Effect of Configuration and Power Supply on the Discharge Characteristics and Ozone Generation of a Surface Dielectric Barrier Discharge Device
Shang Kefeng1, Wang Hao1, Yue Shuai2, Li Jie1, Wu Yan1
1. School of Electrical Engineering Dalian University of Technology Dalian 116024 China; 2. XJ Group Research and Development Center Xuchang 461000 China
Abstract：Surface dielectric barrier discharge (SDBD) plasma for biomedical application and environmental protection has been extensively studied due to its good performance in efficient generation of reactive species. The configuration and power supply parameters of SDBD device have great influences on its discharge characteristics and the generation of reactive species. Therefore, their effects are studied in a tubular SDBD device with coil wire electrode. The experimental results indicate that the pitch of coil wire electrode and the thickness of dielectric affect the intensity of electric field and its spatial distribution, the discharge power and the ozone generation, while the diameter of coil wire electrode has almost no effect on the discharge power and ozone. The discharge power and ozone yield increase with the increase of pitch until it reaches 25mm, and then tend to be invariable when the pitch is more than 25mm. Moreover, the discharge power and ozone yield increase about 2 times and 3 times respectively at the same applied voltage when the thickness of dielectric decreases from 3 mm to 1.6mm. Compared with a 50Hz AC power supply, when SDBD device is supplied with a 9.6kHz AC power supply, the discharge power and ozone yield increase with discharge frequency, and an 25% increase in the energy yield of ozone is obtained.
商克峰, 王浩, 岳帅, 李杰, 吴彦. 结构及供电电源对沿面介质阻挡放电装置放电特性及臭氧生成的影响[J]. 电工技术学报, 2017, 32(2): 53-60.
Shang Kefeng, Wang Hao, Yue Shuai, Li Jie, Wu Yan. Effect of Configuration and Power Supply on the Discharge Characteristics and Ozone Generation of a Surface Dielectric Barrier Discharge Device. Transactions of China Electrotechnical Society, 2017, 32(2): 53-60.
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2017, Vol. 32 
