电气技术
電氣技術
전기기술
ELECTRICAL ENGINEERING
2011年
12期
15-16
,共2页
行波故障测距%电流行波%电压行波%电容式电压互感器%小波变换%高速数据采集
行波故障測距%電流行波%電壓行波%電容式電壓互感器%小波變換%高速數據採集
행파고장측거%전류행파%전압행파%전용식전압호감기%소파변환%고속수거채집
travelingwave fault location%current travelingwave%voltage travelingwave%capacitor voltage transformer（CVT）%wavelet transformation%high speed data acquisition
本文首先对基于电流行波和电压行波原理的故障测距进行了比较,接下来着重论证了提取电容式电压互感器（CVT）二次电压行波进行故障测距的可行性,并对CVT的行波传变能力进行了仿真分析,提出了小波变换和高速数据采集是保证电压行波故障测距准确性的两个重要方法。最后介绍了基于电压行波原理故障测距的应用情况及发展前景。
本文首先對基于電流行波和電壓行波原理的故障測距進行瞭比較,接下來著重論證瞭提取電容式電壓互感器（CVT）二次電壓行波進行故障測距的可行性,併對CVT的行波傳變能力進行瞭倣真分析,提齣瞭小波變換和高速數據採集是保證電壓行波故障測距準確性的兩箇重要方法。最後介紹瞭基于電壓行波原理故障測距的應用情況及髮展前景。
본문수선대기우전류행파화전압행파원리적고장측거진행료비교,접하래착중론증료제취전용식전압호감기（CVT）이차전압행파진행고장측거적가행성,병대CVT적행파전변능력진행료방진분석,제출료소파변환화고속수거채집시보증전압행파고장측거준학성적량개중요방법。최후개소료기우전압행파원리고장측거적응용정황급발전전경。
The paper makes a comparison of fault location based on current travelingwave principle and voltage travelingwave principle firstly.And then it demonstrate the feasibility of fault location based on CVT secondary voltage travellingwave.The capability of CVT traveling wave transmission is simulated and analyzed.It Puts forward that wavelet transformation and high speed data acquisition are two two important ways for accuracy of voltage travelingwave fault location.The applications and development prospects of voltage travelingwave fault location are introduced finally.
