Analysis and Optimization of Output Characteristics of Repetitive Pulse Generator Based on Tesla Transformer
Cheng Xian1,2, Li Taiyu1,2, Ge Guowei1,2, Xia Rongxiang1,2, Yuan Xiaodong1,2
1. School of Electrical Engineering Zhengzhou University Zhengzhou 450001 China; 2. Henan Engineering Research Center of Power Transmission & Distribution Equipment and Electrical Insulation Zhengzhou 450001 China
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.
程显, 李泰煜, 葛国伟, 夏荣翔, 袁晓东. 基于特斯拉变压器的重频脉冲源输出特性分析及优化[J]. 电工技术学报, 2020, 35(10): 2149-2157.
Cheng Xian, Li Taiyu, Ge Guowei, Xia Rongxiang, Yuan Xiaodong. Analysis and Optimization of Output Characteristics of Repetitive Pulse Generator Based on Tesla Transformer. Transactions of China Electrotechnical Society, 2020, 35(10): 2149-2157.
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2020, Vol. 35 
