混合动力客车低频电磁辐射机理及抑制方法

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Abstract Radiation emission level of a kind of hybrid electric bus is beyond the limit of electromagnetic compatibility standard. Radio disturbance characteristics of main electromagnetic interference source are detailedly analyzed. Electric field and magnetic field radiation mechanism of full bus is researched carefully. Three-phase working current of drive motor, switch device jump of motor controller, and the working process of the switching device in DC-DC converter are intended to be the main factors of full bus radiation emission. Besides, some interference suppressed measures are implemented according to interference source characteristics. Standard comparison tests are made and indicate that the adopted suppression method can effectively decrease the electromagnetic radiation emission levels. Lastly, the suppression method in this paper can serve as guidance for other hybrid electric bus when improving the electromagnetic compatibility.

Key words： Hybrid electric vehicle electromagnetic interference low-frequency electromagnetic radiation mechanism production suppression method

Received: 14 December 2012 Published: 16 June 2014

PACS:	U469.72
	O441.4
	TN713

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	Articles by authors
	Wang Quandi
	Liu Qingsong
	An Zongyu
	Ding Liangxu

Cite this article:

Wang Quandi,Liu Qingsong,An Zongyu等. Electromagnetic Radiation Mechanism and Noise Suppression Method for Hybrid Electric Bus[J]. Transactions of China Electrotechnical Society, 2014, 29(1): 202-207.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I1/202

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