Study on the Digital Processing for On-line Detection of Dielectric Loss

doi:10.13296/j.1001-1609.hva.2000.03.006

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Study on the Digital Processing for On-line Detection of Dielectric Loss

更新时间：2025-04-26

- Study on the Digital Processing for On-line Detection of Dielectric Loss
- High VoltageApparatus Issue 3, Pages: 17-19(2000)
- 作者机构：
  
  1. 西安交通大学,西安,710049
  2. 西安高压电器研究所,西安,710077
  3. 西安交通大学!西安710049西安高压电器研究所,西安,710077
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2000.03.006
  CLC： TM934
- Published：2000
- 稿件说明：
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[1]曹宇亚,申忠如,任稳柱.介质损耗带电检测数字化处理方法的研究[J].高压电器,2000(03):17-19.

Study on the Digital Processing for On-line Detection of Dielectric Loss[J]. High voltageapparatus, 2000, (3): 17-19.
[1]曹宇亚,申忠如,任稳柱.介质损耗带电检测数字化处理方法的研究[J].高压电器,2000(03):17-19. DOI： 10.13296/j.1001-1609.hva.2000.03.006.

Study on the Digital Processing for On-line Detection of Dielectric Loss[J]. High voltageapparatus, 2000, (3): 17-19. DOI： 10.13296/j.1001-1609.hva.2000.03.006.

摘要

目前对介质损耗角进行带电检测通常采用快速ＦＦＴ算法，但这种方法在窗长不等于被测信号周期或其整数倍时，会出现“频谱泄漏”现象，从而使测量结果产生误差。文中介绍了一种采用数字滤波与相关技术相结合的新算法，较好地解决了这一问题。

Abstract

The FFT algorithm is used in the measurement of dielectric loss broadly

but it could make "frequency leak" problem when the length of window is not equal to the signal’s cycle or the integer times of it

which will create the measurement error. A new algorithm

which combines the digital filter together with the correlation method is explained in this paper that can solve the above problem well.

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