Abstract
Power Cable Joint is the area where the faults are often happening on the power cable. Real-time monitoring of Power Cable Joint temperature can discover the joint overheating, and can evaluate insulation aging degree, and then, potential safety hazard of the cables will be removed timely. In this paper, a temperature measurement method based on embedded sensors inner Power Cable Joint has been proposed, and a set of temperature monitoring system for Power Cable Joint has been developed. The temperature monitoring system was composed of embedded sensors, data acquisition unit, current induction power supply, data transmission based on combination of ZigBee and GPRS, data analysis software. The temperature measurement system has the advantages of high reliability, real-time and highaccuracy, the long-distance temperature measurement for Power Cable Joint has been achieved.
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