A New Microstrip Antenna Used for Detecting the Ultra-High Frequency Signal Caused by the Partial Discharge in Power Equipments
Wang Youyuan1, Wu Junfeng1, Xu Haiying2
1. State Key Laboratory of Power Transmission Equipment & System Safety and New Technology Chongqing University Chongqing 400044 China; 2. Shiqu Power Supply Branch of Chongqing Electric Power Company Chongqing 400015 China
Abstract：To make the microstrip antenna more suitable for UHF detection, this paper designed a new type of half U-shaped slot microstrip antenna. Compared with the traditional microstrip antenna, the designed microstrip antenna expanded the bandwidth from dozens of MHz to more than 200MHz. The main bandwidth of the antenna sensor ranged from 670MHz to 839MHz, while the gain was 2.39dB. The dimension of the antenna was also significantly reduced to a quarter of the traditional microstrip antenna. The antenna can be more easily applied in UHF detection. Finally the detection performance of the designed antenna in the field of UHF detection was verified through the experiments.
王有元, 吴俊锋, 徐海鹰. 电力设备局部放电超高频信号检测用新型微带天线[J]. 电工技术学报, 2016, 31(10): 136-144.
Wang Youyuan, Wu Junfeng, Xu Haiying. A New Microstrip Antenna Used for Detecting the Ultra-High Frequency Signal Caused by the Partial Discharge in Power Equipments. Transactions of China Electrotechnical Society, 2016, 31(10): 136-144.
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