Power Transformers Subcommittee Chair:

Tom Lundquist

Lundquist Consulting Services, Inc.

1241 N. Bronco Lane

Gilbert, AZ 85233

U.S.A.

Phone: (480) 225-1670

Fax: 

E-Mail:  Tom.Lundquist@ieee.org

Working Group Chair:

Phil Hopkinson

President & CEO

HVOLT Inc.

3704 Highridge Rd.

Charlotte, NC  28270

Raleigh Phone:  (704) 846-3290

E-Mail:  phopkinson@ieee.org

• Spring 2008 Presentations:

Presentation (Tapchangers):   posted 14Mar2008

Presentation (Dohnal/Hopkinson):   posted 14Mar2008

• Fall 2007 TF Minutes:  posted 24Oct2007

• Fall 2007 Agenda and Presentation:  posted 24Oct2007

• Quality Switch TapchangerFunctional Life Tests: 

  No-Load Tap Changer Thermal Endurance Test - Proposed language to be added following the last paragraph of the clause as 7.2.2.1 of IEC60214-1:          

• Draft Paper - Electrical Contacts for Off-Circuit Tap Changers for Oil Immersed Transformers, by Phil Hopkinson, Oct. 2005: