Abstract
Corona discharge on transmission lines is a common phenomenon in power systems. Long-time continuous corona discharge on lines may cause serious grid accidents. It is of great significance to effectively locate the corona discharge point. The Hilbert fractal antenna is a wide-band, small-sized antenna through which an electromagnetic wave signal generated by corona discharge can be detected. In this paper, a 5th order Hilbert fractal antenna is designed focusing on the different feeding modes of the antenna. Then the miniaturized antenna structure that can be used for corona discharge detection of transmission lines is determined.
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