对变频器的发热进行了深入的分析和研究。通过对不同散热方式的研究,提出了强制水循环冷却+风冷的散热方式。新散热系统的结构设计,解决了隔爆变频器的散热问题,并且在实际应用中取得了良好的效果。 On the heat of the inverter conducted in-depth analysis and research. Based on the research of different heat dissipation methods, the cooling method of forced water circulation cooling + air cooling is proposed. The structural design of the new cooling system to solve the heat problem of explosion-proof inverter, and achieved good results in practical applications.