脉冲功率晶闸管的小型化

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Abstract Miniaturization and lightening of pulse power supply (PPS) is a key technique in electromagnetic launch. Semiconductor switch module in PPS takes up a large volume. To obtain a compact and small semiconductor module, a method to miniaturize the module by reduce the thickness of copper substrate of thyristor is proposed. And its thermal model is established to analyze its instaneoμs temperature field. Based on the simulation results, it is found that the copper substrate thickness of thyristor does not affect the peak junction temperature, but affects the final time to cool slightly. According to the theory basis, a prototype of thinner thyristor is produced. It is proved that the thinner thyristor has the similar current capacity and d#em/em#/dt capacity with conventional type.

Key words： Pulse power supply thyristor miniaturization temperature field instaneoμ s junction temperature

Received: 07 June 2011 Published: 20 March 2014

PACS:

TN34

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	Dai Ling
	Dong Hanbin
	Lin Fuchang
	Zhu haifeng
	Zhang Qin

Cite this article:

Dai Ling,Dong Hanbin,Lin Fuchang等. Miniaturization of Thyristor Applied in Pulse Power Supply[J]. Transactions of China Electrotechnical Society, 2012, 27(8): 120-125.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I8/120

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