National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

An Institute of National Importance

Syllabus

Course Details

Subject {L-T-P / C} : EE6274 : Renewable Energy System Laboratory { 0-0-3 / 2}

Subject Nature : Practical

Coordinator : Prof. Monalisa Pattnaik

Syllabus

Wind Energy Systems: Study of voltage build-up process of self-excited induction generator, Study of the load characteristics of an self-excited induction generator, Study of voltage and frequency control of self-excited slip ring induction generator, Study of load characteristics of PMSG and to determine the equivalent circuit parameters, Closed loop control of a separately-excited DC motor imitating the characteristics of wind turbine. Solar Photovoltaic systems: Measurement of V-I characteristics of a solar panel at various levels of insolation, and the identification of the equivalent circuit parameters, Study of series parallel connection of solar panel and the effect of shading, Study of P&O MPPT technique of PV module, Study of I&C MPPT technique of PV module, To study the charging and discharging characteristics of the battery.
List of experiments:
1. Study of voltage build up and load characteristics of Self-Excited Induction Generator (SEIG)
2. Voltage and Frequency control of Self-Excited Slip-Ring Induction Generator (SRIG)
3. Study of voltage build up process and load characteristics of permanent magnet synchronous generator (PMSG)
4. Measurement of V-I characteristics of a solar panel at various levels of insolation, and the identification of the equivalent circuit parameters
5. To Study the I-V and P-V characteristics of series and parallel connected PV modules and to show the effect of shading on PV module power.
6. To determine maximum power point by varying the duty cycle of DC-DC Converter.
7. (i) Modeling and simulation of solar panel at various level of insolation & temperature and plotting the P-V & I-V characteristics
(ii) Simulation of solar panel with series parallel combination and plotting the P-V & I-V characteristics.
8. Estimation of parameters of a solar panel
9. Simulation of Perturb and Observe (P&O) and Incremental Conductance (I&C) MPPT technique of PV module
10. Modeling and Simulation of wind turbine
11. Study of characteristics of wind turbine by emulating the wind turbine behavior by means of a separately-excited DC motor
12. To study the charging and discharging characteristics of lead acid battery

Course Objectives

  • To understand the characteristics of different renewable energy sources such as wind, solar PV and battery as storage system.
  • To provide introduction to operating principles, voltage build-up, load characteristics and performance of various wind energy generators like SEIG, SRIG and PMSG.
  • To familiarize students with modeling and simulation of wind turbine and PV panel
  • To expose students to study various maximum power point tracking (MPPT) techniques of PV system

Course Outcomes

At the end of the laboratory course, students will be able to: <br />1. Recognize the practical application of the wind and solar energy systems theory course (EE6441) <br />2. Understand the characteristics of different renewable energy sources such as wind, solar PV and battery as storage system <br />3. Apply different experimental techniques using suitable converter to obtain the maximum power point by varying the duty cycle <br />4. Understand the various maximum power point tracking (MPPT) techniques of PV system <br />5. Operate various electrical generators used in wind energy systems and study its voltage build-up characteristics <br />6. Evaluate and investigate the possible causes of discrepancies in experimental results and observations, in comparison with the theory. <br />7. Prepare laboratory reports of professional quality presenting graphical representations of laboratory data, necessary waveforms, and the calculations.

Essential Reading

  • S. N. Bhadra, D. Kastha, S. Banerjee, Wind Electrical Systems, Oxford Univ. Press , 2005
  • C.S. Solanki, Solar Photovoltaics Fundamentals, Technologies and Applications, PHI Learning Pvt. Ltd. , 2016

Supplementary Reading

  • Felix A. Farret, M. Godoy Simoes, Integration of Renewable Sources of Energy, John Wiley & Sons , 2017
  • Nicola Femia, Giovanni Petrone, Giovanni Spagnuolo, Massimo Vitelli, Power Electronics And Control Techniques For Maximum Energy Harvesting In Photovoltaic Systems, CRC Press , 2012

Journal and Conferences

  • M. G. Villalva, J. R. Gazoli and E. R. Filho, "Comprehensive Approach to Modeling and Simulation of Photovoltaic Arrays," in IEEE Transactions on Power Electronics, vol. 24, no. 5, pp. 1198-1208, May 2009, doi: 10.1109/TPEL.2009.2013862.
  • B. Subudhi and R. Pradhan, "A Comparative Study on Maximum Power Point Tracking Techniques for Photovoltaic Power Systems," in IEEE Transactions on Sustainable Energy, vol. 4, no. 1, pp. 89-98, Jan. 2013, doi: 10.1109/TSTE.2012.2202294.