Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer

MAO Chen-lin; ZHANG Si-jiang; TAN Yan-min

doi:10.13296/j.1001-1609.hva.2011.10.012

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Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer

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- Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer
- High VoltageApparatus Vol. 47, Issue 10, Pages: 60-62+68(2011)
- 作者机构：
  
  陕西电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.10.012
  CLC： TM451
- Published：2011
- 稿件说明：
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[1]毛琛琳,张四江,谭彦民.750kV CVT中间变压器介损试验分析[J].高压电器,2011,47(10):60-62+68.

MAO Chen-lin, ZHANG Si-jiang, TAN Yan-min. Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer[J]. High voltageapparatus, 2011, 47(10): 60-62+68.
[1]毛琛琳,张四江,谭彦民.750kV CVT中间变压器介损试验分析[J].高压电器,2011,47(10):60-62+68. DOI： 10.13296/j.1001-1609.hva.2011.10.012.

MAO Chen-lin, ZHANG Si-jiang, TAN Yan-min. Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer[J]. High voltageapparatus, 2011, 47(10): 60-62+68. DOI： 10.13296/j.1001-1609.hva.2011.10.012.

摘要

介绍了750 kV CVT中间变压器现场介损试验的现场测试情况

分析了试验数据超标的原因及按照规程中规定的介损标准进行设备绝缘状态判定的难度

并提出了下一步如何在现场进行交接试验判断CVT电磁单元绝缘状况的建议。

Abstract

Field dielectric loss test of 750 kV CVT intermediate transformer is introduced;the reason why the test data exceed criterion is analyzed;the difficulty in evaluation of equipment insulation status in accordance with the dielectric loss values from the related regulations and standards is discussed

and an suggestion for insulation judgment of CVT electromagnetic unit through field handover test is offered.

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