In order to insure the safety and economical operation of power grid, it has important significance thai application for dispatching plan can execute closed-loop security verification. Based on SOA, the paper proposes a method which designs the structure of security check ill dispatching support system, implements various common interfaces for data and services sharing for interacting with other external applications, achieving the closed-loop control for security verification by reconstructing security verification processes and integrating the overall plan and real-time data. The computational efficiency is also improved by parallel computing technology. All calculated results can be displayed by JAVA 2D, which reflect the security level of the power grid intuitively. The proposed method improves the security preventive control ability of power grid system.%为实现电网安全与经济运行,对调度计划进行闭环安全校核具有重要意义.基于SOA架构,对电网调度支持系统中的安全校核应用进行结构设计,实现安全校核应用与其他应用的数据共享及服务调用,通过重构安全校核流程,整合计划数据与实时数据,实现安全校核的闭环控制.实现过程应用并行计算技术提高了计算效率,采用JAVA 2D等技术展示安全校核计算结果,直观形象地反映出电网的安全水平.安全校核应用的实现,提升了电网安全运行的预防性控制能力.
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