弓网电弧辐射特性及对机场下滑信标的影响

doi:10.7527/S1000-6893.2017.321252

Abstract

Abstract: The radiation characteristics of the pantograph-catenary arc and its influence on the airport glide beacon are studied. A typical line of electric multiple units is chosen in the study. According to the standard of CISPR16-1, the electromagnetic radiation of the pantograph-catenary arc at the neutral section and the general point is measured using the electro magnetic interference receiver, and its characteristics in the spectrum range of the glide beacon are obtained. Based on the wave propagation theory, the impact of electromagnetic radiation on the airport glide beacon is analyzed for the case of the electrified railway paralleled to the runway. The results show that the electromagnetic radiation is random, and the strength of the radiated electric field of the general point is less than that of the neutral section. The airport navigation will not be affected by the electromagnetic radiation of the general point. When the distance between the railway and runway center are 700, 120 and 60 m, the distance between the arc point of the neutral section and the antenna of the glide beacon must be less than 3 291, 546 and 249 m, respectively. The results can provide reference for the design of electromagnetic compatibility in the airport area.

Key words: electrified railway, pantograph-catenary arc, radiation characteristic, protection ratio, glide beacon

CLC Number:

V219

YANG Xiaojia, ZHU Feng, QIU Riqiang, LI Jikun. Radiation characteristics of pantograph-catenary arc and its influence on airport glide beacon[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018, 39(1): 321252-321252.

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Radiation characteristics of pantograph-catenary arc and its influence on airport glide beacon

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