电测与仪表
電測與儀錶
전측여의표
Electrical Measurement & Instrumentation
2015年
18期
96-100
,共5页
韩伟%石光%刘磊%赵文沛%彭锦凤
韓偉%石光%劉磊%趙文沛%彭錦鳳
한위%석광%류뢰%조문패%팽금봉
智能变电站%行波测距%IEC61850%电子式互感器%行波传感器
智能變電站%行波測距%IEC61850%電子式互感器%行波傳感器
지능변전참%행파측거%IEC61850%전자식호감기%행파전감기
smart substation%traveling wave fault location%IEC61850%electronic transformer%traveling wave sensor
为解决当前智能变电站行波测距装置遇到的困境,设计研发了一套智能变电站行波测距系统。介绍了智能变电站行波测距系统的构成,研发了满足IEC61850标准的行波测距主站,研制了不受PT/CT采样率限制的行波传感器,设计了基于纯硬件电路辨识行波的行波采集装置硬件方案及软件流程。并通过实验的方法验证了本系统的测距准确性,能够准确的定位故障距离。本系统可避免对电子式互感器进行改造,促进行波测距技术在智能变电站的应用及推广。
為解決噹前智能變電站行波測距裝置遇到的睏境,設計研髮瞭一套智能變電站行波測距繫統。介紹瞭智能變電站行波測距繫統的構成,研髮瞭滿足IEC61850標準的行波測距主站,研製瞭不受PT/CT採樣率限製的行波傳感器,設計瞭基于純硬件電路辨識行波的行波採集裝置硬件方案及軟件流程。併通過實驗的方法驗證瞭本繫統的測距準確性,能夠準確的定位故障距離。本繫統可避免對電子式互感器進行改造,促進行波測距技術在智能變電站的應用及推廣。
위해결당전지능변전참행파측거장치우도적곤경,설계연발료일투지능변전참행파측거계통。개소료지능변전참행파측거계통적구성,연발료만족IEC61850표준적행파측거주참,연제료불수PT/CT채양솔한제적행파전감기,설계료기우순경건전로변식행파적행파채집장치경건방안급연건류정。병통과실험적방법험증료본계통적측거준학성,능구준학적정위고장거리。본계통가피면대전자식호감기진행개조,촉진행파측거기술재지능변전참적응용급추엄。
In order to solve the embarrassments of the traveling wave fault location device in the smart substation , we have developed a new traveling wave fault location system .This article introduced the structure of the traveling wave fault location system .It includes a master station which can meet the requirements of IEC 61850 , and a traveling wave sensor which is not restricted by the PT/CT sampling rate.In addition, the hardware scheme and software process for the traveling wave data acquisition device which is based on hardware circuit were designed .The accuracy of this sys-tem on fault location is verified by experimental method , which is able to accurately locate the fault distance .This so-lution can avoid a modification of the electronic transformer and promote the application and popularization of traveling wave fault location technology in the smart substation .