JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite

Power Electronics, Renewable Energy Sources

Course Objectives:

• To impart knowledge on different types of renewable energy systems.
• To analyze the operation of electrical generators used for the wind energy conversion Systems.
• To know the operation of AC-DC, DC-DC and AC-AC power converters used in renewable energy systems.
• To know the principles of standalone, grid connected and hybrid operation in renewable energy systems.

Course Outcomes

After completion of the course, students will be able to:

• Demonstrate the various types of renewable energy technologies that are used to harness electrical power.
• Demonstrate the operating principle and analysis of various types of Wind generators.
• Identify a suitable converter such as AC-DC, DC-DC and AC-AC converters for renewableenergy systems.
• Demonstrate and analyze the various types of wind and PV systems.
• Interpret the stand alone, grid connected and hybrid renewable energy systems

UNIT - I

Solar cell characteristics and their measurement, PV Module, PV array, Partial shading of a solar cell and a module, The diode, Power conditioning unit, maximum power point tracker, Implementation of Perturb and Observe Method, Incremental Conductance Method, Battery charger/discharge controller.

UNIT - II

Centralized Inverters, String Inverters, Multi-string Inverters, Module Integrated Inverter/Micro-inverters, Inverter Topology, Model of Inverter, Sizing Batteries and Inverters for a Solar PV System. Types of PV Systems: Grid-Connected Solar PV System, Stand-Alone Solar PV System.

UNIT - III

Introduction to wind: Characteristics, Wind Turbine, Fixed and Variable-Speed Wind Turbines, Components of WECS, Description of Components, Types of Wind Turbine Generators, Economics of Wind Energy Conversion Systems, Linking Wind Turbines onto the Grid, Power Converter Topologies for Wind Turbine Generators.

UNIT - IV

Modeling of Permanent Magnet Synchronous Generators, Doubly Fed Induction Generators, Squirrel cage Induction Generators wind turbine, Control of Power converters for WECS.

UNIT - V

Hybrid Energy Systems, Need for Hybrid Energy Systems, Range and types of Hybrid systems, Hybrid Solar PV/Wind Energy System, Architecture of Solar-Wind Hybrid System and Grid connected issues.

TEXTBOOKS:

• 1. S. N. Bhadra, D.Kastha, S.Banerjee, “Wind Electrical Systems”, Oxford University Press, 2005.

REFERENCE BOOKS:

• 1. S.N.Bhadra, D. Kastha, & S. Banerjee “Wind Electrical Systems”, Oxford University Press, 2009.
• 2. Rashid .M. H, “Power Electronics Hand book”, Academic Press, 2001.
• 3. Rai. G.D, “Non-conventional energy sources”, Khanna Publishers, 1993.
• 4. Rai. G.D,” Solar energy utilization”, Khanna Publishes, 1993.
• 5. Gray, L. Johnson, “Wind energy system”, Prentice Hall of India, 1995.
• 6. B.H.Khan "Non-conventional Energy sources", Mc Graw-hill, 2nd Edition, 2009. M. Tech – II Semester L T P C 3 0 0 3