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.
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.
1号发电机风冷系统存在问题与改进
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