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@@ -71,266 +71,250 @@
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分别为1-8号抽头
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19
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-00:00:50,067 --> 00:00:51,577
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-在三相系统中
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+00:00:50,067 --> 00:00:53,427
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+在三相系统中 每相又分为两层
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20
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-00:00:51,577 --> 00:00:53,397
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-每相又分为两层
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+00:00:57,652 --> 00:01:01,977
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+上层为奇数1357号抽头及范围开关共用抽头
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21
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-00:00:53,397 --> 00:00:55,987
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-上层为奇数1357抽头
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+00:01:01,977 --> 00:01:06,173
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+下层为偶数2468号抽头及范围开关共用抽头
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22
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-00:00:55,987 --> 00:01:00,547
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-下层为号偶数2468号抽头和一个范围开关共用抽头
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+00:01:06,173 --> 00:01:09,473
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+用于选择需调节的绕组和绕组的方向
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23
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-00:01:00,547 --> 00:01:03,847
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-用于选择需调节的绕组和绕组的方向
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+00:01:09,473 --> 00:01:12,023
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+也用于预选需要转换的匝数
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24
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-00:01:03,847 --> 00:01:06,387
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-也用于预选需要转换的匝数
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+00:01:12,023 --> 00:01:14,133
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+切换开关主要是选择的匝数
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25
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-00:01:06,387 --> 00:01:08,937
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-切换开关主要是将选择的匝数
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+00:01:14,694 --> 00:01:16,867
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+每相绕组有4个触头
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26
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-00:01:08,947 --> 00:01:11,747
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-每个绕组四个共12个触头
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+00:01:16,867 --> 00:01:20,934
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+分别为A1到A4
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27
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-00:01:11,747 --> 00:01:13,247
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-通过步进方式
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+00:01:20,934 --> 00:01:24,374
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+B1到B4
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28
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-00:01:13,247 --> 00:01:15,197
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-让一组或两组接通
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+00:01:24,374 --> 00:01:25,894
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+C1到C4
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29
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-00:01:15,197 --> 00:01:16,937
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-中间经过渡电阻
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+00:01:25,894 --> 00:01:28,587
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+总计12个触头
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30
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-00:01:16,937 --> 00:01:18,907
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-顺利切换到预选匝数
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+00:01:28,587 --> 00:01:35,467
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+通过步进方式 让一组或两组触头接通
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31
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-00:01:18,907 --> 00:01:22,097
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-后经中性点线排回到变压器中性点
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+00:01:35,468 --> 00:01:37,254
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+中间经过渡电阻
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32
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-00:01:22,097 --> 00:01:24,807
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-接下来让我们演示一下它的操作方法
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+00:01:37,254 --> 00:01:45,641
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+顺利切换到预选匝数 后经中性点线排回到变压器中性点
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33
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-00:01:25,361 --> 00:01:27,191
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-假设我们现在为一档
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+00:01:45,642 --> 00:01:48,962
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+接下来让我们演示一下它的操作方法
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34
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-00:01:27,191 --> 00:01:28,901
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-想降低负载电压
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+00:01:48,962 --> 00:01:50,792
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+假设我们现在为一档
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35
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-00:01:28,901 --> 00:01:30,171
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-调节到二档
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+00:01:50,792 --> 00:01:52,502
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+想降低负载电压
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36
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-00:01:30,171 --> 00:01:32,041
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-由于遵循抵挡绕组少
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+00:01:52,502 --> 00:01:53,772
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+调节到二档
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37
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-00:01:32,041 --> 00:01:33,351
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-高档绕组多
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+00:01:53,772 --> 00:01:55,642
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+由于遵循抵挡绕组少
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38
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-00:01:33,351 --> 00:01:36,251
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-那么此时范围开关是在加档位置
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+00:01:55,642 --> 00:01:57,122
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+高档绕组多
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39
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-00:01:36,251 --> 00:01:39,381
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-而选择开关绕组在 下层1号抽头位置
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+00:01:57,122 --> 00:02:00,092
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+那么此时范围开关是在加档位置
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40
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-00:01:39,948 --> 00:01:42,928
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-我们手动摇动转动或者电机转动
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+00:02:00,092 --> 00:02:03,222
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+而选择开关绕组在 上层1号抽头位置
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41
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-00:01:42,928 --> 00:01:44,228
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-经竖轴运动
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+00:02:03,776 --> 00:02:09,322
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+我们手动摇动转动或者电机转动 经竖轴运动 横轴运动
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42
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-00:01:44,228 --> 00:01:45,358
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-横轴运动
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+00:02:09,323 --> 00:02:12,623
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+带动调压开关的选择开关的主轴运动
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43
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-00:01:45,358 --> 00:01:48,494
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-带动调压开关的选择开关的主轴运动
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+00:02:12,623 --> 00:02:14,023
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+经旋转齿盘
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44
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-00:01:48,494 --> 00:01:49,934
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-经旋转齿盘
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+00:02:14,023 --> 00:02:16,803
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+拨动下端选择开关齿盘主轴运动
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45
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-00:01:49,934 --> 00:01:52,884
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-拨动下端选择开关齿盘主轴运动
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+00:02:16,803 --> 00:02:20,029
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+让预选连接上层2号抽头绕组
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46
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-00:01:52,884 --> 00:01:55,494
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-让预选连接上层2号抽头绕组
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+00:02:20,030 --> 00:02:23,430
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+同时上端主轴带动切换开关快慢机
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47
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-00:01:56,055 --> 00:01:59,455
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-同时上端主轴带动切换开关快慢机
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+00:02:23,430 --> 00:02:26,900
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+使得触头中间的尾推弹簧机构有节奏的运动
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48
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-00:01:59,455 --> 00:02:02,925
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-使得触头中间的尾推弹簧机构有节奏的运动
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+00:02:27,457 --> 00:02:32,297
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+现在面临的情况是电经过下方分接开关1号绕组连接
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49
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-00:02:03,482 --> 00:02:06,822
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-现在我们面临的情况是1号绕组连接第一个
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+00:02:32,297 --> 00:02:35,537
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+切换开关中的A1触头到达中性点
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50
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-00:02:06,822 --> 00:02:08,572
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-触头到达中性点
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+00:02:35,537 --> 00:02:41,883
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+分接开关2号绕组连接
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51
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-00:02:08,572 --> 00:02:11,562
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-预选2号绕组连接在第四个触头上
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+00:02:41,884 --> 00:02:44,324
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+切换开关中的A4触头上
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52
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-00:02:11,562 --> 00:02:15,672
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-我们的目的是从第一个触头改变成第四个触头
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+00:02:44,324 --> 00:02:47,844
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+首先连接A2
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53
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-00:02:15,672 --> 00:02:17,842
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-我们首先连接第二个触头
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+00:02:47,844 --> 00:02:53,790
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+然后断开A1触头
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54
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-00:02:17,842 --> 00:02:19,842
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-然后断开第一个触头
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+00:02:53,791 --> 00:02:55,377
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+接通A3触头
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55
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-00:02:19,842 --> 00:02:24,482
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-此时电经1号绕组和第二个触头经渡电阻到达中性点
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+00:02:55,377 --> 00:02:58,924
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+断开A2触头
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56
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-00:02:24,482 --> 00:02:26,322
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-接通第三个触头
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+00:02:58,924 --> 00:03:02,684
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+连接第A4触头
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57
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-00:02:26,322 --> 00:02:28,972
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-此时电经1号绕组和2号绕组
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+00:03:02,684 --> 00:03:08,324
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+断开A3触头
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58
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-00:02:28,972 --> 00:02:32,032
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-并联经过渡电阻缓冲到达中性点
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+00:03:08,325 --> 00:03:11,231
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+此时电经过分接开关2号绕组
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59
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-00:02:32,032 --> 00:02:33,442
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-断开第二个触头
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+00:03:11,231 --> 00:03:18,858
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+经过切换开关中的A4触头到达中性点
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60
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-00:02:33,442 --> 00:02:38,622
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-此时电经二档绕组和第三个触头及过渡电阻到达中性点
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+00:03:18,859 --> 00:03:21,659
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+这就是变压器经有载调压开关
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61
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-00:02:38,622 --> 00:02:40,202
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-连接第四个触头
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+00:03:21,659 --> 00:03:24,019
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+顺利从一档调节到二档的位置
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62
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-00:02:40,202 --> 00:02:41,852
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-断开第三个触头
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+00:03:24,579 --> 00:03:25,949
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+需要注意的是
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63
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-00:02:41,852 --> 00:02:46,062
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-此时电经2号绕组经第四个触头到达中性点
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+00:03:25,949 --> 00:03:28,899
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+有载调压开关是不能跳档调节的
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64
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-00:02:46,062 --> 00:02:48,332
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-这就变压器经有载调压开关
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+00:03:28,899 --> 00:03:30,659
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+只逐步一档一档调节
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65
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-00:02:48,332 --> 00:02:50,632
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-顺利从一档调节到二档的位置
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+00:03:30,659 --> 00:03:33,885
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+当八档到九档时情况会比较特殊
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66
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-00:02:51,189 --> 00:02:52,559
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-需要注意的是
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+00:03:33,886 --> 00:03:37,296
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+9档分为9A、9B和9C共三档
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67
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-00:02:52,559 --> 00:02:55,509
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-有载调压开关是不能跳档调节的
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+00:03:37,296 --> 00:03:39,816
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+9B为极性转换的标准档位
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68
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-00:02:55,509 --> 00:02:57,269
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-只逐步一档一档调节
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+00:03:39,816 --> 00:03:40,992
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+可长期运转
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69
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-00:02:57,269 --> 00:03:00,495
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-当八档到九档时情况会比较特殊
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+00:03:40,992 --> 00:03:46,086
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+9A、9C为过渡档位 只可临时运行不可长期运行
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70
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-00:03:00,496 --> 00:03:03,906
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-9档分为9A、9B和9C共三档
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+00:03:46,086 --> 00:03:48,266
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+这就顺利的从加档位置
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71
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-00:03:03,906 --> 00:03:06,426
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-9B为极性转换的标准档位
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+00:03:48,266 --> 00:03:50,076
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+切换到了减档位置
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72
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-00:03:06,426 --> 00:03:07,602
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-可长期运转
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+00:03:50,076 --> 00:03:52,619
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+从十档开始直至加到十七档
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73
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-00:03:07,602 --> 00:03:12,696
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-9A、9C为过渡档位 只可临时运行不可长期运行
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+00:03:52,619 --> 00:03:56,059
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+其过程是1号绕组到8号绕组的切换
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74
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-00:03:12,696 --> 00:03:14,886
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-这就顺利的从加档位置
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+00:03:56,059 --> 00:03:58,759
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+从而完成1-17档的加档过程
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75
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-00:03:14,886 --> 00:03:16,716
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-切换到了减档位置
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+00:03:58,766 --> 00:04:01,099
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+以实现负载的降压过程
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76
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-00:03:16,716 --> 00:03:19,696
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-从十档开始直至加到十七档的过程
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+00:04:01,100 --> 00:04:03,080
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+而减档则恰恰相反
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77
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-00:03:19,696 --> 00:03:22,956
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-是从1号绕组到8号绕组中的切换
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+00:04:03,080 --> 00:04:05,280
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+通过手动或电机反转
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78
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-00:03:22,956 --> 00:03:25,006
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-完成1到17档的切换
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+00:04:05,280 --> 00:04:08,340
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+下面为17档切换至1档的运动状态
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79
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-00:03:25,006 --> 00:03:26,886
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-完成负载的降压过程
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+00:04:08,340 --> 00:04:13,580
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+从而完成17-1档的减档过程 以实现负载的电压升高
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80
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-00:03:26,896 --> 00:03:28,926
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-而减档责恰恰相反
|
|
|
-
|
|
|
-81
|
|
|
-00:03:28,926 --> 00:03:31,066
|
|
|
-通过手动或电机反转
|
|
|
-
|
|
|
-82
|
|
|
-00:03:31,066 --> 00:03:32,356
|
|
|
-来升高负载的电压
|
|
|
-
|
|
|
-83
|
|
|
-00:03:32,910 --> 00:03:36,430
|
|
|
-下面为17档切换至1档的运动状态
|
|
|
-
|
|
|
-84
|
|
|
-00:03:36,430 --> 00:03:41,176
|
|
|
+00:04:13,580 --> 00:04:18,326
|
|
|
以上就是220千伏有载调压开关的构造和工作原理
|
|
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|