Invention Grant
- Patent Title: Overcurrent element in time domain
-
Application No.: US15622006Application Date: 2017-06-13
-
Publication No.: US10522995B2Publication Date: 2019-12-31
- Inventor: Bogdan Z. Kasztenny , Mangapathirao Venkata Mynam , Armando Guzman-Casillas , Normann Fischer
- Applicant: Schweitzer Engineering Laboratories, Inc.
- Applicant Address: US WA Pullman
- Assignee: Schweitzer Engineering Laboratories, Inc.
- Current Assignee: Schweitzer Engineering Laboratories, Inc.
- Current Assignee Address: US WA Pullman
- Agent Jared L. Cherry; Richard M. Edge
- Main IPC: H02H3/02
- IPC: H02H3/02 ; H02H3/30 ; H02H7/26 ; H02H1/00

Abstract:
The present disclosure pertains to systems and methods for supervising protective elements in electric power systems. In one embodiment, a system may be configured to selectively enable a protective action an electric power system. The system may include a data acquisition subsystem receive a plurality of representations of electrical conditions associated with at least a portion of the electric power delivery system. An incremental quantities module may calculate incremental quantities from the plurality of representations. The system may be configured to detect an event, to determine an incremental quantities value during the event, and to determine a time-varying threshold. The incremental quantities value during the event may be compared with the time-varying threshold, and a protective action module may be enabled to implement a protective action when the value of the incremental quantities value during the event exceeds the time-varying threshold.
Public/Granted literature
- US20170358913A1 Overcurrent Element in Time Domain Public/Granted day:2017-12-14
Information query