International Research Journal of Engineering and Technology (IRJET) Volume: 04 Issue: 02 | Feb -2017
www.irjet.net
e-ISSN: 2395 -0056 p-ISSN: 2395-0072
Grid Connected Photovoltaic Power Plant with DC Boost converter Using MPPT Technique Neetu Saini1, J. S. Arya2 1
M.tech scholars, Electrical Dept., GIMT, KUK, HARYANA, INDIA saininvi@gmail.com 2HOD
in Electrical Dept., GIMT, KUK, HARYANA, INDIA jsarya26@yahoo.co.in
---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - The computation of Solar energy systems consist
Photovoltaic (PV) installation, in which energy is redeem in the public electricity grid or power can be provided exactly to an electrical equipment. For the betterment of the efficiency of PV array in the photovoltaic system, there is requirement of power electronic conversion and also the firmness of system. The power circuit contains a Boost Converter (high step-up) DC to DC converter and a inverter with multilevel to transform DC to AC in these systems, as the voltage of grid is pulsating (AC) in nature. The requirement of Control circuit is to get constant (DC) voltage at output with PV systems output voltage at load side, it is continual varying in nature. This is the analysis of Grid connected solar power plant with DC boost converter using MPPT. Here, in this paper the modelling of Boost Converter, Battery Converter with MPPT Technique and A grid connected solar photovoltaic system represented by this paper and has been modelled and simulated by using the SIMULINK in the MATLAB. The results of simulation flaunt that the system can equipoise with stable operation under the converter control schemes during the swapping of grid from one operating condition to another. Keywords— Boost converter, Photovoltaic Array, Grid, MPPT.
Battery
converter,
1. INTRODUCTION With the spreading apprehension of the non-renewable sources of energy, the prices of fossil fuel are increasing constantly, ecosystem damaging and environment, the renewable energy global warming is seemly more promoted and is attaining more attention as a designated to nonrenewable sources of energy. Solar system energy is the most acute and sustainable sources of energy, throughout the renewable sources of energy in comparison with the other source of energy resources such that wind, tidal, fuel cell etc. The irradiation (rays of sun) of PV Array transform into electricity. In Grid Connected PV System, The PV system linked together with grid by using boost converter and MPPT for control of coordination in grid system. Grid connected PV plant have appropriately more promoted due to their various kinds of applications in distributed generation and © 2017, IRJET
|
Impact Factor value: 5.181
|
as well the effective use of the PV array power plant. Transmission line contains higher voltage with long distance is no longer obligatory, when power is totally transferred by local renewable sources of power [1]. For the elevation of the connection of renewable energy sources of power to conventional ac systems, The AC micro grids [2]–[5] have been delegation. On the another hand, power generated (DC) with the help of fuel cells or photovoltaic (PV) panels has to be transform into ac by using, photovoltaic (PV) panels, dc/ac inverters and dc/dc boost converter for the purpose of connection with an ac grid. In an ac grid, there is requisite of ac/dc and dc/dc converters for various kinds of office facilities and home to escalate distinct dc voltages. 2. SYSTEM DEPICTION The distinct types of components used in grid-connected photovoltaic plant with two levels to work out PV power and transmit to the grid. The composition of system is specially for, PV arrays matrix, which transforms irradiation that comes from sun into DC power, a boost converter (DC to DC) to boost up the voltage level of PV array to a modestly level DC Voltage and DC to AC multi level inverter which transforms the DC power into AC power. The established AC power from an inverter is booster into the grid and is accommodated by the local loads [6].
Fig.1. Components of Grid connected PV plant
ISO 9001:2008 Certified Journal
|
Page 237