Dielectric constant methed based monitoring method for turbine oil quality

TANG Jinwei; LI Yefeng; LIU Yongluo; WANG Juan; XIAO Xiuyuan; CHANG Zhijun; YAN Suoning

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Dielectric constant methed based monitoring method for turbine oil quality

Thermal Power Generation Vol. 44, Issue 5, Pages: 50-54(2015)

更新时间：2025-09-28

- Dielectric constant methed based monitoring method for turbine oil quality
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK263.64
- Published：2015
- 稿件说明：
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TANG Jinwei, LI Yefeng, LIU Yongluo, et al. Dielectric constant methed based monitoring method for turbine oil quality[J]. Thermal Power Generation, 2015, 44(5): 50-54.
DOI：

TANG Jinwei, LI Yefeng, LIU Yongluo, et al. Dielectric constant methed based monitoring method for turbine oil quality[J]. Thermal Power Generation, 2015, 44(5): 50-54. DOI：

摘要

阐述了基于介电常数法的汽轮机油质量监测方法及原理

以某电厂32号L-TSA运行汽轮机油为例

通过试验研究了汽轮机油中的水分、金属磨粒浓度、老化时间及油液温度与油液介电常数之间的变化规律。结果表明

汽轮机油的介电常数随水分、金属磨粒浓度、老化时间的增加而增大;油液介电常数与油温呈线性关系;介电常数作为汽轮机油污染的评价指标是可行的。

Abstract

The dielectric constant based turbine oil quality monitoring method and the principle was presented.Moreover

taking the No.32L-TSA turbine oil in a power plant as the example

the effects of several factors on dielectric constant of the turbine oil were experimentally investigated

such as water content

metal debris

ageing time and oil temperature.The results show that

the dielectric constant of turbine oil increased with the water content

metal debris content and ageing time

it is in proportion to oil temperature.Therefore

using the dielectric constant as the evaluation index of turbine oil pollution is feasible.

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