1 00:00:00,000 --> 00:00:04,920 现在让我们模拟一下线路控制 合上上端的电源空气开关 2 00:00:04,920 --> 00:00:07,610 假设现在线路处于分闸状态 3 00:00:07,610 --> 00:00:09,585 此时分闸指式灯点亮 4 00:00:09,585 --> 00:00:11,546 分闸位置继电器吸合 5 00:00:11,546 --> 00:00:13,601 而由于两个电器的分压 6 00:00:13,601 --> 00:00:16,786 致使合闸电磁铁只通电而没有吸合 7 00:00:16,787 --> 00:00:19,752 这样的好处是既可以显示分闸状态 8 00:00:19,752 --> 00:00:22,773 同时可以检测合闸电磁铁是否正常 9 00:00:22,773 --> 00:00:26,813 当合闸电磁铁损害时 分闸指示灯会熄灭 10 00:00:26,814 --> 00:00:28,199 手动合闸时 11 00:00:28,199 --> 00:00:30,819 我们将旋钮旋至手动合闸位 12 00:00:30,819 --> 00:00:33,867 电首先到达KKJ继电器让其吸合 13 00:00:33,867 --> 00:00:38,320 经二极管 吸合合闸保持继电器和合闸电磁铁 14 00:00:38,321 --> 00:00:40,426 此时由于电会走捷径 15 00:00:40,426 --> 00:00:42,011 分闸指示灯熄灭 16 00:00:42,011 --> 00:00:44,011 分闸位置继电器复位 17 00:00:44,011 --> 00:00:46,374 其合闸自保触点也会吸合 18 00:00:46,374 --> 00:00:48,934 自保触点用于当旋钮复位后 19 00:00:48,934 --> 00:00:51,584 线路一直保持合闸电磁吸合 20 00:00:51,584 --> 00:00:53,294 防止中途一半停止 21 00:00:53,294 --> 00:00:54,947 直到合闸完成 22 00:00:54,948 --> 00:00:57,478 此时断路器常闭触点分开 23 00:00:57,478 --> 00:00:58,983 常开触点吸合 24 00:00:58,983 --> 00:01:01,108 致使合闸回路全部熄灭 25 00:01:01,108 --> 00:01:02,973 而合闸指示灯亮起 26 00:01:02,973 --> 00:01:05,073 合闸位置继电器吸合 27 00:01:05,073 --> 00:01:06,448 同样由于分压 28 00:01:06,448 --> 00:01:08,201 电经过分闸电磁铁 29 00:01:08,201 --> 00:01:11,108 却由于电压过低无法吸合铁芯 30 00:01:11,108 --> 00:01:12,483 手动分闸时 31 00:01:12,483 --> 00:01:14,563 旋钮打到手动分闸 32 00:01:14,563 --> 00:01:17,008 此时电到达KKJ继电器 33 00:01:17,008 --> 00:01:19,081 此继电器是保持继电器 34 00:01:19,081 --> 00:01:20,416 合闸时亮起 35 00:01:20,416 --> 00:01:22,656 直到分闸信号到达熄灭 36 00:01:22,656 --> 00:01:24,816 可将辅助触点做为备用 37 00:01:24,816 --> 00:01:26,516 用于重合闸的先决条件 38 00:01:27,042 --> 00:01:28,687 后经二极管往上 39 00:01:28,687 --> 00:01:31,567 此二极管是利用其单向导通性 40 00:01:31,567 --> 00:01:34,948 防止电从别的入口进入影响我们线路控制 41 00:01:34,948 --> 00:01:38,823 使两套跳闸保持继电器和分闸电磁铁吸合 42 00:01:38,823 --> 00:01:42,962 两个系统只要任何一个吸合均能保持分闸的正常运转 43 00:01:42,962 --> 00:01:45,935 两个分闸自保辅助触点也吸合 44 00:01:45,936 --> 00:01:47,776 合闸指式灯会熄灭 45 00:01:47,776 --> 00:01:50,096 合闸位置继电器也会复位 46 00:01:50,096 --> 00:01:51,386 分闸完成后 47 00:01:51,386 --> 00:01:53,296 断路器常开触点分开 48 00:01:53,296 --> 00:01:58,269 常闭触点吸合 分闸指示点亮 线路回到最初位置 49 00:01:58,270 --> 00:01:59,795 当远程合闸时 50 00:01:59,795 --> 00:02:01,720 将旋钮打到远程位 51 00:02:01,720 --> 00:02:04,365 此时5、6、7、8接通 52 00:02:04,365 --> 00:02:06,430 当远程合闸入口吸合时 53 00:02:06,430 --> 00:02:08,815 同样会吸合KKJ继电器 54 00:02:08,815 --> 00:02:10,280 和合闸电磁铁 55 00:02:10,280 --> 00:02:11,865 让异地控制成为了可能 56 00:02:12,404 --> 00:02:15,444 我们假设线路此时出现了短路故障 57 00:02:15,444 --> 00:02:18,899 我们装设的两套微机保护保护的保护跳闸入口 58 00:02:18,899 --> 00:02:20,350 只要任何一个吸合 59 00:02:20,350 --> 00:02:25,604 线路经保护连片 可继续走我们的分闸线路 完成跳闸 60 00:02:25,604 --> 00:02:29,949 由于高电压效线路故障百分之八十的故障是瞬时的 61 00:02:29,949 --> 00:02:32,964 我们的两套微机保护会提供重合闸功能 62 00:02:32,964 --> 00:02:34,859 让重合闸入口吸合 63 00:02:34,859 --> 00:02:38,399 线路会到达合闸电磁铁完成一次重合闸 64 00:02:38,399 --> 00:02:40,194 大大提高了线路的可靠性 65 00:02:40,724 --> 00:02:42,254 当远程分闸时 66 00:02:42,254 --> 00:02:44,899 将远程分闸入口常开点吸合 67 00:02:44,899 --> 00:02:46,844 线路会进行分闸操作 68 00:02:46,844 --> 00:02:49,204 假设我们在没有完成分闸时 69 00:02:49,204 --> 00:02:52,039 重合闸或者本地误操作了合闸 70 00:02:52,039 --> 00:02:54,844 此时电会首先到达防跳跃继电器 71 00:02:54,844 --> 00:02:55,999 让其吸合 72 00:02:55,999 --> 00:02:56,974 并自锁 73 00:02:56,974 --> 00:03:00,469 导致合闸回路的防跳跃辅助常闭点打开 74 00:03:00,469 --> 00:03:01,857 切断了合闸回路 75 00:03:01,857 --> 00:03:04,137 使合闸电磁铁不能吸合 76 00:03:04,137 --> 00:03:06,772 保护了断路器的机械结构和误操作 77 00:03:07,298 --> 00:03:08,748 当失误恢复后 78 00:03:08,748 --> 00:03:10,793 而分闸系统不受影响 79 00:03:10,793 --> 00:03:12,433 会继续完成分闸 80 00:03:12,433 --> 00:03:13,724 直到分闸完成 81 00:03:13,724 --> 00:03:15,584 其双电源控制系统 82 00:03:15,584 --> 00:03:18,039 利用两套不同电源的直流屏 83 00:03:18,039 --> 00:03:20,151 形成两套电源一用一备 84 00:03:20,151 --> 00:03:22,031 平时用主控制电源 85 00:03:22,031 --> 00:03:24,701 电源检测和控制继电器吸合 86 00:03:24,701 --> 00:03:26,964 当主系统电源出现故障时 87 00:03:26,964 --> 00:03:28,244 继电器复位 88 00:03:28,244 --> 00:03:29,924 而另一套电源接通 89 00:03:29,924 --> 00:03:31,789 继续控制我们的线路 90 00:03:31,789 --> 00:03:34,618 使控制系统的可靠性进一步增强