摘要
分析了多直流馈入电网精准切负荷系统的实时性需求、控制终端业务断面流量和现有通信接入技术,提出了骨干层基于同步数字序列(SDH)传输网、终端层基于专用光纤的多级点对点通信架构,描述了精准切负荷控制系统的通信组网方式,着重介绍了稳定控制装置STM-1通信接口、多用户共享2M通道接入等关键技术实现方案。在此基础上讨论了稳定控制装置与不同类型的负荷控制终端的通信接口设计方法,并完成了样机研制和系统验证。
The real-time requirements of precision load shedding system for multi-infeed high-voltage direct current(HVDC)system,the control terminal traffic flow and existing communication access technology are analyzed.Then the archi tecture of the backbone layer based on the synchronous digital hierarchy(SDH)transmission network,the terminal layer based on the specific fiber multi-point to point communication is proposed.The communication network architecture of precision load control system is described in detail.The implementation schemes of key technologies are highlighted,such as security and stability control equipment of STM-1 communication interface,multi-user shared 2 M channel and so on.On this basis,the design methods of stability control equipment and different types of control terminal communication interface are discussed and the prototype development and system verification are completed.
引文
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