一种分布式光伏并网故障模型分析方法及系统

• Format: Patent
• Language: Chinese
• Published: 27.02.2024
• Subjects: CALCULATING; COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

一种分布式光伏并网故障模型分析方法及系统，其特征在于，所述方法包括以下步骤：步骤1、获取分布式光伏并网故障等值模型，并搭建含光伏接入的低压配电网典型拓扑；步骤2、通过仿真模拟获取所述低压配电网典型拓扑处于不同运行状态时的零序电流数据；步骤3、对所述零序电流数据进行征信息提取，构建故障特征向量，并输入至SSA优化的故障识别模型中，以判断所述分布式光伏并网下的故障类型。本发明准确识别不同故障类型，保证保护装置正确动作，对于实现光伏接入配电网的安全可靠运行具有重要意义。