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WANG Shuai,QIU Qi,LIU Xingliang,HU Sideng,HE Xiangning.Parameter Prediction for Equivalent Circuit Model of Dielectric Barrier Discharge in Coaxial Cylinder Reactor at Atmospheric Pressure[J].JOURNAL OF POWER SUPPLY,2018,16(5):174-180
Parameter Prediction for Equivalent Circuit Model of Dielectric Barrier Discharge in Coaxial Cylinder Reactor at Atmospheric Pressure
Received:November 16, 2017  Revised:January 29, 2018
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DOI:10.13234/j.issn.2095-2805.2018.5.174
Keywords:dielectric barrier discharge  equivalent circuit model  neural network  genetic algorithm  prediction
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WANG Shuai College of Electrical Engineering, Zhejiang University, Hangzhou , China
QIU Qi College of Electrical Engineering, Zhejiang University, Hangzhou , China
LIU Xingliang College of Electrical Engineering, Zhejiang University, Hangzhou , China
HU Sideng College of Electrical Engineering, Zhejiang University, Hangzhou , China
HE Xiangning College of Electrical Engineering, Zhejiang University, Hangzhou , China hxn@zju.edu.cn
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Abstract:
      Dielectric barrier discharge(DBD) in a coaxial cylinder reactor at atmospheric pressure is widely used in the field of gas treatment. The equivalent circuit model of a reactor is the key to the design of high-performance DBD power supply. However, the parameters of this model vary nonlinearly with the change of working conditions, which com-plicates the accurate design of the system under complex operating conditions. To solve this problem, based on a nonlinear clamping equivalent model, a neural network optimized by genetic algorithm is used to predict the parameters of the equivalent model. The input of this model are the system's voltage amplitude, working frequency, gas flow rate, and gas temperature, while its output are the clamping voltage of the nonlinear clamping model, equivalent capacitance of dielectric, and equivalent capacitance of gas. Experimental results showed that this method maintained a relatively higher prediction accuracy in a wider range. Therefore, it can be used to predict the parameters of the equivalent model of DBD in a reactor in a global range, which provides an accurate equivalent model of the reactor for power supply design under complex operating conditions.
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