02:38,624 --> 00:02:40,870
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+假设我们在没有完成分闸时
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+
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+67
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+00:02:40,870 --> 00:02:43,810
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+重合闸或者本地误操作了合闸
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+
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+68
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+00:02:43,810 --> 00:02:46,760
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+此时电会首先到达防跳跃继电器
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+
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+69
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+00:02:46,764 --> 00:02:47,964
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+让其吸合
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+
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+70
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+00:02:47,964 --> 00:02:48,954
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+并自锁
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+
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+71
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+00:02:48,954 --> 00:02:51,654
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+导致放跳跃辅助常闭点打开
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+
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+72
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+00:02:51,654 --> 00:02:53,084
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+切断了合闸回路
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+
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+73
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+00:02:53,084 --> 00:02:55,424
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+使合闸电磁铁不能吸合
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+
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+74
|
|
|
+00:02:55,424 --> 00:02:58,114
|
|
|
+保护了断路器的机械结构和误操作
|
|
|
+
|
|
|
+75
|
|
|
+00:02:58,684 --> 00:03:00,174
|
|
|
+当失误恢复后
|
|
|
+
|
|
|
+76
|
|
|
+00:03:00,174 --> 00:03:02,284
|
|
|
+而分闸系统不受影响
|
|
|
+
|
|
|
+77
|
|
|
+00:03:02,284 --> 00:03:03,954
|
|
|
+会继续完成分闸
|
|
|
+
|
|
|
+78
|
|
|
+00:03:03,954 --> 00:03:05,590
|
|
|
+直到分闸完成
|
|
|
|