Effect of power parameters on micro-discharge induced by corona discharge

Yinxia GUAN (关银霞); Shiqiang WANG (王世强); Shiya TANG (唐诗雅); Hongxiang MU (牟洪祥); Quanzhen LIU (刘全桢)

doi:10.1088/2058-6272/ab0336

Plasma Science and Technology > 2019 > 21(5): 54007-054007. > DOI: 10.1088/2058-6272/ab0336

Yinxia GUAN (关银霞), Shiqiang WANG (王世强), Shiya TANG (唐诗雅), Hongxiang MU (牟洪祥), Quanzhen LIU (刘全桢). Effect of power parameters on micro-discharge induced by corona discharge[J]. Plasma Science and Technology, 2019, 21(5): 54007-054007. DOI: 10.1088/2058-6272/ab0336

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Effect of power parameters on micro-discharge induced by corona discharge

¹ State Key Laboratory of Safety and Control for Chemicals, Qingdao 266000, People’s Republic of China
² Sinopec Research Institute of Safety Engineering, Qingdao 266000, People’s Republic of China

Funds: This work was supported by National Natural Science Foundation of China (No. 51777165) and the National Key Research and Development Program of China (Nos. 2018YFF01010804 and 2016YFC0801200).

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Received Date: September 19, 2018

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Abstract

Abstract

This research mainly describes the generation and diagnosis of plasma using a wire-plate discharge device driven by different power supplies, aimed at investigating the effect of driving source parameters on micro-discharge induced by a corona. The influence of parameters such as waveform, duty ratio and bias voltage on discharge characteristics was explored preliminarily. Experiment results show that the determination of volt-ampere characteristics under different driving source waveforms indicates that the application of square and pulse waveforms shows great advantages over that of sawtooth and sinusoidal waveforms. Similarly, the photo-thermal effects of the system were investigated by comparing the high-voltage electrode temperature and relative emission intensity of N₂ (C³П_u →B³П_g, 0–0, 337 nm), where square and pulse waveforms also achieved better performance. But the pulse waveform had a slight advantage over the square waveform in terms of energy conversion. Further, investigations of the duty ratio and bias voltage applied on the pulse waveform were conducted, and the results indicate that the duty ratio could effectively improve the discharge power and thermal effect to a certain extent; however, the application of bias voltage on the pulse signal had little influence on the discharge power and thermal effect.
- photo-thermal effect,
- duty ratio,
- bias voltage,
- waveforms,
- micro-discharge

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References (18)

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