基于特斯拉变压器的重频脉冲源输出特性分析及优化

doi:10.19595/j.cnki.1000-6753.tces.190597

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Abstract Tesla transformer-type pulse generator is one of the research hotspots in the field of pulse power at home and abroad. However, due to the low operating frequency and high cost, its application in many high technology fields is limited. Based on the pulse generator prototype with spiral Tesla transformer, this paper proposes a method for improving the frequency of the repetitive Tesla pulse generator. The pulse generator process is analyzed and divided into three phases: charging voltages, thyristor turn-off and transformer resonant discharge. The resonant discharge time of the pulse generator transformer is the main factor affecting its repetitive frequency. The optimization design of the pulse formation process at different stages is carried out, which includes adjusting the external circuit parameters to accelerate the charging rise time, analyzing the working principle of the thyristor to optimize its turn-off time, and changing the circuit structure to shorten its resonant discharge time. Adjusting the detuning coefficient can effectively improve the key performance index such as the output ratio and energy efficiency of the pulse source. Under the premise of ensuring stable operation, the pulse source repetitive operation capability is enhanced by optimizing the circuit structure and the resonant discharge time. Finally, the pulse generator can be realized with an output voltage of 0~20kV, an output ratio of 123, an energy efficiency of 64%, a rising edge of 30ns, and an adjustable frequency of 0~1kHz nanosecond. The generator can promote the compact structure of the subsequent Tesla pulse source and the practical application development.

Key words： Tesla transformer pulse forming output characteristics repetitive

Received: 20 May 2019

PACS:

TM832

Fund:国家自然科学基金（51977195,51777025）、中国博士后科学基金（2017M622370）、河南省高校重点科研（16A470014,19A470008）、国家轨道交通电气化与自动化工程技术研究中心开放课题（NEEC-2017-B07）资助项目

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	Cheng Xian
	Li Taiyu
	Ge Guowei
	Xia Rongxiang
	Yuan Xiaodong

Cite this article:

Cheng Xian,Li Taiyu,Ge Guowei等. Analysis and Optimization of Output Characteristics of Repetitive Pulse Generator Based on Tesla Transformer[J]. Transactions of China Electrotechnical Society, 2020, 35(10): 2149-2157.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190597 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I10/2149

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