Association Analysis of Passive Interference Resonance Impact Factors for Transmission Lines at Short-Wave Frequency

doi:10.3969/j.issn.1000-7229.2015.06.009

Abstract

Abstract:

IEEE gives deeper research on the resonance mechanism and impact factors of passive interference resonance (PIR) for transmission lines at medium-wave frequency. However, the resonance phenomenon existing at short-wave frequency (SF) can’t be explained by above research conclusions. In order to research the decisive impact factors of PIR for transmission lines at SF, the possible impact factors of interference resonance, such as tower spans, tower number, conductor, grounding wire and other single macro structure were considered, and the passive interference level in the electromagnetic open system composed of transmission line and antenna was studied. Grey system theory and correlation analysis were introduced to calculate the sensitivity of impact factors to interference change, and the correlation degree of various macro structure and interference was obtained. The results show that the decisive impact factor of PIR at SF is tower spans, which can be adjusted to evade the resonance frequencies at line design stage.

Key words: transmission line, passive interference resonance, grey system theory, correlation analysis, impact factor

CLC Number:

TM 723

CHEN Bin， TANG Bo， CAO Hongying， PENG Youxian， LI Yu. Association Analysis of Passive Interference Resonance Impact Factors for Transmission Lines at Short-Wave Frequency[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(6): 53-58.

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