INTRODUCTION:
Renewable energy sources play an important
role in electricity generation. Various renewable energy sources like wind,
solar, geothermal, ocean thermal, and biomass can be used for generation of
electricity and for meeting our daily energy needs. Energy from the sun is the
best option for electricity generation as it is available everywhere and is
free to harness. On an average the sunshine hour in India is about 6hrs annually
also the sun shine shines in India for about 9 months in a year. Electricity
from the sun can be generated through the solar photovoltaic modules (SPV). The
SPV comes in various power output to meet the load requirement Maximization of
power from a solar photo voltaic module (SPV) is of special interest as the
efficiency of the SPV module is very low. A peak power tracker is used for extracting
the maximum power from the SPV module .The present work describes the maximum
power point tracker (MPPT) for the SPV module connected to a resistive load. A
Personal Computer (PC) is used for control of the MPPT algorithm. The power
tracker is developed and tested successfully in the laboratory. The simulation
studies are carried out in MATLAB /SIMULINK .
Data acquisition, monitoring and control is done by dSPACER software
and digital signal processor card on PC. The measured parameters such as panel
voltage, current and power are displayed on the monitor of the pc. The MPPT
system has been tested on Solar PV Module rated 38Wpeak at 16.6V and 2.2 A and
at 250
degree
Celsius and 1000W/m2 of TATA BP Solar INDIA.
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