1 00:00:00,000 --> 00:00:04,280 现在让我们模拟一下线路控制 合上空气开关 2 00:00:04,280 --> 00:00:07,210 假设此时的线路处于分闸状态 3 00:00:07,210 --> 00:00:09,240 此时分闸指式灯点亮 4 00:00:09,240 --> 00:00:11,260 分闸位置继电器吸合 5 00:00:11,266 --> 00:00:13,376 而由于两个电器的分压 6 00:00:13,376 --> 00:00:16,096 致使合闸电磁铁只通电而没有吸合 7 00:00:16,654 --> 00:00:19,904 这样的好处就是可以检测其是否好坏 8 00:00:19,904 --> 00:00:21,984 当合闸电磁铁损害时 9 00:00:21,984 --> 00:00:23,384 分闸指示灯会熄灭 10 00:00:23,934 --> 00:00:26,034 我们先进行手动合闸 11 00:00:26,034 --> 00:00:28,524 我们将旋钮达到手动合闸 12 00:00:28,524 --> 00:00:31,627 电首先到达kkj继电器让其吸合 13 00:00:31,627 --> 00:00:36,227 经二极管 吸合合闸保持继电器和合闸电磁铁 14 00:00:36,228 --> 00:00:38,188 此时由于电走捷径 15 00:00:38,188 --> 00:00:39,838 分闸指示灯熄灭 16 00:00:39,838 --> 00:00:41,978 分闸位置继电器恢复 17 00:00:41,978 --> 00:00:44,388 其合闸自保触点也会吸合 18 00:00:44,388 --> 00:00:47,018 自保触点用于当旋钮复位后 19 00:00:47,018 --> 00:00:49,748 线路一直保持合闸电磁吸合 20 00:00:49,748 --> 00:00:51,508 防止中途一半停止 21 00:00:51,508 --> 00:00:53,214 直到合闸完成 22 00:00:53,215 --> 00:00:55,775 此时断路器常闭触点分开 23 00:00:55,775 --> 00:00:57,335 常开触点吸合 24 00:00:57,335 --> 00:00:59,841 这导致了合闸回路全部熄灭 25 00:00:59,841 --> 00:01:01,761 而合闸指示灯亮起 26 00:01:01,761 --> 00:01:03,931 合闸位置继电器吸合 27 00:01:03,931 --> 00:01:05,351 同样由于分压 28 00:01:05,351 --> 00:01:07,135 电经过分闸电磁铁 29 00:01:07,135 --> 00:01:10,121 却由于电压过低无法吸合铁芯 30 00:01:10,122 --> 00:01:11,542 手动分闸时 31 00:01:11,542 --> 00:01:13,682 旋钮打到手动分闸 32 00:01:13,682 --> 00:01:16,182 此时电到达kkj继电器 33 00:01:16,182 --> 00:01:18,322 此继电器是保持继电器 34 00:01:18,322 --> 00:01:19,692 合闸时亮起 35 00:01:19,692 --> 00:01:21,992 直到分闸信号到达熄灭 36 00:01:21,992 --> 00:01:24,202 可将辅助触点做为备用 37 00:01:24,202 --> 00:01:25,942 用于重合闸的先决条件 38 00:01:26,509 --> 00:01:28,199 后经二极管往上 39 00:01:28,199 --> 00:01:31,159 此二极管是利用其单向导通性 40 00:01:31,159 --> 00:01:34,642 防止电从别的入口进入影响我们线路控制 41 00:01:34,642 --> 00:01:38,222 使跳闸保持继电器和分闸电磁铁吸合 42 00:01:38,222 --> 00:01:40,909 两个分闸自保辅助触点也吸合 43 00:01:40,909 --> 00:01:45,309 合闸指式灯会熄灭 合闸位置继电器也会复位 44 00:01:45,309 --> 00:01:46,689 分闸完成后 45 00:01:46,689 --> 00:01:48,869 断路器常开触点分开 46 00:01:48,869 --> 00:01:50,419 常闭触点吸合 47 00:01:50,419 --> 00:01:51,735 分闸指示点亮 48 00:01:51,735 --> 00:01:53,869 线路回到最初位置 49 00:01:53,869 --> 00:01:55,459 当远程合闸时 50 00:01:55,459 --> 00:01:57,579 我们将旋钮打到远程 51 00:01:57,579 --> 00:01:59,359 此时5 6接通 52 00:01:59,359 --> 00:02:01,509 当远程合闸入口吸合时 53 00:02:01,509 --> 00:02:03,999 同样会吸合kkj继电器 54 00:02:03,999 --> 00:02:05,499 和合闸电磁铁 55 00:02:05,499 --> 00:02:07,129 让异地控制成为了可能 56 00:02:07,683 --> 00:02:10,373 我们假设线路出现了短路故障 57 00:02:10,373 --> 00:02:13,429 此时微机保护的保护跳闸入口吸合 58 00:02:13,429 --> 00:02:18,829 线路经保护连片 可继续走我们的分闸线路 完成跳闸 59 00:02:18,830 --> 00:02:23,250 由于高电压效线路故障百分之八十的故障是瞬时的 60 00:02:23,250 --> 00:02:26,070 我们的微机保护会提供重合闸功能 61 00:02:26,070 --> 00:02:28,010 让重合闸入口吸合 62 00:02:28,010 --> 00:02:31,640 线路会到达合闸电磁铁完成一次重合闸 63 00:02:31,640 --> 00:02:33,480 大大提高了线路的可靠性 64 00:02:34,044 --> 00:02:35,864 当我们远程分闸时 65 00:02:35,864 --> 00:02:38,624 将远程分闸入口7 8吸合 66 00:02:38,624 --> 00:02:40,870 假设我们在没有完成分闸时 67 00:02:40,870 --> 00:02:43,810 重合闸或者本地误操作了合闸 68 00:02:43,810 --> 00:02:46,760 此时电会首先到达防跳跃继电器 69 00:02:46,764 --> 00:02:47,964 让其吸合 70 00:02:47,964 --> 00:02:48,954 并自锁 71 00:02:48,954 --> 00:02:51,654 导致放跳跃辅助常闭点打开 72 00:02:51,654 --> 00:02:53,084 切断了合闸回路 73 00:02:53,084 --> 00:02:55,424 使合闸电磁铁不能吸合 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