Solar power is a new green power. It is regarded as clean, pollution-free,
and inexhaustible. Photovoltaic conversion is an effective way to use solar
power. Because the price of photovoltaic cell is expensive and conversion
efficiency is low presently, the Maximum Power Point Tracking is absolutely
necessary, in order to decrease system cost and increase efficiency. Aims at
how to increase the efficiency of conversion for the photovoltaic energy system,
this paper researches the solar controller with maximum power point tracking
(MPPT) and presents a novel MPPT method from the simulation.
The main work of this paper is as follows:
First, introduces the background, significance, work.
Second, analyzing the principle of the solar panel and using the MATLAB
software to build the simulation of the output characteristic for the solar cell
under different temperature and isolation.
Third, introduces the MPPT principle, comparing several common MPPT
methods and find out their advantage and disadvantage. Then analysis three
DC/DC converters’ principles.
Forth, using the MATLAB software simulink toolbox to build the
simulation of the Perturbation And Observation method, Incremental
Conductance method and improved the Incremental Conductance method. The
result of the simulation demonstrates that the new strategy can reduce the
responding time of the system.
Fifth，using the CATIA software to build the first generation solar car 3D
model. Then build the circuit of the MPPT system.
Last, write a program to analysis the current and voltage of the system.
Keywords： Solar Energy ; MPPT ; MATLAB Simulation ; DC/DC Converter
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