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Georgia Tech
National Electric Energy Testing, Research & Applications Center

Faculty Profile - Joshua Perkel


Research Engineer
National Electric Energy Research, Testing & Applications Center

Mailing Address:
5351 Kennedy Road
Forest Park, GA 30297
Phone: 404.675.1810
Fax: 404.675.1885


Dr. Perkel is a research engineer in the Assessment Section at Georgia Tech's National Electric Energy Testing, Research, and Applications Center (NEETRAC). During the last seven years, he has worked extensively in underground cable systems with an emphasis on diagnostic testing of these systems. In addition, Dr. Perkel serves as the principal investigator on multiple projects involving prognostic analysis of transmission and distribution (T&D) equipment used on electric utility systems. He joined NEETRAC full time as a research engineer in 2009 after completing his graduate work under NEETRAC sponsorship.

As a research engineer and principal investigator with NEETRAC, Dr. Perkel works to coordinate research with members, staff, and academic faculty with the goal of solving reliability problems in the T&D arena. To date, this includes Medium Voltage (MV) and High Voltage (HV) underground cable systems, overhead connectors, and porcelain cutouts.

Dr. Perkel obtained his bachelor's degree in electrical engineering and computer science from the University of California, Berkeley, and his master's and doctoral degrees from Georgia Tech.

Research Interests

  • Interpretation of diagnostic measurements on underground cable systems.
  • Field measurement of cable system aging using dielectric response and partial discharge
  • Analysis of transmission and distribution performance data
  • Reliability assessment of transmission and distribution equipment
  • Asset management

Distinctions & Patents

  • Member, Institute of Electrical and Electronics Engineers, IEEE
  • Member, Insulated Conductors Committee (ICC) of IEEE
  • Best Presentation – Subcommittee F, Insulated Conductors Committee, Spring 2009

Selected Publications

  • Begovic, M., Hartlein, R., Patel, N., and Perkel, J., “Cable Asset Management Software,” NEETRAC Project 05-1991, Distributed May 2006.
  • Begovic, M., Hampton, R.N. Hartlein, R., Hernandez-Mejia, J.C., and Perkel, J., “Vaildation of the Accuracy of Practical Diangostic Tests for Power Equipment”, CIGRE 2008, SC D1.
  • Perkel, J, “The Influence of Critical Asset Management Facets on Improving Reliability in Power Systems,” Doctoral Thesis, October 2008.
  • Hampton, R.N., Hartlein, R.A., Perkel, J., ICC Education Session: “Cable Diagnostic Focused Initiative”, IEEE Insulated Conductors Committee Meeting, Orlando, Florida May 17-20, 2009
  • Hampton, R.N., Olearczyk, M., Perkel, J., and Weisenfeld, N., “Cable Fleet Management”, IEEE PES Power and Energy Magazine, Nov./Dec. 2010, pp. 75-84.
  • Hampton, R.N., Hartlein, R.A., Perkel, J., Begovic, M, Hernandez, J.C., Del Valle, Y., “Diagnostic Testing of Underground Cable Systems” (Cable Diagnostic Focused Initiative) – Final Report DOE Award No. DE-FC02-04CH11237, 328 pages, 2011.
  • Perkel, J., Hernandez, J.C., Hampton, R.N., Drapeau, J.F., Densley, J., del Valle, Y., “Challenges Associated with the Interpretation of Dielectric Loss data from Power Cable System Measurements”, Jicable 2011, Versailles, France, June 20-22, 2011.
  • Hernández-Mejía, J.C., Perkel, J., Harley, R., Begovic, M., Hampton, N., and Hartlein, R., “Determining Routes for the Analysis of Partial Discharge Signals Derived from the Field,” IEEE Transactions on Dielectrics and Electrical Insulation, 2008, Vol 15, Issue 6, pp. 1517-1525.
  • Hartlein, R.A.; Hampton, R.N.; Perkel, J., “Some Considerations on the Selection of Optimum Location, Timing, and Technique, for Diagnostic Tests,” 2008 PES General Meeting, Published July 2008.

Last revised on October 11, 2011