摘要
为了改善变压器室内的通风散热效果,保障室内设备安全运行,采用数值模拟方法研究某变压器室的温度场及速度场,并验证模拟准确性。对变压器室的进风口进行优化改进,研究进风口位置、进风口流量及进风角度对室内通风散热的影响。结果表明:在其他条件一定时,进风口位置宜设置在散热器中心高度位置或稍微偏下处;,进风口的流量选择10 m3/s较为合适;进风口角度宜选择在20°~30°之间。为变压器室通风散热优化提供一定的参考,对工程实践具有一定的指导意义。
In order to improve the ventilation and heat dissipation effect of transformer room and ensure the safe operation of transformer room.The distribution of air temperature field and velocity field in a transformer room was studied by numerical simulation and the accuracy of simulation was verified.The air inlet of transformer room was optimized and improved.The influence of air intake location,flow rate and angle on indoor temperature field was studied.It is concluded that when other conditions remain unchanged,the position of air intake should be set at the height of radiator center or slightly below it;it is suitable to choose 10 m 3/s as the flow rate of the air intake;and the inlet angle should be between 20°?30°.It provides some references for optimization of ventilation and heat dissipation of transformer room.It has certain guiding significance for engineering practice.
作者
徐天光
王永庆
张勇
朱超
马玉龙
傅金柱
XU Tianguang;WANG Yongqing;ZHANG Yong;ZHU Chao;MA Yulong;FU Jinzhu(State Grid Shaanxi Electric Power Research Institute,Xi'an 710100,China;College of Mechanical&Electrical Engineering,Shaanxi University of Science&Technology,Xi'an 710021,China)
出处
《电力科学与工程》
2019年第11期37-43,共7页
Electric Power Science and Engineering
关键词
变压器室
进风口
散热
数值模拟
优化
power transformer room
air intake
heat dissipation
numerical simulation
optimization
