Core Overexcitation Requirements Task Force


This Task Force is charged with the identification of limits for core over-excitation and developing suggestions for modification of appropriate standards.  It is expected that the Task Force will recommend changes to C57.12.00 (IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers), Section 4.1.6 (Operation above rated voltage or below rated frequency) and to other appropriate standards.

Performance Subcommittee Chair:

Ed teNyenhuis

Technical Manager


Brampton, ON, Canada

Phone: (905) 460-3210


Task Force Chair:

Craig L. Stiegemeier

ABB Inc.

4350 Semple Avenue

Saint Louis, MO  63120-2241


Phone: (314) 679-4568

Fax:  (314) 467-4595


Task Force Secretary:

Tim Raymond

Power Delivery Consultants, Inc.

25 Saratoga Ave.

Ballston Spa, NY 12020

Phone: (518) 884-0297

Cell: (518) 229-0194

Fax: (866) 744-6593



Presentation made at the Fall 2006 Montreal Meeting

Unapproved minutes from Fall 2006 Montreal Meeting

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Last update: 10-Mar-2015