Turan Gönen, a distinguished figure in the field of electrical engineering, held the esteemed position of being a professor of electrical engineering and also served as the director of the Electrical Power Educational Institute at California State University, Sacramento. Gonen's educational background was adorned with a B.S. and M.S. in electrical engineering from Istanbul Technical College, followed by a Ph.D. in electrical engineering from Iowa State University. His academic pursuits extended further as he achieved an M.S. in industrial engineering and a Ph.D. with a co-major in industrial engineering from Iowa State University, alongside obtaining an MBA from the University of Oklahoma. Gonen first authored this book in 1988. His contributions to academia and research were substantial, marked by a portfolio of over 100 technical papers. His expertise was recognized as he held the distinction of being an IEEE Senior Member. He passed away in 2014 Dr. Ali Mehrizi-Sani is an Associate Professor of Electrical Engineering at Virginia Tech. He holds a Ph.D. degree from the University of Toronto. He is the recipient of several research and teaching awards including the 2018 IEEE PES Outstanding Young Engineer Award, 2017 IEEE Mac E. Van Valkenburg Early Career Teaching Award, 2016 WSU VCEA Reid Miller Excellence in Teaching Award, 2007-2011 Connaught Scholarship at the University of Toronto, and 2007 Dennis Woodford prize.