强迫风冷离相封闭母线热平衡计算及研究

摘要

随着经济发展和用电量的大幅度提高，大型发电机组对离相封闭母线的栽流量也提出了更高的要求，从经济性和节省空间考虑，载流量在30kA以上的封闭母线必须采用强迫冷却的离相封闭母线。以36kA的强迫风冷离相封闭母线为例，列举了单风冷却的热平衡计算的结果，并对强迫风冷离相封闭母线热试验及设计中应注意的问题进行了研究。%With the development of economy and the power consumption increasing significantly, large generating set on the off-phase enclosed busbar carrying capacity is also put forward higher request, consideration of economy and save space, load flow more than 30 kA enclosed busbar must use forced cooling IPB. Taking 36 kA forced air cooling IPB as an example, listing the single wind cooling heat balance calculation results; forced air cooling IPB hot test and the problems should be paid attention to in the design of the study.