基于“一致性”原则的“场-多导体”传输线辐射敏感度测试的等效理论及实现

doi:10.19595/j.cnki.1000-6753.tces.170131

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Abstract

Cable, as electromagnetic coupling receptor, is one ofthe main sources ofelectromagnetic interference (EMI). With the increasingly complex electromagnetic environment, the radiatedimmunity test of the cable has been one of the important subjects in electromagnetic compatibility area. However, the cost of traditional test method is high. In this paper, an equivalence of two test methods on the basis of model of fields coupling to transmission lines (FCL) and model of transmission lines excited at two-port (ETP) respectively is proposed. According to the typical principle of multi-conductor transmission lines (MTLs), the substituted test method for that based on FCL is implemented by resorting to a generator line laid parallel and in proximity of the cable under test and fed at the terminations by two voltage sources, whose amplitude and phase shift is suitably controlled. Availability of the proposed scheme is preliminary investigated by simulation and subsequently verified by measurement through setting up fields coupling to multi-conductor transmission lines (FCL) test platform in anechoic chamber and transmission lines excited at twoport test platform. Eventually, the results suggest that these two models consist well in certain frequency range, which provides a new approach for radiated immunity test of cable has a potential applicationprospect.

Key words： Cables radiated immunity fields coupling to transmission lines anechoic chamber

Received: 10 February 2017 Published: 12 April 2018

PACS:	TM246
	TM937

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	Articles by authors
	Gao Xinxin
	Wang Shishan
	Lou Qianceng
	Yan Wei

Cite this article:

Gao Xinxin,Wang Shishan,Lou Qianceng等. Equivalent Theory and Its Realization of the Radiated Immunity Test with Incident Field Excitation Coupling to Multi-Conductor Transmission Lines Based on the Consistency[J]. Transactions of China Electrotechnical Society, 2018, 33(7): 1588-1598.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.170131 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I7/1588

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