My Oracle Support Banner

Y-Delta-Y Transformer With Buried Delta Support In The New PF Engine (Doc ID 2744559.1)

Last updated on JUNE 18, 2021

Applies to:

Oracle Utilities Network Management System - Version 2.4.0.0.0 and later
Oracle Network Management for Utilities - DMS - Version 2.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

On : 2.4.0.0.0 version, Y-Delta-Y transformer with buried delta support in the new PF Engine

If a project has Y-Delta-Y transformers with 0 and 180 degrees phase shift between Y windings and delta winding is buried. Power flow results are OK for these transformers but the single phase to ground fault currents are not correct due to the missing buried delta winding, impedance not being considered in fault calculations. Need to add the winding support in the new power flow engine


Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
 Fix Description
 Migration
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.