JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objective

• To provide necessary knowledge about the modeling, design and analysis of various PV systems
• To show that PV is an economically viable, environmentally sustainable alternative to the world's energy supplies
• To understand the power conditioning of PV and WEC system’s power output

Course Outcome

After Completion of the course the student is able to

• Model, analyze and design various photovoltaic systems
• Know the feasibility of PV systems as an alternative to the fossil fuels
• Design efficient stand alone and grid connected PV and WEC power systems

UNIT - I

Introduction To Photovoltaic (PV) Systems: Historical development of PV systems- Overview of PV usage in the world Photovoltaic effect-conversion of solar energy into electrical energy. Solar Cells And Arrays: Behavior of solar cells-basic structure and characteristics: types - equivalent circuit-modeling of solar cells including the effects of temperature, irradiation and series/shunt resistances on the open-circuit voltage and short-circuit current-Solar cell arrays- PV modules-PV generators- shadow effects and bypass diodes- hot spot problem in a PV module and safe operating area- Terrestrial PV module modeling- Interfacing PV modules with different loads.

UNIT - II

Energy Storage Alternatives for PV Systems: Methods of Energy storage –Pumped Energy Storage – Compressed Energy Storage – Storage batteries- lead-acid- nickel cadmium-nickel-metal- hydride and lithium type batteries. Small storage systems employing ultra capacitors- properties- modeling of batteries.

UNIT - III

Inverters for PV Systems: Inverter-Basic operation – different control topologies for standalone and grid connected operation-Analysis of inverter at fundamental frequency and at switching frequency- Feasible operating region of inverter at different power factor values for grid connected systems and stand-alone PV systems. Consumer applications-residential systems-PV water pumping-PV powered lighting-rural electrification.

UNIT - IV

Power Conditioning of PV Systems: Power conditioning and maximum power point tracking (MPPT) -Maximum power point tracking (MPPT) algorithms-Grid-connected PV systems-Active power filtering with real power injection- complete stand-alone and grid-connected PV systems.

UNIT - V

Wind Energy Conversion (WEC): Basic Principle of wind energy conversion - nature of wind - wind survey in India -Power in the wind - components of wind energy - conversion system –Basic Principle and Performance of induction generators for WECS - classification of WECS. Stand alone and Grid connected WECS.

TEXT BOOKS:

• 1. Goetzberger, Hoffmann V. U., “Photovoltaic Solar Energy Generation”, Springer-Verlag, Berlin, 2005.
• 2. Rai, G.D., “Non-conventional Energy Sources”, Khanna Publishers Limited, New Delhi, 2002.
• 3. Patel M. R., “Wind and Solar Power Systems Design, Analysis, and Operation”, CRC Press, New York, 2nd Edition, 2005.

REFERENCES:

• 1. Komp R.J., “Practical Photovoltaics: Electricity from solar cells”, Aatec Publications, Michigan, 3rd Edition, 2001.
• 2. Castaner L., Silvestre S., “Modeling Photovoltaic Systems Using PSpice”, John Wiley & Sons, England, 2002.
• 3. Jenny Nelson, “The physics of solar cells”, Imperial College Press, London, 2004.
• 4. Komp R.J., “Practical Photovoltaics: Electricity from solar cells”, Aatec Publications, M. TECH – I YEAR – I SEM. (PES)