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一、引言功率延伸电缆是一种工业用加热电缆,七十年代开始在国外出现,我所随后进行独立研制,并逐步在国内推广应用。这种电缆配用于高频感应加热设备的输出变压器次级与感应器之间,能使感应器作移动加热;或在某些场合使感应器远离输出变压器固定安装,以改善操作条件。功率延伸电缆与我所以往研制的其它同轴电缆比较,无论是结构和性能,还是应用上,均有很多不同之处。特别是在系统中的作用甚为特殊,与一般同轴传输线有较大区别。
I. INTRODUCTION The power extension cable is an industrial heating cable that appeared in foreign countries in the seventies. Later, it was independently developed by me and gradually promoted and applied in China. This cable is used in high frequency induction heating equipment output transformer between the secondary and the inductor, the sensor can make the mobile heating, or in some cases the sensor away from the output transformer fixed installation, in order to improve operating conditions. Power extension cable and I have to develop other coaxial cable comparison, both the structure and performance, or application, there are many differences. Especially in the role of the system is very special, with the general coaxial transmission line are quite different.