Based on the study of the harmonic suppression on DC side of the multi-pulse rectification system,a software platform is established in Matlab environment.The phase-shift angle is studied from the aspects of system st...Based on the study of the harmonic suppression on DC side of the multi-pulse rectification system,a software platform is established in Matlab environment.The phase-shift angle is studied from the aspects of system stability and economy,analyzing the effects of phase-shift angle on the input-side line current,the output-side voltage ripple,the equivalent capacity of autotransformer and other auxiliary devices in 12-pulse rectifier system.The software platform can complete the analysis only by inputting the initial conditions,eliminating the derivation of the intermediate formula and reducing the complexity of the system analysis,and have good scalability.The simulation results show that the system can effectively analyze the influence of phase angle on 12-pulse star-connected transformer.展开更多
文摘RIA(富互联网应用)近几年得到了迅速发展,并具有诸多优势,特别是adobe公司的开发的flash builder最具发展优势,并得到了广泛应用。提出以Flash Builder(简称FB)为客户端实现虚拟实验室的前台设计,并实现电路设计的保存和打开;结合FMS(Flash Media server)设计在线聊天室,便于用户技术交流;以集成软件XAMPP实现虚拟实验室网络化和用户管理;通过理论研究和具体设计,实现数字电路虚拟实验室的全交互式。与半交互式和单机版的虚拟实验室相比有明显优势,此实验平台实现了更好的人机交互效果和便于应用推广,促进了教学手段的多元化和信息化。
基金National Natural Science Foundation of China(Nos.51367010,51867012)Lanzhou City Talent Innovation and Entrepreneurship Science and Technology Program Subsidy(No.2017-RC-51)。
文摘Based on the study of the harmonic suppression on DC side of the multi-pulse rectification system,a software platform is established in Matlab environment.The phase-shift angle is studied from the aspects of system stability and economy,analyzing the effects of phase-shift angle on the input-side line current,the output-side voltage ripple,the equivalent capacity of autotransformer and other auxiliary devices in 12-pulse rectifier system.The software platform can complete the analysis only by inputting the initial conditions,eliminating the derivation of the intermediate formula and reducing the complexity of the system analysis,and have good scalability.The simulation results show that the system can effectively analyze the influence of phase angle on 12-pulse star-connected transformer.
