公开(公告)号：US12265114B2

公开(公告)日：2025-04-01

申请号：US17862683

申请日：2022-07-12

Applicant: ABB Schweiz AG

Inventor： Mayukha Pal ,  Vedala Sai Ashok

IPC: G01R31/14 ,  G06F17/16 ,  H02H1/00 ,  H02H7/26

Abstract: A system and method for predicting electrical arcs in an electrical circuit is provided. A time series data of the electrical circuit is received by a prediction system which is configured to detect an electrical signature indicating an upcoming electrical arc. The prediction system constructs Hankel matrix using the time series data which is decomposed using SVD to obtain a singular vector in which delay coordinate embedding is performed to generate reconstructed singular vector which includes plurality of eigen time delay coordinates. Further, threshold coefficient ‘r’ is calculated from the reconstructed singular vector. A first set of eigen time delay coordinates is identified in the reconstructed singular vector based on ‘r’ which are rth eigen time delay coordinates. A rate of change in magnitude of rth eigen time delay coordinates is calculated to detect the electrical signature based on which the upcoming electrical arc is predicted.

公开(公告)号：US20240019481A1

公开(公告)日：2024-01-18

申请号：US17862683

申请日：2022-07-12

Applicant: ABB Schweiz AG

Inventor： Mayukha Pal ,  Vedala Sai Ashok

IPC: G01R31/14

CPC classification number: G01R31/14

Abstract: A system and method for predicting electrical arcs in an electrical circuit is provided. A time series data of the electrical circuit is received by a prediction system which is configured to detect an electrical signature indicating an upcoming electrical arc. The prediction system constructs Hankel matrix using the time series data which is decomposed using SVD to obtain a singular vector in which delay coordinate embedding is performed to generate reconstructed singular vector which includes plurality of eigen time delay coordinates. Further, threshold coefficient ‘r’ is calculated from the reconstructed singular vector. A first set of eigen time delay coordinates is identified in the reconstructed singular vector based on ‘r’ which are rth eigen time delay coordinates. A rate of change in magnitude of rth eigen time delay coordinates is calculated to detect the electrical signature based on which the upcoming electrical arc is predicted.