Design and implementation of FPGA control unit for solar Application
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 6
Abstract
Designing photovoltaic systems to maximize the output power Maximum Power Point Tracking (MPPT) is used. The new MPPT system is developed, using DC-DC converter. The design of FPGA control unit which includes the power circuit and a MPPT circuit with a buck boost circuit. The voltage divider circuit is used to send the constant voltage to the battery from the solar input. The ADC is used to convert the input analog signal from the solar panel to digital signal. Pulse width modulation technique is employed in this paper to give low total harmonic distortion with output voltage and frequency control. The qualitative performance parameters of the PWM technique are mathematically analyzed. The result shows that the voltage supply will be constant to the battery. The PWM is coded in VHDL and the design has been implemented in ALTERA CYCLONE board which requires 25mA for the start of execution. The board is powered by 12V DC supply by using a step down transformer.
Authors and Affiliations
V. Sahana, Dr. M. Jagadeeswari
Keywords
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