Influence of Garton Effect on Measurement of Loss Angle Tangent of Film-paper Composite Dielectric Capacitor and Its Judgment Method

CHEN Xubin

doi:10.14044/j.1674-1757.pcrpc.2020.03.012

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Influence of Garton Effect on Measurement of Loss Angle Tangent of Film-paper Composite Dielectric Capacitor and Its Judgment Method

更新时间：2024-09-14

- Influence of Garton Effect on Measurement of Loss Angle Tangent of Film-paper Composite Dielectric Capacitor and Its Judgment Method
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 3, Pages: 67-70(2020)
- 作者机构：
  
  调峰调频发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.03.012
  CLC： TM53
- Published：2020，
- 稿件说明：
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[1]陈绪滨.Garton效应对膜纸复合介质结构电容器损耗角正切测量的影响及其判断方法[J].电力电容器与无功补偿,2020,41(03):67-70.

CHEN XUBIN. Influence of Garton Effect on Measurement of Loss Angle Tangent of Film-paper Composite Dielectric Capacitor and Its Judgment Method. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 67-70.
[1]陈绪滨.Garton效应对膜纸复合介质结构电容器损耗角正切测量的影响及其判断方法[J].电力电容器与无功补偿,2020,41(03):67-70. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.012.

CHEN XUBIN. Influence of Garton Effect on Measurement of Loss Angle Tangent of Film-paper Composite Dielectric Capacitor and Its Judgment Method. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 67-70. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.012.

摘要

膜纸复合介质结构电容器在电力系统中的应用越来越广泛

与传统油纸绝缘电容器相比

膜纸复合介质结构电容器的一大优势是其介质损耗角正切（tanδ）更小

在运行时其介质损耗也更小

但是由于Garton效应的存在

在进行介质损耗角正切试验分析时

可能会误判膜纸复合介质电容器的绝缘状态。本文首先简要阐述了Garton效应机理

并通过两个实例

分析了Garton效应对膜纸复合介质结构电容器损耗角正切的影响程度。笔者还就如何确定电容器是否发生Garton效应提出了建议。

Abstract

Film-paper composite dielectric capacitors are used more and more widely in power system swhich

compared with traditional oil-paper insulated capacitor

has such advantage as smaller dielectric loss tangent（tan δ） and smaller dielectric loss in operation.However

due to the existence of Garton effect

the insulation state of the film-paper composite dielectric capacitor may be misjudged when the dielectric loss tangent test is performed.In this paper

mechanism of Garton effect is described briefly and the influence of Garton effect on dielectric Dissipation factor measurement of Film-paper composite dielectric capacitor through is analyzed by two examples.The suggestion on how to determine the capacitor has Garton effect is proposed by the author.

关键词

Garton效应膜纸复合介质结构电容器损耗角正切试验电压

Keywords

Garton effectfilm-paper composite dielectric capacitorloss angle tangenttest voltage

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