The innovation graph approach,as a new way for identification of abnorm al network configuration in state estimation,can fast identify bad data and topology errors with lower m easurem ent redundancy.

• 新息图法可以以较少的量测值,快速地排除坏数据和识别拓扑错误,为状态估计识别拓扑错误开辟了一条新的途径。