Discussion on Insulation Thermal Stability Test Techniques of Oil-immersed Current Transformer

SHEN Meng; WANG Lu; LIU Chen; ZHONG Lei; DANG Yuan; LU Jianting; ZHANG Yimin

doi:10.14044/j.1674-1757.pcrpc.2018.05.012

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Discussion on Insulation Thermal Stability Test Techniques of Oil-immersed Current Transformer

更新时间：2024-09-14

- Discussion on Insulation Thermal Stability Test Techniques of Oil-immersed Current Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 5, Pages: 64-69(2018)
- 作者机构：
  
  西安高压电器研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.05.012
  CLC： TM452
- Published：2018，
- 稿件说明：
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[1]申萌,王露,刘宸,钟磊,党原,陆建挺,张益民.油浸式电流互感器绝缘热稳定试验技术探讨[J].电力电容器与无功补偿,2018,39(05):64-69.

SHEN MENG, WANG LU, LIU CHEN, et al. Discussion on Insulation Thermal Stability Test Techniques of Oil-immersed Current Transformer. [J]. Power capacitor & reactive power compensation, 2018, 39(5): 64-69.
[1]申萌,王露,刘宸,钟磊,党原,陆建挺,张益民.油浸式电流互感器绝缘热稳定试验技术探讨[J].电力电容器与无功补偿,2018,39(05):64-69. DOI： 10.14044/j.1674-1757.pcrpc.2018.05.012.

SHEN MENG, WANG LU, LIU CHEN, et al. Discussion on Insulation Thermal Stability Test Techniques of Oil-immersed Current Transformer. [J]. Power capacitor & reactive power compensation, 2018, 39(5): 64-69. DOI： 10.14044/j.1674-1757.pcrpc.2018.05.012.

摘要

本文在介绍GB/T 20840.2—2014标准中关于绝缘热稳定试验技术要求的基础上

以设备最高电压300 kV油浸式电流互感器为试品开展绝缘热稳定试验技术研究

介绍了绝缘热稳定试验的两种试验回路

即直接法试验回路和间接法试验回路

分析了电压、额定连续热电流以及其作用时间和油浸式电流互感器温度、介质损耗因数和电容量的关系。

Abstract

In this paper

the study of insulation thermal stability test techniques with 300 kV（maximumvoltage of the equipment）oil-immersed current transformer prototype is developed on the basis of insulationthermal stability test techniques in GB/T 20840.2—2014 standard and

such two test circuits for insula-tion thermal stability test as direct and indirect test methods are introduced. And the relations among volt-age

rated continuous thermal current

its action time and temperature

dielectric dissipation factor and ca-pacitance of oil immersed current transformer is analyzed.

关键词

油浸式电流互感器绝缘热稳定试验标准试验回路介质损耗因数电容量

Keywords

oil-immersed current transformerinsulation thermal stability teststandardtest circuitdielectric dissipation factorcapacitance

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