中文摘要：

为了提高电网调度的智能化水平,针对输电断面,提出了智能控制中心二级精细化规则生成方法,含以下3个阶段：数据生成阶段,提出了包含初始属性集、样本空间和仿真模式等内容的主题定义方法;特征选择阶段,提出了适用于连续属性的启发式回归特征选择（HRFS）方法;规则表示阶段,提出了基于线性回归树的二级精细化的知识表示方法,在初级精细规则基础上利用二级精细规则进行进一步修正。对4机双区域测试系统和某省级电网分别进行精细规则算例研究,结果表明：由于挑选了能表征系统状态的特征属性,同时在运行状态子空间分段生成规则,二级精细化方法生成的规则进一步提高了精度和适用性,可以在保证系统安全的前提下进一步挖掘输电走廊的潜力,并提供了可用于控制决策的更精细的灵敏度信息。

英文摘要：

In order to improve the intelligence of power system dispatching,a two-level refinement method for operational rules in smart control centers for transmission corridors is proposed.The method includes three stages： data generation stage,in which a theme definition method,involving candidate attribute set,sample space and simulation mode,is proposed;feature selection stage,in which a heuristic regress feature selection（HRFS） method,which is suitable for continuous attributes,is introduced;rule extraction stage,in which a two-level refinement method based on linear regression tree is proposed for knowledge representation.Operational rules are built in a 4-generator 2-area test system and a realistic provincial power system using the method proposed in this paper.As the important features are selected and section rules are generated in operation sub-space,the new fine operational rules are of higher accuracy and better applicability.With the support of the operational rules,the transmission corridor capacity can be utilized more efficiently,and the control sensitivity contained in the rules is more helpful for decision-making of control strategy.