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实用新型
CN202678947U 一种改进型开关控制“三取二”闭锁回路 失效 - 权利终止

一种改进型开关控制“三取二”闭锁回路
摘要：
本实用新型涉及一种改进型开关控制“三取二”闭锁回路，其特征在于：在2DL、3DL并联回路中再并入一个压板1LP4。在2DL、3DL、1LP4的并联回路中再并入一对保护装置输出空节点。在控制回路中增加遥控解锁回路。本实用新型手动操作时，运行人员就地通过投入连片安全、快速的手动解除开关控制“三取二”闭锁功能。远方遥控操作时，遥控人员远方安全、快速的遥控解除开关控制“三取二”闭锁功能；减少了改变运行方式时的安全隐患，提高了供电可靠性，提升了优质服务水平，极大的缩短了改变运行方式的操作时间。
摘要（英）：

The utility model relates to an improved switch control 'two-out-of-three' locking loop. The improved switch control 'two-out-of-three' locking loop is characterized in that: a pressure plate 1LP4 is then incorporated into a parallel loop of 2DL and 3DL. A pair of protection device output blank nodes are then incorporated into a parallel loop of the 2DL, the 3DL, and the 1LP4. A remote unlocking loop is added in a control loop. When the manual operation is performed, an operator safely, quickly and manually disables the switch control 'two-out-of-three' locking function in situ. When the remote control operation is performed, a remote control operator safely, quickly and remotely disables the switch control 'two-out-of-three' locking function; the hidden trouble due to changing the operation way is reduced, the power supply reliability is improved, the level of best service is improved, and the operation time for changing the operation way is greatly shortened.

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