【摘要】 随着电网的大范围互联,现有的继电保护理论及技术有待于进一步提高。提出了一种新型的广域网后备保护系统设计方案,该方案从整个电网的角度对电力系统的故障进行分析,有效地解决了级联跳闸等技术难题,增强了电力系统安全运行的可靠性。给出了广域网后备保护系统使用的硬件平台,并详细论述了软件设计的总体结构。更多还原

【Abstract】 The theory and technology of relay protection need to be improved under the union of power systems.Thereby,a new scheme of wide-area backup protection is presented.The scheme takes an analysis from the whole power system to solve the problem of cascade trip in power system effectively and increase the stability of power system.The hardware is discussed,and design of the protection software including the software framework is detailed.更多还原