[1] Clemson Univ, Smart Grid Technol, N Charleston, SC 29405 USA
[2] Clemson Univ, Energy Syst Program, Zucker Family Grad Educ Ctr, N Charleston, SC 29405 USA
[3] Univ Johannesburg, Johannesburg, South Africa
[4] Duke Energy, Transmiss Asset Management Dept, Charlotte, NC USA
[5] Duke Energy, Equipment Performance & Maintenance Practice Grp, North Amer Transmiss Forum, Charlotte, NC USA
[6] Duke Energy, Core Team, Charlotte, NC USA
[7] Clemson Univ, Dept Elect & Comp Engn, Clemson, SC 29631 USA