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Wye-Delta Step Transformers Showing Incorrect Voltages On The Delta Side (Doc ID 2721261.1)

Last updated on OCTOBER 19, 2020

Applies to:

Oracle Utilities Network Management System - Version 2.4.0.1.0 to 2.5.0.0.0 [Release 2.4 to 2.5]
Oracle Network Management for Utilities - DMS - Version 2.4.0.1.0 to 2.5.0.0.0 [Release 2.4 to 2.5]
Information in this document applies to any platform.

Symptoms

On : 2.5.0.0.0 version, NMS Infrastructure

Wye-Delta Step Transformers showing incorrect voltages on the delta side

The project has mid-feeder step transformers mostly in Wye-delta configuration. PF Device Details is showing incorrect voltages on the delta side of these banks with voltage ranging from 52 to 150 percent on different feeders.

It is expected that the voltage values would be correct

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Fix Description
 Migration
References


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