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我室论文在IEEE Transactions on Power Delivery 上发表
 更新时间:2016年06月17 【字体: 】 

 G. M. Ma et al., "A Wireless and Passive Online Temperature Monitoring System for GIS Based on Surface-Acoustic-Wave Sensor," in IEEE Transactions on Power Delivery, vol. 31, no. 3, pp. 1270-1280, June 2016.doi: 10.1109/TPWRD.2015.2482985

The Impact Factor for the IEEE Transactions on Power Delivery is 1.733


Abstract—A novel temperature monitoring system for gas-insulated

switchgears (GISs) based on surface-acoustic-wave (SAW)

sensing is proposed in this paper. Compared with the existing

systems, this system has several unique advantages, such as being

wireless, passive, and at a proper cost with continuous monitoring.

First, an accurate SAW temperature sensor is designed for the

GIS conductor, where epoxy encapsulating and loop antennas

are adopted in the SAW sensor to prohibit the potential partial

discharge of the sensor itself. After that, a multifunctional reader

antenna is developed, which can measure the conductor temperature

and partial discharge by the time-division multiplexing

technique. Experiments are carried out to examine the accuracy

and response speed of the SAW sensors, and the results indicate

that the uncertainty of the contact temperature measurement is

smaller than 10 C. Moreover, the insulation level and anti-interference

ability are demonstrated based on experiments carried out

on a 126-kV GIS. At last, temperature monitoring performance

of the developed system is investigated by changing the current

in the 126-kV GIS conductor. The experiment results prove that

the developed system can meet the requirement of temperature

monitoring in GIS. 

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