PLC Based Solar Tracking Panel Assembly
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2014 by IJETT Journal|
|Year of Publication : 2014|
|Authors : Sushma.V.R , Sneha.V.M
|DOI : 10.14445/22315381/IJETT-V18P247|
Sushma.V.R , Sneha.V.M "PLC Based Solar Tracking Panel Assembly", International Journal of Engineering Trends and Technology (IJETT), V18(5),230-234 Dec 2014. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Sun is a low cost source of electricity and instead of using the generators; solar panel can convert direct sun rays to electricity. Conventional solar panel, fixed with a certain angle, limits there area of exposure from sun due to rotation of Earth. In pursuing to get the maximum energy converted from the sun, an automatic system is required which should be capable to constantly rotate the solar panel. The automatic solar tracking system solves this problem. There are single axis trackers and dual axis trackers. In this paper we will discuss PLC based dual axis tracker. Dual axis trackers have two degrees of freedom that act as axes of rotation. PLC based I/O configuration is used as the hardware along with the comparison unit of photosensitive resistance for detecting the ray strength and shift the panel towards the maximum output from the sun. Stepper motor arrangement is used to rotate the panel to the desired position. The system tracks by comparing the intensity of light falling on the sensors. Based on the sensors output the motor can rotate the solar panel to meet the sun’s maximum position. Thus, solar panel can be driven by the motor which in turn gets the input signals from the PLC. Precise control of the stepper motors is possible by using the PLC. By giving a suitable delay between each step, the time for rotation of the solar panel to a particular position can also be controlled.
 Bajpai P, Kumar S, “Design, development and performance test of an automatic two-axis solar tracker system”, Annual IEEE Conference Publication, India Conference (INDCON) 2011, Electr. Eng. Dept., IIT Kharagpur, Kharagpur, 16-18 Dec. 2011, 1–6.
 Esram T, Kimball JW, Krein PT, Chapman PL, Midya P, ”Dynamic maximum power point tracking of photovoltaic arrays using ripple correlation control”, IEEE Transactions. 2006 ;21(5), Illinois Univ., Urbana, IL , Sept. 2006, 1282–1291.
 Feng-run Liu, Le Xiao, Wen-jia Li,” The design of automatic solar tracking system for solar cell”, IEEE 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC) 2011; North China University of Technology, China, 8-10 Aug. 2011, 4451–4454
 Huifeng Jiao, Jianzhong Fu, Yuchun Li, Jintao Lai, “Design of automatic two-axis sun-tracking system”, IEEE International Conference on Mechanic Automation and Control Engineering (MACE) 2010, Dept. of Mech. Eng., Zhejiang Univ., China, 26-28 June 2010, 2323–2326.
 Khan MTA, Tanzil SMS, Rahman R, Alam SMS.” Design and construction of an automatic solar tracking system”, IEEE 6th International Conference on Electrical and Computer Engineering (ICECE), 2010, Dept. of Electr. & Electron. Eng.,
 L Milea, M Dascalu, O Oltu, A Zafiu. “Two axes detector for photovoltaic panels’ automatic full angle orientation,” Semiconductor Conference (CAS) IEEE International Conference Publication, 2010, Politeh. Univ. of Bucharest, Romania, 11-13 Oct. 2010, 125-128.
 Ponniran A, Hashim A, Munir HA,”A design of single axis sun tracking system”, 5th International Power Engineering and Optimization Conference (PEOCO2011), 2011, Fac. of Electr & Electron. Eng., Univ. Tun Hussein Onn Malaysia, Malaysia, 6-7 June 2011 107-110.
 Salsabila Ahmad, Suhaidi Shafie and Mohd Zainal Abidin Ab Kadir, “A High Power Generation, Low Power Consumption Solar Tracker “, IEEE International Conference on Power and Energy (PECon) 2012, University Malaysia Perlis, Malaysia, 2-5 December 2012, 366-371.
Shunjie Han,Yue Han and Meng Han ,”Research and Implementation of the Dual Mode Solar Automatic Tracking System”, Power and Energy Engineering Conference (APPEEC) 2012 , Changchun University of Technology, China, 27-29 March 2012, 1-4 .
 Weiping Luo ,” A solar panels automatic tracking system based on Omron PLC”, Asian Control Conference(ASCC)2009, Wuhan University of Science & Engineering, China, 27-29 Aug. 2009,1611-1614.
Zhang Bao-jian, Gao Guo-hong, Zhu Yan-li.”Designment of automatic tracking system of solar energy system”, 2nd International Conference on Industrial Mechatronics and Automation, 2010, Comput. Sci. Dept., Henan Inst. of Sci. & Technol., China, 30-31 May 2010689–691.
solar panel; dual axis trackers; PLC; stepper motor