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Design of a miniaturized spiral antenna for partial discharge detection system
Author(s) -
Lee Juneseok,
Cho Jeahoon,
Choi Jaehoon,
Choo Hosung,
Jung KyungYoung
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.30916
Subject(s) - spiral antenna , balun , broadband , coaxial antenna , bandwidth (computing) , optics , directivity , antenna factor , antenna measurement , antenna (radio) , radiation pattern , antenna tuner , electrical engineering , acoustics , physics , materials science , engineering , telecommunications
A miniaturized spiral antenna with a broadband balun for a partial discharge (PD) localization system is proposed. The proposed antenna has broadband characteristic from 925 MHz to 1.6 GHz and a unidirectional radiation pattern. The overall dimensions of the fabricated antenna are 80 × 80 × 40 mm 3 , which is the smallest size among antennas for the PD detection system. The measured −10 dB reflection bandwidth starts at 925 MHz, and the measured directivity of the antenna is about 6 dB in the frequency band.

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