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IEEE Virginia Mountain Section

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Thursday, March 21, 2013 in Blacksburg

Bio Credit Invitation

Synchrophasers and the Smart Grid

Dr. Jim Thorp, Virginia Tech
Sychrophasers Presentation (2 MB PDF)

Abstract: The development of synchrophasors measurements from their origins in digital relays to the deployment of about 1000 units through the stimulus program will be described. Synchrophasors use GPS timing signals to measure voltages and currents in the transmission system synchronously with time errors of less than a m second. The data is transmitted with a time tag to central locations for monitoring, protection, and control.

How synchrophasors can address significant existing power system problems and some recent results including two DOE demonstration projects involving dynamic state estimation and adaptive relaying will be presented.

Just as modern telescopes (Hubble) and microscopes (STEMs) have brought surprises, the availability of highly accurate measurements power system measurements at a rate of 30 times a second have shown us things we did not expect. Some examples will be given.

James S. Thorp (LF 2002) was the Hugh P. and Ethel C. Kelley Professor of Electrical and Computer Engineering and Department Head of the Bradley Department of Electrical and Computer Engineering at Virginia Tech from 2004 to 2009. He was the Charles N. Mellowes Professor in Engineering at Cornell University from 1994-2004. and was the Director of the Cornell School of Electrical and Computer Engineering from 1994 to 2001, a Faculty Intern, American Electric Power Service Corporation in 1976-77 and an Overseas Fellow, Churchill College, Cambridge University in 1988.

Dr. Thorp was an Alfred P. Sloan Foundation National Scholar and was elected a Fellow of the IEEE in 1989 and a Member of the National Academy of Engineering in 1996. He received the 2001 Power Engineering Society Career Service award, the 2006 IEEE Outstanding Power Engineering Educator Award, and shared the 2007 Benjamin Franklin Medal with A.G. Phadke.

Meeting Details:

Thursday March 21, 2013
Social: 6:30 PM
Dinner: 7:00 PM
Talk: 8:00 PM
Members & Guests $20.00, Students $10.00
Please let us know if you have any dietary restrictions (vegetarian, dairy or gluten allergy, etc)

Holiday Inn – Blacksburg
900 Prices Fork Road
Blacksburg, VA 24060

Directions to Holiday Inn – Blacksburg:
From I-81, take exit 118 towards Virginia Tech, onto US-460 W.
Follow US-460 W, travel through the traffic light for the stadium (Southgate Drive), then take the next exit (Downtown Exit, which is Prices Fork Road).
Follow Prices Fork Rd to the next traffic light, and the Holiday Inn is on the corner of Prices Fork Rd and University City Boulevard on the left.

Continuing Education
One Continuing Education Credit will be awarded for this meeting. Please see Dr. David Livingston at the meeting to sign up for the credit.

Reservations: RSVP by 5 PM, Monday, March 17, 2013. Please specify the number of attendees and any dietary needs/restrictions.

Joe Hartwell,

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The Virginia Mountain Section (VMS) of the IEEE has been serving members in the Southwest corner of the Commonwealth of Virginia since 1949.

We currently have two Student Branches in local universities and colleges:

  • Virginia Military Institute
  • Virginia Tech

and the VMS Consultants Network Affinity Group

The purpose of this Affinity Group is to share information concerning consulting opportunities, and to make a list of consultants and their areas of expertise available to potential employers.

Anyone wishing to be added to this group, or desiring more information should contact David Livingston,

Information about our Section, the Chapters, and material of interest to our members may be found by selecting items in the left column of this page.

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(last modified: April 11, 2013 )