Development of Microcontroller-Based Solar Tracking System Using LDR Sensor

Authors

  • Cindy Tay Yin Xi School of Ocean Engineering, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia
  • Muhamad Zalani Daud School of Ocean Engineering, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia
  • Wan Mariam Wan Muda School of Ocean Engineering, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia
  • Mohd Afifi Jusoh School of Ocean Engineering, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia

Keywords:

Photovoltaic Energy, Solar Tracker, PIC Microcontroller, LDR Sensor,

Abstract

This paper presents the design of solar tracking controller used in the photovoltaic (PV) generation system. A low cost and simple single axis tracker is constructed using the Programmable Interface Controller (PIC). The control goal for the controller is to ensure the position of the solar PV cell is continuously adjusted according to the sun’s position. In this regard, tracking mechanism ensures that the surface of the PV cell is always perpendicular to the solar radiation allowing an optimum power extraction from the sun. The controller utilizes two Light Dependent Resistor (LDR) sensors as the input sensor that sense the light intensity. The difference in resistance data of LDRs is used by the stepper motor to rotate clockwise or counter clockwise to move the solar PV cell toward the side of higher intensity. From the experimental test results, the developed prototype system is able to function properly, in which the motor is able to rotate according to the input light source.

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Published

2017-09-01

How to Cite

Xi, C. T. Y., Daud, M. Z., Wan Muda, W. M., & Jusoh, M. A. (2017). Development of Microcontroller-Based Solar Tracking System Using LDR Sensor. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 9(2-7), 71–75. Retrieved from https://jtec.utem.edu.my/jtec/article/view/2595

Issue

Vol. 9 No. 2-7: Towards Creative and Innovative Technologies for Humankind I

Section

Articles

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