Utilization of Electrical Energy in Illumination and Electric traction

This book is the effort of 6th years teaching a course entitled "Utilization of Electrical Energy" at the Department of Electrical Engineering, Faculty of Engineering, Omar-Elmoktar university, El-bieda, Libya. Examples and problems appeared by the end of all chapters were given in both exercises projects and examination problems for this course. The book is divided into two parts. The first part for illumination and it is subdivided into four chapters. The second part for electric traction and it is subdivided into three chapters. Chapter 1: It presents introduction about the illumination like nature of light and terms used in illumination Chapter 2: It presents laws of illumination, Law of inverse squares and Lambert¿s cosine law. Chapter 3: It presents different sources of light Chapter 4: It presents design of lighting schemes. Indoor design and outdoor design are given in this chapter. Chapter 5: It presents different Systems of traction for railroad operation. Chapter 6: It presents mechanics of train motion. The relation between the speed, time, and energy is explained. Speed time curves. Chapter 7: It presents different types of traction motors.