In this paper a PLC controlled induction heating system is presented base on the analysis of medium frequency parallel converter.
本论文在对中频感应加热及相关技术作出研究的基础上，探讨了PLC控制感应加热成套系统的控制和相关技术。
The heating system using thermal oil as medium, has found more and more application in offshore engineering development.
以热介质油为加热媒介的供热系统在海上油气田开发工程中正越来越多地得到应用。
A typical heat medium heating system and cold medium cooling system were given.
笔者以本厂的醇酸树脂生产为例，介绍了热媒加热循环系统和冷媒冷却系统。
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