JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite

Renewable Energy Systems

Course Objectives:

• To study the physics of wind power and energy
• To understand the principle of operation of wind generators
• To know the solar power resources
• To analyze the solar photo-voltaic cells
• To discuss the solar thermal power generation
• To identify the network integration issues

Course Outcomes

At the end of this course, students will demonstrate the ability to

• Understand the energy scenario and the consequent growths of the power generate renewable energy sources.
• Understand the basic physics of wind and solar power generation.
• Understand the power electronic interfaces for wind and solar generation.
• Understand the issues related to the grid-integration of solar and wind energy systems

UNIT - I

Physics of Wind Power History of wind power, Indian and Global statistics, Wind physics, Betz limit ratio, stall and pitch control, Wind speed statistics-probability distributions, and Wind power-cumulative distribution functions.

UNIT - II

Wind Generator Topologies Review of modern wind turbine technologies, Fixed and Variable speed wind turbine, Induction Generators, Doubly-Fed Induction Generators and their characteristics, Permanent Magnet Synchronous Generators, Power electronics converters. Generator configurations, Converter Control.

UNIT - III

The Solar Resource Introduction, solar radiation spectra, solar geometry, Earth Sun angles, observer Sun angles, solar day length, Estimation of solar energy availability. Solar Photovoltaic Technologies-Amorphous, mono-crystalline, polycrystalline; V-I characteristics of a PV cell, PV module, array, Power Electronic Converters for Solar Systems, Maximum Power point Tracking (MPPT) algorithms. Converter Control.

UNIT - IV

Network Integration Issues Overview of grid code technical requirements. Fault ride-through for wind farms - real and reactive power regulation, voltage and frequency operating limits, solar PV and wind farm behavior during grid disturbances. Power quality issues. Power system interconnection experiences in the world. Hybrid and isolated operations of solar PV and wind systems.

UNIT - V

Solar Thermal Power Generation Technologies, Parabolic trough, central receivers, parabolic dish, Fresnel, solar pond, elementary analysis.

R18 B.TECH EEE III YEAR

TEXT BOOKS:

• 1. T. Ackermann, “Wind Power in Power Systems”, John Wiley and Sons Ltd., 2005.
• 2. G. M. Masters, “Renewable and Efficient Electric Power Systems”, John Wiley and Sons, 2004.

REFERENCES:

• 1. S. P. Sukhatme, “Solar Energy: Principles of Thermal Collection and Storage”, McGraw Hill, 1984.
• 2. H. Siegfried and R. Waddington, “Grid integration of wind energy conversion systems” John Wiley and Sons Ltd., 2006.
• 3. G. N. Tiwari and M. K. Ghosal, “Renewable Energy Applications”, Narosa Publications, 2004.
• 4. J. A. Duffie and W. A. Beckman, “Solar Engineering of Thermal Processes”, John Wiley & Sons, 1991. R18 B.TECH EEE III YEAR