远程拨号安全网关在电力系统应急情况下的应用  

Application of Telecontrol Safety Gateway to Power System in Emergency

作　　者：张迎峰[1] 

机构地区：[1]广东水利电力职业技术学院,广东广州510635

出　　处：《广东水利电力职业技术学院学报》2013年第4期8-10,共3页Journal of Guangdong Polytechnic of Water Resources and Electric Engineering

摘　　要：电力系统远动实时数据传输需要安全、稳定的数据通信通道。在正常情况下,远动数据传输通道使用电力专用通信通道OPGW,该类型通道复合在架空地线中。但是,如果电力系统遭受异常灾害,例如2008年初的大面积凝冻灾害,大量OPGW受到严重损毁导致电力通信通道中断,远动设备不能与主站通信,调度人员不能及时了解发电厂和变电站的运行情况,就会严重影响电力系统的调度。针对此类危机,提出建设备用紧急通信通道方案,对其结构体系、功能划分、安全防护及实现效果等进行阐述。该方案的实施对增强电力通信抗灾能力、确保重要通信业务畅通具有极大意义。Real-time data telecontrol transmission in power system requires a safe and stable channel. We usually use OPGW, which are compounded into the overhead ground wires, to transmit data. But if the grid suffers from disasters, such as the natural disasters happening in the beginning of 2008, the wires and the channels may be broken, and the dispatchers could not obtain the real time information from the power plants and the transformer substations. As a result, the whole system would be paralyzed. For the solutions, the paper introduces a plan for the construction of the reserved emergency communication channels. It explains the structure, function, protection and effects of the plan. If the plan could be put into practice, it would make some sense for increasing the capability of emergency and disaster relief, and make the telecommunication more secure.

关 键 词：电网 电力调度 远动 信道 安全网关 应急通道 

分 类 号：TM732[电气工程—电力系统及自动化]