Study On The Partition Incentive System Of Atmospheric Pressure Non-equilibrium Plasma Source

Non-equilibrium plasma is widely used in environmental protection, material synthesis, plasma display, surface treatment and other related fields. Dielectric Barrier Discharge (DBD) is the most effective way to get non-equilibrium plasma at atmospheric pressure. DBD system is very complex and exists a serious spatial scale-effect. It is difficult to maintain a stable discharge performance and to improve the production if we simply enlarged the DBD system. The atmospheric pressure non-equilibrium plasma scale applications are restricted. Therefore, it is necessary to research the DBD device incentive power and methods in order to solve the scale-effect problem and improve the performance of the DBD reactor.Firstly, we designed a high-frequency and high-voltage inverter power to drive the DBD system through analyzing the DBD device characteristics. Then we studied the single module plasma source and power matching characteristics, obtained the single module plasma source performance parameters working at optimum. Finally, the partition incentive system was established by putting a single plasma source with a high-frequency and high-voltage transformer in series together as a unit module, then paralleling multiple according to the actual application requirements. The results are as follows:(1) A high-frequency and high-voltage inverter power control module for incentive the atmospheric pressure non-equilibrium plasma source was designed, which can be realized AC voltage0-280V, frequency3-10kHz, the high-frequency output power3.5kW;(2) The high-frequency and high-voltage transformer design method was improved which is applicable to the DBD system according to analyzing the characteristics of the DBD system.(3) The partition incentive system was established and its feasibility was verified so that the scale-effect problem of DBD can be solved and each discharge cell module of the partition incentive system is under the optimal working condition.It can be drawn from the results of this study that the natural resonance frequency of the DBD device has been improved and the atmospheric pressure non-equilibrium plasma scale effect can be solved by establishing the partition incentive system. A new method of non-equilibrium plasmas at atmospheric scale application was provided.