Engineering Calculation Method for Cooling Transformer Winding and Oil Temperature Rise of Chip Radiator

WANG Nan; XIE Qing; WANG Wei; WEI Jufang; ZHANG Jiantao

doi:10.13296/j.1001-1609.hva.2018.10.011

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Engineering Calculation Method for Cooling Transformer Winding and Oil Temperature Rise of Chip Radiator

更新时间：2025-04-26

- Engineering Calculation Method for Cooling Transformer Winding and Oil Temperature Rise of Chip Radiator
- High VoltageApparatus Vol. 54, Issue 10, Pages: 63-68+75(2018)
- 作者机构：
  
  1. 国网天津市电力公司电力科学研究院
  2. 华北电力大学河北省输变电设备安全防御重点实验室
  3. 国网武汉供电公司武昌配电运检室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.10.011
  CLC： TM41
- Published：2018
- 稿件说明：
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[1]王楠,谢庆,王伟,魏菊芳,张建涛.片式散热器冷却变压器绕组和油的温升工程计算方法的研究[J].高压电器,2018,54(10):63-68+75.

WANG Nan, XIE Qing, WANG Wei, et al. Engineering Calculation Method for Cooling Transformer Winding and Oil Temperature Rise of Chip Radiator[J]. High voltageapparatus, 2018, 54(10): 63-68+75.
[1]王楠,谢庆,王伟,魏菊芳,张建涛.片式散热器冷却变压器绕组和油的温升工程计算方法的研究[J].高压电器,2018,54(10):63-68+75. DOI： 10.13296/j.1001-1609.hva.2018.10.011.

WANG Nan, XIE Qing, WANG Wei, et al. Engineering Calculation Method for Cooling Transformer Winding and Oil Temperature Rise of Chip Radiator[J]. High voltageapparatus, 2018, 54(10): 63-68+75. DOI： 10.13296/j.1001-1609.hva.2018.10.011.

摘要

片式散热器冷却变压器具有散热效率高

散热能力强的优点

其绕组和油的温升直接影响了变压器的绝缘性能

因此对变压器绕组和油的温升进行研究具有十分重要的意义。现有的绕组和油的温升计算方法较为复杂

计算误差相对较大。为了简化计算量

提高计算效率

避免复杂过程

提出了一种片式散热器冷却变压器绕组和油的温升工程计算方法

在分析了变压器的发热散热过程基础上

对片式散热器冷却变压器绕组对油的平均温升（铜油温差）、油平均温升、油顶层温升、绕组平均温升等进行计算

将工程计算的结果与变压器厂测得的结果做对比

验证了该工程算法的可行性。

Abstract

The chip radiator cooling transformer has the advantages of high efficiency and strong ability in heat radia-tion. As the windings and the oil temperature rise can directly affect the insulation performance of the transformer

itis of great significance to study its windings and the oil temperature rise. The existing calculation method of the wind-ings and the oil temperature rise is rather complicated

with relatively large calculation error. In order to simplify thecalculation

improve the calculation efficiency and avoid the complicated process

this paper proposes a new calcula-tion method

the engineering calculation method of cooling transformer windings and the oil temperature rise of chipradiator. The algorithm is to calculate the number of the windings

the average temperature rise of windings for oil（the copper oil temperature rise）

the average oil temperature rise

the top oil temperature rise and the average tem-perature rise of the windings on the basis of the heat generation and radiation analysis. This engineering calculationmethod is proved feasible after its calculation result is compared with that from the transformer factory.

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