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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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用于本地操作

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远程分合闸

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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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当分合闸旋钮kk打到本地控制时

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可旋至手动合闸

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让KK1   2接通

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使合闸线圈HQ吸合 用于合闸

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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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当选至远程时5      6端子接通 7      8端子接通

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可用远程合闸入口和远程分闸入口

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接到国网平台

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远控箱去

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去分合闸断路器

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2:该线路可通过接入微机综合保护器

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让其具备两套独立的二次重合闸功能

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和两套独立的远程跳闸功能

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来自两套独立的微机保护器的重合闸常开点HJ1和HJ2

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可使意外跳闸时

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根据微保设置 来一次重合闸

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当不想利用该功能时

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或者检修时

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可挑其保护连片

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远程跳闸TJ1和TJ2

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保护跳闸入口可接入两套独立的微机保护

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或者其他保护继电器

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有的也会接入两套独立的跳闸线圈

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用于需要跳闸时的跳闸

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其中微机保护中的设置保护参数需一致

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3:该线路具备防跳跃功能

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TBJV继电器在断路器分闸时吸合

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通过它的辅助触点串入合闸回路

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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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4:KKJ是合后继电器也称磁保持继电器

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通过D1、

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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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才能让其动作

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动作后不自动返回

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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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其接点可以用于重合闸

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5:HYI与TYJ是合闸和跳闸压力继电器

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接入断路器机构的气压接点

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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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如果六氟化硫气体有泄露

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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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将操作回路断开

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禁止操作

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6:位置继电器HWJ

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TWT的作用有两个

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一是显示当前开关位置

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二是监视跳、合线圈是否完好

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7:控制电源采双电源系统

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利用JJ继电器

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当一号直流屏电源KM1

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失电后 自动切换到备用电源KM2