规划信息系统中的短路电流计算

Calculation of Short Circuit Current in Planning Information System

指出了规划信息系统是一个跨越了10 kV到500 kV电压等级,用于协助规划人员进行数据收集和决策的规划平台。研究了基于规划信息系统平台嵌入的短路电流计算方法,为了提高计算速度,针对成环电网和辐射状电网采取不同的方法。研究了短路计算程序和C IM拓扑模型的接口,分析了线路,变压器等电力系统元件在计算中的模型。实际网络的计算验证了算法的正确性。

Planning information system is a planning platform covering a voltage class from 10 kV to 500 kV,which is used to assist planners to collect data and make decisions.An embedded short-circuit current calculation method based on planning information system platform was studied.In order to speed up the calculation,different methods were applied in accordance with the calculations for the ring and radial networks.The interface between short-circuit calculation program and topology model of Common Information Model（CIM） was studied,and the models for power system components,including the line and transformer,used in the program were studied.The correctness of the algorithm was verified by a practical calculation case using real network data.