一次手合后加速误动的原因分析  

Cause Analysing of Speeding up Wrong Action of Protection after One Hand Operated Switch

作　　者：郝永晶 修伟[2] 

机构地区：[1]运城供电分公司,山西运城044000 [2]山西电力科学研究院,山西太原030001

出　　处：《山西电力》2004年第2期36-38,共3页Shanxi Electric Power

摘　　要：10kV采取单母分段带旁母接线形式的运城北郊变电站,某次检修开关工作结束后,结束旁带操作过程中开关启动,经分析一次系统采用该接线方式的变电站在这种运行方式下保护存在误动的可能,并可能使某些设备过负荷,在运行中应避免这种运行方式。Yuncheng North Substation which is 10 kV that take the style of single dividing into parts and other wiring.Once,after overhauling the work of the switch,the switch had an error movement during the operating of the finishing of other wiring.After analysing,the substation that with once system take the style of this wiring can protect the error movement under the way of circulation,moreover,it can make some equipments work beyond burden,This way of circulation should be avoided when the machine is in motion.

关 键 词：电力系统 接线方式 运行方式 误动 变电站 

分 类 号：TM732[电气工程—电力系统及自动化] TM63