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	Effect of altitude on radio interference based on corona test cage
	Tang Jian ; Liu Yun-peng ; Wu Xiong ; Zhang Guang-zhou ; Guan Qing-hua ; Yang Ying-jian ; He Jin-liang
	2010-10-12 ; 2010-10-12
关键词	Practical/ corona electromagnetic interference/ electromagnetic environment mobile corona test cage AC corona radio interference linear correction relation/ B5230 Electromagnetic compatibility and interference B2810D Dielectric breakdown and discharges
中文摘要	As an important index of electromagnetic environment, radio interference due to corona is much higher in high altitude area than on ground. For proper conductor selection, it is necessary to study the corona effect of conductor in high altitude area. Thereby, a mobile corona test cage was applied to research the influence of altitude changes on AC corona radio interference of conductor. The effects of conductor surface gradients and altitude on radio interference were analyzed in detail. Based on linear correction relation, a correction coefficient of 3.13 dB/1000 m was obtained which was well in agreement with the foreign coefficient 3.3 dB/1000 m. The test results show that AC corona radio interference of conductor is nonlinearly varied with altitude. The higher the altitude is, the smaller the effect of altitude changes on AC corona radio interference will be. An emprical expression between altitude correction coefficients with the altitudes is presented. Finally, an altitude correction method of RI is put forward.
语种	中文
出版者	Editorial Board of High Voltage Engineering ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82640]
专题	清华大学
推荐引用方式 GB/T 7714	Tang Jian,Liu Yun-peng,Wu Xiong,et al. Effect of altitude on radio interference based on corona test cage[J],2010, 2010.
APA	Tang Jian.,Liu Yun-peng.,Wu Xiong.,Zhang Guang-zhou.,Guan Qing-hua.,...&He Jin-liang.(2010).Effect of altitude on radio interference based on corona test cage..
MLA	Tang Jian,et al."Effect of altitude on radio interference based on corona test cage".(2010).

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