公开(公告)号：US20210359503A1

公开(公告)日：2021-11-18

申请号：US16872636

申请日：2020-05-12

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： Ritwik Chowdhury ,  Gabriel Benmouyal ,  Carolyn Sun

IPC: H02H3/02 ,  H02H1/00 ,  G05B17/02 ,  G05B9/02

Abstract: Systems and methods to estimate trapped charge for a controlled automatic reclose of a power line using a ganged switching device are described herein. For example, an intelligent electronic device (IED) may calculate a voltage amount associated with trapped charge of each phase of a power line based on voltage measurements of the power line. The IED may send a signal to close a ganged switching device at a time based at least in part on the trapped charge of each phase of a power line.

公开(公告)号：US11476655B2

公开(公告)日：2022-10-18

申请号：US16742039

申请日：2020-01-14

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： Ritwik Chowdhury ,  Gabriel Benmouyal ,  Carolyn Sun

IPC: H02H1/00 ,  H02J3/04 ,  H02J13/00 ,  H02H3/00 ,  G01R19/00 ,  G01R31/58 ,  G01R29/24 ,  G05B19/042

Abstract: Systems and methods to estimate trapped charge for a controlled automatic reclose are described herein. For example, an intelligent electronic device (IED) may calculate an analog amount of trapped charge of each phase of a power line based on voltage measurements of the power line. The IED may close a switching device of each phase at a time corresponding to a point-on-wave associated with the analog amount of trapped charge of the respective phase.

公开(公告)号：US20210218239A1

公开(公告)日：2021-07-15

申请号：US16742039

申请日：2020-01-14

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： Ritwik Chowdhury ,  Gabriel Benmouyal ,  Carolyn Sun

IPC: H02H1/00 ,  H02J13/00 ,  G01R19/00 ,  G01R31/58 ,  G01R29/24 ,  G05B19/042 ,  H02H3/00 ,  H02J3/04

Abstract: Systems and methods to estimate trapped charge for a controlled automatic reclose are described herein. For example, an intelligent electronic device (IED) may calculate an analog amount of trapped charge of each phase of a power line based on voltage measurements of the power line. The IED may close a switching device of each phase at a time corresponding to a point-on-wave associated with the analog amount of trapped charge of the respective phase.

公开(公告)号：US11575253B2

公开(公告)日：2023-02-07

申请号：US16872636

申请日：2020-05-12

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： Ritwik Chowdhury ,  Gabriel Benmouyal ,  Carolyn Sun

IPC: H02H1/00 ,  H02H3/02 ,  G05B9/02 ,  G05B17/02

Abstract: Systems and methods to estimate trapped charge for a controlled automatic reclose of a power line using a ganged switching device are described herein. For example, an intelligent electronic device (IED) may calculate a voltage amount associated with trapped charge of each phase of a power line based on voltage measurements of the power line. The IED may send a signal to close a ganged switching device at a time based at least in part on the trapped charge of each phase of a power line.