一种反孤岛自动报警装置  

An Anti-island Automatic Alarm Device

作　　者：李一雯 林俊 何瑾 张叶 张眉 LI Yiwen;LIN Jun;HE Jin;ZHANG Ye;ZHANG Mei(State Grid Zhejiang Taizhou Jiaojiang Power Supply Co.,Ltd,Zhejiang 318000,China)

机构地区：[1]国网浙江台州市椒江区供电有限公司,浙江318000

出　　处：《集成电路应用》2020年第5期96-97,共2页Application of IC

基　　金：浙江电网电力系统科技创新课题项目。

摘　　要：研制一种反孤岛自动报警装置,通过实时测量台区关口处电压和电流情况,判断出功率方向。定义由高压侧流向低压侧属于正常运行方式,或者由低压侧流向高压侧属于孤岛运行方式。需要自动报警并上传反孤岛保护的动作情况。当主网恢复供电时,装置的自动送电模块经过一个可以调节的延时之后,躲过变电站开关的重合闸时间,给并网开关发出合闸命令,实现自动并网发电,省去了人工送电的时间,提高发电效益。In this paper,an anti islanding automatic alarm device is developed.The power direction is determined by real-time measuring the voltage and current at the gateway.It is defined that the flow from high pressure side to low pressure side is normal operation mode,or the flow from low pressure side to high pressure side is island operation mode.It needs to alarm automatically and upload the action of anti island protection.When the power supply of the main network is restored,the automatic power transmission module of the device,after an adjustable delay,avoids the reclosing time of the substation switch,sends the closing command to the grid switch,realizes the automatic grid connected power generation,saves the time of manual power transmission,and improves the power generation efficiency.

关 键 词：电气自动化 孤岛监测 短信报警 自动合闸 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]