Development of an oil level measuring device for transformer oil conservators

马瑾; 马奎

doi:10.3969/j.issn.1672-3643.2025.06.011

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Development of an oil level measuring device for transformer oil conservators

更新时间：2026-01-09

- Development of an oil level measuring device for transformer oil conservators
- Ningxia Electric Power Issue 6, (2025)
- 作者机构：
  
  1. 北方民族大学土木工程学院,宁夏,银川,750021
  2. 北方民族大学电气信息工程学院,宁夏,银川,750021
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1672-3643.2025.06.011
  CLC：
- Published Online：22 December 2025，
  
  Published：22 December 2025
- 稿件说明：
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马瑾, 马奎. Development of an oil level measuring device for transformer oil conservators[J]. Ningxia Electric Power, 2025, (6).
DOI：

马瑾, 马奎. Development of an oil level measuring device for transformer oil conservators[J]. Ningxia Electric Power, 2025, (6). DOI： 10.3969/j.issn.1672-3643.2025.06.011.

摘要

储油柜油位是油浸式电力变压器运行的重要非电量参数。对于隔膜式或胶囊式密封储油柜，由于传动元件损坏卡涩，浮球损坏松脱等原因，导致油位计损坏事故时有发生，严重影响变压器安全稳定运行，因此有必要定期对储油柜油位进行测量核实。为精确、快捷测量储油柜油位，本文开发了基于油箱油压测量和激光测距原理的储油柜油位测量装置，该装置通过测量变压器油箱取油口处油压计算油面相对高度，基于角度测量及激光测距技术在储油柜表面清晰指示实际油位位置。为验证测量效果，在储油柜750 kV某变电站进行了现场油位测量，结果表明本文所研发的储油柜油位测量装置能够准确测量储油柜油位，可替代红外测温法、连通器法进行油位测量。

Abstract

The oil level in an oil conservator is an important non-electrical parameter for monitoring the operating condition of oil-immersed power transformers.In diaphragm or bladder-type sealed oil conservators

damage or jamming of transmission components and loosening or detachment of float balls often cause oil level gauge failures

posing risks to the safe and stable operation of transformers.Therefore

it is necessary to regularly verify the oil level of the conservator.Field tests were conducted at a 750 kV substation to verify the performance of the device.The results show that the developed oil level measuring device accurately measures the oil level instead of measurements obtained using infrared thermometry and the communicating vessel methods.

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