Ebook Electric power transmission and distribution

Electric Power Transmission and Distribution has been designed for undergraduate courses in electrical and electronics engineering in Indian universities. Tailored to provide an elementary knowledge of power systems, a foundation in electric circuits and engineering is a prerequisite for starting this course. The organization of the topics and the pace at which they unfold have been planned to enable students to proceed from the basic concepts to the difficult ones with ease. | ELECTRIC POWER TRANSMISSION AND DISTRIBUTION S. Sivanagaraju Associate Professor Department of Electrical Engineering JNTU College of Engineering Anantapur Andhra Pradesh S. Satyanarayana Professor and Head Department of Electrical Engineering Tenali Engineering College Tenali Andhra Pradesh Delhi Chennai Chandigarh Contents Preface Acknowledgement 1 Transmission and Distribution An Introduction Overview Various Levels of Power Transmission Conventional Sources of Electrical Energy Hydro Power Stations Thermal Power Stations Nuclear Power Stations Diesel Power Stations Load Forecasting Purpose of Load Forecasting Classification of Load Forecasting Forecasting Procedure Load Characteristics Load Modelling Characteristics of Load Models Star-Connected Loads Constant Power Model Constant Current Model Constant Impedance Model Deregulation Need for Restructuring Motivation for Restructuring the Power Industry Distribution Automation 2 Transmission-Line Parameters Introduction Conductor Materials Types of Conductors Bundled Conductors Resistance Current Distortion Effect Skin Effect Proximity Effect Spirality Effect Inductance Inductance of a Conductor Due to Internal Flux Inductance of a Conductor Due to External Flux Inductance of a Single-Phase Two-Wire System Flux Linkages With One Sub-Conductor of a Composite Conductor Inductance Of a Single-Phase System With Composite Conductors Inductance of Three-Phase Lines Equivalent Symmetrical Spacing Unsymmetrical Spacing Untransposed Transposition of Overhead Lines Unsymmetrical Spacing Transposed Inductance of Three-Phase Double Circuit Line Inductance of Three-Phase Double-Circuit Line with Symmetrical Spacing Hexagonal .

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