公开(公告)号：EP4366104A1

公开(公告)日：2024-05-08

申请号：EP22315295.0

申请日：2022-11-02

申请人： Supergrid Institute ,  Université Paris-Saclay ,  CentraleSupélec ,  Université Grenoble Alpes ,  Centre National de la Recherche Scientifique ,  Institut Polytechnique de Grenoble

发明人： Verrax, Paul ,  Bertinato, Alberto ,  Kieffer, Michel ,  Raison, Bertrand ,  Milhiet, Louis

IPC分类号： H02H7/26 ,  H02H1/00

CPC分类号： H02H7/265 ,  H02H1/0092

摘要： The invention concerns a transient-based method for controlling protection actions in an electric power transmission and/ or distribution system having at least one current transmission line comprising the following steps :
- measurement (10) of voltage and/or current at a specific location in the said power system of at least one travelling wave due to a suspected fault having occurred on a current transmission line,
- estimate (20) initial voltage waveform at fault location by using an inverse physical wave propagation model applied to the measurements concerning the at least one travelling wave, and taking into account the distance between said specific location and the fault location,
- identification and classification (30) of the fault in function of estimated initial voltage waveform at fault location,
- control (40) of protection actions in function of the fault classification.