Dr. Warsame H. Ali received his BSc from King Saud University ElectricalEngineering Department, Riyadh, Saudi Arabia, and his MS from Prairie View A&M University, Prairie View, Texas. He received his Ph.D. in electricalengineering from the University of Houston, Houston, Texas. Dr. Ali waspromoted to associate professor and tenured in 2010 and to the Full professor to2017. As a faculty fellow, Dr. Ali joined NASA, Glenn Research Center, in theSummer of 2005, and Texas Instruments (TI) in 2006.Dr. Ali has given several invited talks and is also the author more than 100research articles in major scientific journals and conferences. Dr. Ali has receivedseveral awards from NSF, NAVSEA, AFRL, and DOE. At present, he is teachingundergraduate and graduate courses in the Electrical and Computer EngineeringDepartment at Prairie View A & M University. His main research interests are theapplication of digital PID Controllers, digital methods to electrical measurements,and mixed-signal testing techniques, power systems, HVDC power transmission,sustainable power and energy systems, power electronics and motor drives,electric and hybrid vehicles, and control system.Samir I. Abood received his BSc and MSc from the University of Technology,Baghdad, Iraq in 1996 and 2001 respectively. From 1997 to 2001, he worked asan engineer at the same university. From 2001 to 2003, he was an assistantprofessor at the University of Baghdad and at AL-Nahrain University, and from2003 to 2016. Mr. Abood was an assistant professor at Middle TechnicalUniversity / Baghdad – Iraq. Presently, he is doing his Ph.D. in an electricalpower system in the Electrical and Computer Engineering Department at Prairie16View A & M University. He is the author of 25 papers and 3 books. His mainresearch interests are in the area of sustainable power and energy system,microgrid, power electronics, and motor drives, and control system.Matthew O. Sadiku received his BSc in 1978 from Ahmadu Bello University,Zaria, Nigeria, and his MSc and Ph.D. from Tennessee TechnologicalUniversity was an assistant professor at Florida Atlantic University, where hedid graduate work in computer science. From 1988 to 2000, he was at TempleUniversity, Philadelphia, Pennsylvania, where he became a full professor. From2000 to 2002, he worked with Lucent/ Avaya, Holmdel, New Jersey, as asystem engineer and with Boeing Satellite Systems as a senior scientist. Atpresent, he is a professor at Prairie View A & M University.

• Preface. Acknowledgments. Authors. 1. Basic Concepts of Magnetism. 2. Magnetic Circuit. 3. Alternating Current Power. 4. Transformers. 5. Transformer Design. 6. Direct Current Machines. 7. AC Motors. 8. Power Electronics. 9. Concept of DC Drive. 10. AC Drives. 11. Special Machines. Problems. Appendix A: Mathematical Formula. Appendix B: Complex Numbers. Appendix C: Introduction to MATLAB®. Appendix D: Answer to Odd-Numbered Problems. Index

Dr. Warsame H. Ali received his BSc from King Saud University ElectricalEngineering Department, Riyadh, Saudi Arabia, and his MS from Prairie View A&M University, Prairie View, Texas. He received his Ph.D. in electricalengineering from the University of Houston, Houston, Texas. Dr. Ali waspromoted to associate professor and tenured in 2010 and to the Full professor to2017. As a faculty fellow, Dr. Ali joined NASA, Glenn Research Center, in theSummer of 2005, and Texas Instruments (TI) in 2006.Dr. Ali has given several invited talks and is also the author more than 100research articles in major scientific journals and conferences. Dr. Ali has receivedseveral awards from NSF, NAVSEA, AFRL, and DOE. At present, he is teachingundergraduate and graduate courses in the Electrical and Computer EngineeringDepartment at Prairie View A & M University. His main research interests are theapplication of digital PID Controllers, digital methods to electrical measurements,and mixed-signal testing techniques, power systems, HVDC power transmission,sustainable power and energy systems, power electronics and motor drives,electric and hybrid vehicles, and control system.Samir I. Abood received his BSc and MSc from the University of Technology,Baghdad, Iraq in 1996 and 2001 respectively. From 1997 to 2001, he worked asan engineer at the same university. From 2001 to 2003, he was an assistantprofessor at the University of Baghdad and at AL-Nahrain University, and from2003 to 2016. Mr. Abood was an assistant professor at Middle TechnicalUniversity / Baghdad – Iraq. Presently, he is doing his Ph.D. in an electricalpower system in the Electrical and Computer Engineering Department at Prairie16View A & M University. He is the author of 25 papers and 3 books. His mainresearch interests are in the area of sustainable power and energy system,microgrid, power electronics, and motor drives, and control system.Matthew O. Sadiku received his BSc in 1978 from Ahmadu Bello University,Zaria, Nigeria, and his MSc and Ph.D. from Tennessee TechnologicalUniversity was an assistant professor at Florida Atlantic University, where hedid graduate work in computer science. From 1988 to 2000, he was at TempleUniversity, Philadelphia, Pennsylvania, where he became a full professor. From2000 to 2002, he worked with Lucent/ Avaya, Holmdel, New Jersey, as asystem engineer and with Boeing Satellite Systems as a senior scientist. Atpresent, he is a professor at Prairie View A & M University.

• Preface. Acknowledgments. Authors. 1. Basic Concepts of Magnetism. 2. Magnetic Circuit. 3. Alternating Current Power. 4. Transformers. 5. Transformer Design. 6. Direct Current Machines. 7. AC Motors. 8. Power Electronics. 9. Concept of DC Drive. 10. AC Drives. 11. Special Machines. Problems. Appendix A: Mathematical Formula. Appendix B: Complex Numbers. Appendix C: Introduction to MATLAB®. Appendix D: Answer to Odd-Numbered Problems. Index

Dr. Warsame H. Ali received his BSc from King Saud University ElectricalEngineering Department, Riyadh, Saudi Arabia, and his MS from Prairie View A&M University, Prairie View, Texas. He received his Ph.D. in electricalengineering from the University of Houston, Houston, Texas. Dr. Ali waspromoted to associate professor and tenured in 2010 and to the Full professor to2017. As a faculty fellow, Dr. Ali joined NASA, Glenn Research Center, in theSummer of 2005, and Texas Instruments (TI) in 2006.Dr. Ali has given several invited talks and is also the author more than 100research articles in major scientific journals and conferences. Dr. Ali has receivedseveral awards from NSF, NAVSEA, AFRL, and DOE. At present, he is teachingundergraduate and graduate courses in the Electrical and Computer EngineeringDepartment at Prairie View A & M University. His main research interests are theapplication of digital PID Controllers, digital methods to electrical measurements,and mixed-signal testing techniques, power systems, HVDC power transmission,sustainable power and energy systems, power electronics and motor drives,electric and hybrid vehicles, and control system.Samir I. Abood received his BSc and MSc from the University of Technology,Baghdad, Iraq in 1996 and 2001 respectively. From 1997 to 2001, he worked asan engineer at the same university. From 2001 to 2003, he was an assistantprofessor at the University of Baghdad and at AL-Nahrain University, and from2003 to 2016. Mr. Abood was an assistant professor at Middle TechnicalUniversity / Baghdad – Iraq. Presently, he is doing his Ph.D. in an electricalpower system in the Electrical and Computer Engineering Department at Prairie16View A & M University. He is the author of 25 papers and 3 books. His mainresearch interests are in the area of sustainable power and energy system,microgrid, power electronics, and motor drives, and control system.Matthew O. Sadiku received his BSc in 1978 from Ahmadu Bello University,Zaria, Nigeria, and his MSc and Ph.D. from Tennessee TechnologicalUniversity was an assistant professor at Florida Atlantic University, where hedid graduate work in computer science. From 1988 to 2000, he was at TempleUniversity, Philadelphia, Pennsylvania, where he became a full professor. From2000 to 2002, he worked with Lucent/ Avaya, Holmdel, New Jersey, as asystem engineer and with Boeing Satellite Systems as a senior scientist. Atpresent, he is a professor at Prairie View A & M University.

• Preface. Acknowledgments. Authors. 1. Basic Concepts of Magnetism. 2. Magnetic Circuit. 3. Alternating Current Power. 4. Transformers. 5. Transformer Design. 6. Direct Current Machines. 7. AC Motors. 8. Power Electronics. 9. Concept of DC Drive. 10. AC Drives. 11. Special Machines. Problems. Appendix A: Mathematical Formula. Appendix B: Complex Numbers. Appendix C: Introduction to MATLAB®. Appendix D: Answer to Odd-Numbered Problems. Index