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针对电气化铁道牵引供电系统的实际情况,给出了变电所信息综合传输方案的工作原理。借鉴电力系统信息综合数字化传输,构建起分层分布式的牵引变电所综合信息传输网络平台,给出一种通过控制发送方各类信息的传输速率来控制传输流量的方法和根据实时性要求的各类信息传输带宽的分配方法。将上述方法相结合,有效解决了牵引变电所信息综合传输的服务质量(QoS)问题。
Aiming at the actual situation of electrified railway traction power supply system, the working principle of comprehensive information transmission plan of substation is given. By reference to the integrated digital transmission of power system information, an integrated information transmission network platform of multi-layer distributed traction substation is built and a method of controlling the transmission traffic by controlling the transmission rate of all kinds of information of the sender is given. According to the requirements of real- All kinds of information transmission bandwidth allocation method. Combining the above methods effectively solves the problem of quality of service (QoS) of comprehensive information transmission in traction substation.