电子世界
電子世界
전자세계
ELECTRONICS WORLD
2014年
18期
351-352,353
,共3页
变压器%绕组变形%频率响应法%低压脉冲法%扫频法
變壓器%繞組變形%頻率響應法%低壓脈遲法%掃頻法
변압기%요조변형%빈솔향응법%저압맥충법%소빈법
Transformer%Winding Deformation%Low-Voltage Impulse Method%Frequency Response Analysis%Sweep Frequency Response Analysis
频率响应法在变压器绕组变形诊断中应用广泛。本文介绍了频率响应法(包括低压脉冲法和扫频法)的原理,分析了典型的测量方法,并从扫频频率范围、频率曲线特性、曲线相似性比较等三方面对国内外研究现状进行了总结。明确了不同频率段与故障类型的关系,对比了不同曲线比较方法的准确性,提出应以频率响应法的检测结果结合其他方法,建立一个多属性决策(MADM)的综合评价体系,为变压器绕组变形的诊断提供有利条件。
頻率響應法在變壓器繞組變形診斷中應用廣汎。本文介紹瞭頻率響應法(包括低壓脈遲法和掃頻法)的原理,分析瞭典型的測量方法,併從掃頻頻率範圍、頻率麯線特性、麯線相似性比較等三方麵對國內外研究現狀進行瞭總結。明確瞭不同頻率段與故障類型的關繫,對比瞭不同麯線比較方法的準確性,提齣應以頻率響應法的檢測結果結閤其他方法,建立一箇多屬性決策(MADM)的綜閤評價體繫,為變壓器繞組變形的診斷提供有利條件。
빈솔향응법재변압기요조변형진단중응용엄범。본문개소료빈솔향응법(포괄저압맥충법화소빈법)적원리,분석료전형적측량방법,병종소빈빈솔범위、빈솔곡선특성、곡선상사성비교등삼방면대국내외연구현상진행료총결。명학료불동빈솔단여고장류형적관계,대비료불동곡선비교방법적준학성,제출응이빈솔향응법적검측결과결합기타방법,건립일개다속성결책(MADM)적종합평개체계,위변압기요조변형적진단제공유리조건。
Frequency response analysis is now widely used in transformer winding deformation diagnostics.The principle of frequency response analysis (including low-voltage impulse method and sweep frequency response analysis) is brielfy introduced and typical measurement setup is discussed.This paper presents a review on the current state of FRA method on transformer winding deformation diagnostics including selecting of the frequency range,the characteristics of the frequency response curve,and comparing of the curve similarity.In the paper,the relationship of the frequency band and the fault type is deifned.Different methods of comparing frequency response curves are contrasted.This paper suggests a comprehensive criterion should be careful y designed and testiifed and the future research should be emphasized on building a system which can be regarded as a MADM problem.