Investigation on Power Electronic System Based on Networked ControlMa Hao, Zhang Yao, and Yu Hongxia, School of Electrical Engineering, Zhejiang UniversityAbstract: In order to meet the requirements of power electronic system integration, a new control method, network control, is proposed. This method is not only conducive to the modularization of power electronics, but also can improve system performance. This paper takes the single-phase inverter without inner line parallel system based on network control as an example, mathematically models the system, establishes network control equations with active power and reactive power as variables, analyzes the influence of control delay in the system, and gives relevant design considerations. The experimental results show that the single-phase inverter without inner line parallel system based on network control is conducive to improving the current sharing compared with the single-phase inverter without inner line parallel system without network control. ABSTRACT: With the development of integration for power electronic system, a novel control method named Networked Control is proposed. It may help to modularization of power electronics and can improve system performance.The single phase inverter parallel system without inter connection based on networked control system is taken as an example.Mathematical model and the networked control equation with the active and reactive power are derived. Through the analysis of effect on control time-delay in the system, a design method for networked control system of power electronics including time-delay is presented. Based on the experimental results, the performance of current distribution for the single phase inverter parallel system without inter connection based on networked control system can be improved.Keywords: networked control; inverter parallel; time-delay; current distribution
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