EXISTING PROBLEMS IN AIR-COOLING SYSTEM OF GENERATOR NO.1 AND RETROFIT THEREOF

LIU Feng; YANG Gui-ying

doi:10.19666/j.rlfd.2006.08.022

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EXISTING PROBLEMS IN AIR-COOLING SYSTEM OF GENERATOR NO.1 AND RETROFIT THEREOF

Thermal Power Generation Issue 8, Pages: 63-64(2006)

更新时间：2025-09-28

- EXISTING PROBLEMS IN AIR-COOLING SYSTEM OF GENERATOR NO.1 AND RETROFIT THEREOF
- 作者机构：
  
  平煤集团坑口电厂
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2006.08.022
  CLC： TM311
- Published：2006
- 稿件说明：
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LIU Feng, YANG Gui-ying. EXISTING PROBLEMS IN AIR-COOLING SYSTEM OF GENERATOR NO.1 AND RETROFIT THEREOF[J]. Thermal Power Generation, 2006, (8): 63-64.
DOI：

LIU Feng, YANG Gui-ying. EXISTING PROBLEMS IN AIR-COOLING SYSTEM OF GENERATOR NO.1 AND RETROFIT THEREOF[J]. Thermal Power Generation, 2006, (8): 63-64. DOI： 10.19666/j.rlfd.2006.08.022.

摘要

平煤集团坑口电厂1号发电机定子线圈中部温度偏高

限制了发电机的出力

经过分析和试验

发现发电机冷却风分布不合理是造成定子线圈中部温度偏高的主要原因。针对这一问题

对发电机冷却风系统进行了改进

改进后定子线圈中部温度大幅度下降

发电机可多带负荷5000kW左右

效果良好。

Abstract

The midle part temperature of stator winding for generator no.1 in mine-mouth power plant under Pingmei Group was somewhat higher

limiting the output capacity of said generator. Through analysis and test

it has been found that the unreasonable distribution of generator’s cooling air to be the main cause resulting in high midle part temperature of the stator winding. Directing against the said problem

retrofit of the cooling air system for the generator has been carried out. After retrofitting

the midle part temperature of stator winding has been greatly lowered

the generator can additionally be loaded about 5000 kW

having good result.

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