11EE215 GENERATION, TRANSMISSION AND DISTRIBUTION Credits: 3:1:0 Course Objectives: • To under the concepts of various method Electrical Energy Generation. • To learn the usage of passive elements in various Power Transmission Systems. • To understand the factors affecting Insulators and also in Under Ground cables. • To calculate the various parameters in Distribution System. Unit I Power Generation: Generation, Transmission & Distribution Scenario of India – Types of generation: Conventional and Non-conventional, Thermal Power Plant, Hydro Power Plant, Gas Power Plant, Nuclear Power Plant, Non-conventional Energy Sources – Load capacity factor Connected load factor – Load duration curve – Selection of Units. Unit II Power Transmission Systems: Various systems of transmission – Advantages of high transmission voltages – Comparison of conductor materials required for various overhead systems – Overhead Lines Parameters : Electrical constants - Resistance, Inductance and capacitance of Single and 3 Phase lines – Effects of earth on capacitance – Skin effect – Proximity effect – Transposition – Bundled conductors – Line supports-Performance: Short and Medium transmission lines – Phasor diagrams – Nominal T and π methods – Line regulation – Efficiency. Rigorous solution for long line – ABCD constants – Ferranti effect – Tuned power lines – Surge impedance and surge impedance loading. Unit III Line Insulators: Types - Potential distribution over a string of suspension insulators – Methods of increasing string efficiency. Corona – Factors affecting corona – Stress and Sag Calculation – Effect of wind and ice – supports at different levels – Stringing chart. Unit IV Underground Cables: Types - Capacitance and insulation resistance – Sheath effects – Grading – Stresses – Loss angle – Breakdown voltage – Optimum cable length -Comparison between Overhead lines and Underground cables. Unit V Distribution Systems: Feeders, Distributors and Service mains – Radial and ring main systems – Calculation of voltage in distributors with concentrated and distributed loads – A.C. single phase and three phase distribution systems. Course Outcomes: At the end of the Course the student would be able to: • Analyze the performance of various Units involved in the power plants. • Apply power system fundamentals to the design of a system that meet specific needs. • Design a power system solution based on the problem requirements and realistic Constraints. • Develop a major design experience in power a system that prepares them for engineering practice. Text Books: 1. Mehta, V.K., Rohit Mehta, “Principles of Power Systems”, S.Chand & Company Private Limited, New Delhi, Reprint Edition, 2006. 2. Singh S.N, “Electric Power Generation, Transmission and Distribution”, PHI Learning Private Limited, New Delhi, 2nd Edition, 2009. References Books: 1. Soni, M.L., Gupta, P.V., Bhatnagar U.S. Chakrabarthi A., “A Text Book on Power System Engineering”, Dhanpat Rai & Sons Company Private Limited, New Delhi, 2008. 2. Uppal, S.L., “Electrical Power”, Khanna Publishers Limited, 13th Edition, New Delhi, 2002. 3. Wadhwa, C.L., “Electrical Power Systems”, New Age International Publishers Ltd., 6th Edition, New Delhi,2010. th 4. Weedy B.M., Cory B.J., “Electric Power Systems”, John Wiley & Sons Limited, 4 Edition, Reprint, England, 2009.