励磁功率柜散热设计  

Thermal Design of Rectifiers for Excitation System

作　　者：许敬涛[1] 梁永万[1] 李孔潮[1] 冯广志[1] 黄志豪[1] 

机构地区：[1]广州电器科学研究院,广州510300

出　　处：《大电机技术》2011年第1期61-64,共4页Large Electric Machine and Hydraulic Turbine

摘　　要：本文阐述了励磁功率柜强迫风冷散热的设计原则,给出了可控硅功耗和温升的计算公式,概述了散热器和风机选型要考虑的主要指标,海拔高度对散热的影响也给予了定量的分析。This paper introduces the guidelines of thermal design of rectifiers for excitation system,and shows the principle of calculating power losses and temperature rise of thyristor.The main indexes should be considered when selecting heatsink and fan.The quantitative analysis of the altitude effect on the excitation has also been given.

关 键 词：励磁系统 功率柜 强迫风冷 可控硅 热阻 风量 

分 类 号：TM621.6[电气工程—电力系统及自动化]