Design of DBD High-Frequency Bipolar Nanosecond Pulse Generator Based on Magnetic Pulse Compression System and Its Discharging Characteristics
Mi Yan1, Wan Jialun1, 2, Bian Changhao1, Yao Chenguo1, Li Chengxiang1
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400044 China; 2. Sichuan Electric Design & Consulting Co. Ltd Chengdu 610041 China
Abstract When the magnetic switch is used as a switch device of high voltage and high repetition frequency pulse voltage generator, its voltage tolerance and current capacity are much higher than those of the semiconductor switch. The magnetic switch is suitable for switching as a DBD excitation power supply. To study the characteristics of bipolar high frequency DBD plasma, a high frequency bipolar magnetic pulse compression system is proposed. First, this paper explains the principle of bipolar pulse generated by the full bridge inverter circuit, pulse transformer and magnetic switch. The design of key components is then described. Second, the influence of key parameters in circuit on the output waveform is studied using PSpice software. The resistive load voltage waveform is tested and compared with the simulation results. As a result, the nanosecond pulse generator produces a pulse on a resistor, where the amplitude in 5~13kV adjustable, the rising time of about 100ns, the repetition frequency of 0 to several kHz. Finally, this paper studies the plasma characteristics under high frequency bipolar pulse. Combined with discharge photos and theoretical calculation, the relationship between the discharge characteristics and frequency is explored, which enriches the theoretical study of high frequency bipolar discharge.
Mi Yan,Wan Jialun,Bian Changhao等. Design of DBD High-Frequency Bipolar Nanosecond Pulse Generator Based on Magnetic Pulse Compression System and Its Discharging Characteristics[J]. Transactions of China Electrotechnical Society, 2017, 32(24): 244-256.
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2017, Vol. 32 
