宽温度范围下感应耦合电能传输系统软开关技术

doi:10.19595/j.cnki.1000-6753.tces.160049

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Abstract

For applications of wireless power transfer (WPT) technologies in the oil drilling rig, this paper proposes the changing laws of the main parameters of ICPT system with the variety of temperature through experimental analysis. The changing laws contribute to solving the problem of operating frequency deviation from the soft switching point caused by the parameters drift in the wide temperature range, and help to prevent inductive coupled power transfer (ICPT) system from transmission performance reduction and breakdown. The model of the main circuit is established based on the stroboscopic map modeling method and the cycle of the fixed point theory. Besides, the relationship between the resonance frequency of the system and the temperature is obtained, which provides evidences for the regulation of the driving frequency to achieve the soft switching control. In addition, a method combined with look-up table method and disturbance observation is proposed to ensure that the ICPT system can realize the soft switching control over the wide temperature range. Finally, simulations and experiments have verified the feasibility and effectiveness of the theory and scheme.

Key words： Inductive coupled power transfer system soft switching wide temperature range disturbance observation method

Received: 11 January 2016 Published: 30 August 2017

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TM724

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	Su Yugang
	Wu Xueying
	Liu Bo
	Tang Chunsen
	Chen Long

Cite this article:

Su Yugang,Wu Xueying,Liu Bo等. Soft Switching Technology for ICPT System under the Condition of Wide Temperature Range[J]. Transactions of China Electrotechnical Society, 2017, 32(16): 175-182.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.160049 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I16/175

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