期刊文献+
共找到3篇文章
< 1 >
每页显示 20 50 100
220kV主变跳闸及35kV母线失压事故分析及防范措施 被引量:1
1
作者 杨鑫 黄佳林 陈懿 《电气技术与经济》 2024年第1期330-332,共3页
本文介绍某220kV变电站2号主变第一、二套接地变零序过流保护动作,导致2号主变跳闸;35kV二/三段分段自切后加速动作,自切动作不成功,导致35kV三段母线失压。分析继电保护装置动作情况及一次设备检查情况,制定相应反事故措施及注意事项,... 本文介绍某220kV变电站2号主变第一、二套接地变零序过流保护动作,导致2号主变跳闸;35kV二/三段分段自切后加速动作,自切动作不成功,导致35kV三段母线失压。分析继电保护装置动作情况及一次设备检查情况,制定相应反事故措施及注意事项,减少类似事件的发生。 展开更多
关键词 接地变零序过流保护动作 主变失电 三段母线失压 自切零序后加速动作
下载PDF
35kV变电站全站失电事故的分析处理 被引量:1
2
作者 倪方云 《农村电气化》 2008年第6期26-27,共2页
该文分析了一起因架空线路发生故障,断路器拒动引起35kV变电站全站失电事故的分析,及事故处理,总结了事故暴露的问题和应采取的对策。
关键词 全站失电 保护拒动 自切动作 过流保护
下载PDF
Electro-Mechanical Phase Shifters Based on MEMS Structure
3
作者 Antonenko Anton Sergeevish Geraimchuk Michael Dem'yanivich Dubrovka Fedir Fedorovich 《Journal of Mechanics Engineering and Automation》 2013年第7期421-423,共3页
The aim of the study of phase shifter on MEMS (micro-electro-mechanical systems) structures was to minimize the dimensions of the design achievement. Also, the main task was to achieve the reliability and durability... The aim of the study of phase shifter on MEMS (micro-electro-mechanical systems) structures was to minimize the dimensions of the design achievement. Also, the main task was to achieve the reliability and durability of the device. The calculation was based on the optimization technique (step by step) and the modeling of individual parts of the device, namely MEMS-keys that perform the main function--switching. The urgency of this problem is the development and study of one device as a universal, that is, automatically switches from two signals simultaneously. Designs are original and devises are the intellectual property of the authors. The program for modeling phase shifters Computer Simulation Technology Microwave Studio and its results are presented in the paper. 展开更多
关键词 MEMS phase shifter dielectric layer.
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部