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FLISR Not Opening Circuit Breaker if Fault is Below the Breaker and Substation Protection Fails to Open the Breaker (Doc ID 2922696.1)

Last updated on FEBRUARY 10, 2023

Applies to:

Oracle Network Management for Utilities - DMS - Version 2.5.0.2.0 to 2.6.0.0.0 [Release 2.5 to 2.6]
Oracle Utilities Network Management System - Version 2.5.0.2.0 to 2.6.0.0.0 [Release 2.5 to 2.6]
Information in this document applies to any platform.

Symptoms

On : 2.5.0.2.0 version,

As the circuit breaker did not trip sensing the fault and sub-station protection could not open it, FLISR assumes that it will not be able to open it either and tries to restore the feeders from downstream tie-switches and also restores the section of the faulted feeder downstream of the fault.

Cause

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In this Document
Symptoms
Cause
Solution
 Fix Description
 Migration
References


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