Indonesian Journal of Electrical Engineering and Computer Science Vol. 5, No. 3, March 2017, pp. 515 ~ 520 DOI: 10.11591/ijeecs.v5.i3.pp515-520  515 Received September 25, 2016; Revised January 1, 2017; Accepted February 18, 2017 An Improved Approach to Design a Photovoltaic Panel Murari Lal Azad 1 , Pradip Kumar Sadhu 2 , Soumya Das* 3 , Biplab Satpati 4 , Anagh Gupta 5 , P. Arvind 6 , Riya Biswas 7 1 Department of EEE, AMITY University,Greater Noida Campus, India India. 2 Department of Electrical Engineering, Indian School of Mines, Dhanbad, Jharkhand-826004, India. 3-7 Department of Electrical Engineering, University Institute of Technology, Bardhaman, WB-713104, India. Tel.:+91-9475422158; fax: +91-326-229-6563 *Corresponding author, e-mail: soumya.sd1984@gmail.com Abstract In this paper, modeling and simulation of the solar photo-voltaic (PV) power generator is observed using Matlab-Simulink environment. The study the fore-mentioned photovoltaic systems in an efficient manner the knowledge of I-V and P-V characteristics is a prerequisite. Effect of environmental parameters of temperature and irradiance variations could also be observed from simulated characteristics. Keywords: Photovoltaic panel, PV Curves, IV Curves, Modelling, Simulation,Matlab/Simulink. Copyright © 2017 Institute of Advanced Engineering and Science. All rights reserved. 1. Introduction The onward march of human civilisation has come at the cost of environment.One of the biggest concerns of today is environment safety, and as time progresses this need will grow bigger and greater. Thus the present scenario calls for greener energy resources [1] [2]. There are many energy sources such as solar photo-voltaic system, wind turbine, and energy storage system used for generation of electricity. Solar cells are used in various field of application both residential and industrial. D.C power is more preferred than A.C because of lower losses. Photovoltaic systems are most useful generally [3] [4]. Now a day’s a lot of research is going round for modelling of photovoltaic devices. Modelling of photovoltaic devices and simulating their behaviour represent a significant portion of today's research in the field of solar energy. Naturally the major issue of PV panel is it’s dependence on weather conditions which greatly alter the output power. In this model a clear procedure is mentioned on how to create pv panel through matlab simulation which is simple yet effective under varied environmental conditions. An equivalent circuit is used for modelling as because it allows performing a joint simulation of a photoelectric device with power electronics interfaces [5-9]. Such simulations allow optimising the design of solar arrays and power systems. The most crucial component that affects the accuracy of the simulation is the PV cell model. Modelling of PV cell involves several steps majorly concerning the estimation of the I–V and P–V characteristics curves to emulate the real cell under various conditions of temperature and irradiance. The most popular approach is to utilise the electrical equivalent circuit, which is primarily based on the diode. Many models have been proposed by various researchers; of which the simplest is the basic single-diode model. It comprises of a linear independent current source in parallel to a diode [10]. 2. Mathematical Representation of Boost Converter A basic single-diode model is chosen for Matlab simulation and analysis [3]. The desired power output is obtained by joining the PV cells in series. The group of these PV cells is known PV module and group of PV modules is known PV array. To understand PV panel features we first observe a simplified PV cell. A simplified model of a solar cell is shown Figure 1.