摘要
介绍了智能变电站过程层采样数据传输方式,对IEC61850-9-2定义的组网传输方式进行了分析,讨论了报文优先级、VLAN技术和报文组播的实现。通过SMV报文组帧和排队论的理论分析,利用OPNET Modeler仿真软件对变压器间隔进行模型搭建和配置,验证了组网传输方式下提高交换机包转发率可减小延时和延时抖动。
Introduction was made to the transmission mode of sampled data in smart substation process layer and analysis was made to the group network transmission mode defined by IEC 61850-9-2. This paper discussed the realization of message priority, VLAN technique and message multicast. According to theoretical analysis of SMV message group framing and queuing theory, the OPENT Modeler Simulation software was used to carry out model building and disposition for transformer bay. It is verified that under group network transmission mode raising packet forwarding speed can reduce delay and delay jitter.
出处
《电工电气》
2012年第5期16-20,共5页
Electrotechnics Electric
关键词
采样数据
组网传输
排队论
延时抖动
sampled data
group network transmission
queuing theory
delay jitter
