一种输变电工程智能设计平台

In order to increase the working efficiency, improve the design quality of transmission and transformation engineering design, and optimize the design scheme, an intelligent design platform is proposed. The new idea of constructing the proposed platform is explicitly demonstrated in four aspects: the construction principles, the overall structure, the key issues, and the operation modes. The proposed key measures can solve the problems of building up a cloud database of the intelligent design platform by means of constructing an object-based management platform of heterogeneous data, extracting and structuring cloud database text information. A dynamic collaboration management strategy based on a network diagram is introduced to solve the issues of building up multi-task paralleling and a multi-profession-collaborating management system. Modularizing design and the intellectualizing evaluation are introduced to solve the key problems of developing periodically, expanding and upgrading the intelligent-design-terminal, and the evaluation is integrated in the design process. The intelligent design platform for power transmission and transformation engineering provides a feasible way to achieve a leapfrog from the current artificial design mode to the intelligent design mode. This work is supported by National Natural Science Foundation of China (No. 51607075).     

一种基于最大相关-最小冗余算法的输电线路故障定位方法

针对传统输电线路故障定位精度较低且易受故障后暂态分量影响的问题,提出一种基于数据驱动的输电线路故障定位方法。构建基于系统状态和故障位置的电力系统运行数据集,基于最大相关-最小冗余准则,在此数据集中挖掘关键特征与故障位置之间的隐含关系,提取与故障位置最大相关且变量之间最小冗余的关键信息,构建与故障位置最相关的核心变量集,应用曲线拟合技术获取运行变量与故障位置之间的数学解析关系,综合多个特征信息给出准确的故障定位结果。仿真验证结果表明,与传统基于阻抗的故障定位方法相比,所提方法具有更高的故障定位精度,同时对故障后出现的暂态分量也有良好的适应能力,是一种准确快速的输电线路故障定位新方法。     

基于改进蚁群算法的输电线路路径规划关键技术

输电线路路径规划应根据规划区的地理、环境等完成。针对传统输电线路规划中存在的制约因素多、决策难等问题,提出使用RS获取规划区遥感图像地理信息,采用GIS数据处理平台,量化和整合复杂的地理信息,完成输电线路地理信息模型的建立。提出一种用于输电线路路径搜索的改进蚁群优化算法,并通过算例验证了算法的有效性和准确性。结果表明,改进算法提高了输电线路路径搜索效率。研究内容为我国输电线路路径规划的发展提供了参考和借鉴。     

基于向量序优化算法的多目标多阶段电源扩展规划

提出了一种基于向量序优化算法的多目标多阶段电源扩展规划方法。首先,将可靠性指标和环境指标纳入到常规的经济性电源规划模型,统筹考虑电源扩建中多方面的综合效益,构建多目标多阶段电源扩展规划模型;然后,利用向量序优化算法对模型进行求解,并基于隶属度函数确定最优规划方案;最后,基于仿真算例验证了本文方法的正确性和有效性。