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一种前接线二次保护装置显示终端的设计与实现 被引量:6

Design and implementation of the display terminal for secondary protection devices front wiring
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摘要 为了满足标准配送式智能变电站预制舱式二次组合设备安装使用要求,针对装置本体与显示终端分离的前接线二次保护装置,给出一种前接线二次保护装置显示终端的设计与实现方法。基于该方法设计的显示终端,采用独立的自带CPU,通过屏蔽以太网线与保护装置本体通信,抗电磁干扰性能较强,安装位置可以根据实际需求灵活部署。软件设计基于嵌入式实时Linux操作系统,通过自适应信息组织方式,实现兼容多种保护装置的信息显示。中国电力科学研究院测试结果与某220k V变电站的成功试运行证明了该显示终端适用于多种前接线二次保护装置的正确性和实用性。 In order to meet the installation requirements of prefabricated type combination secondary equipment tank in standard distribution type intelligent substation, in view of the secondary protection devices front wiring that the display terminals are separated from the protection devices, the method of design and implementation of the display terminal for secondary protection devices front wiring is proposed. The display terminal based on the method above, which has good electromagnetic interference resistance and flexible deployment, adopts the independent CPU and communicates with the protection device ontology via Ethernet cable. The terminal is based on embedded real-time Linux operating system, which organizes the information in the adaptive way to be compatible with variable protection devices. The correctness and practicability of the display terminal are proved by the test results of China Electric Power Research Institute and the successful trial in one 220 kV substation.
出处 《电力系统保护与控制》 EI CSCD 北大核心 2015年第1期98-101,共4页 Power System Protection and Control
关键词 标准配送式 智能变电站 预制舱式二次组合设备 前接线二次保护装置 显示终端 standard distribution type intelligent substation prefabricated tank type quadratic combination device secondary protection devices wiring front board display terminal
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