Implementation of wireless monitoring system on the performance of 48v dc-dc boost converter in photovoltaic solar energy
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Date
2018-07-01
Authors
Samiyah Umill Hakim Hasan
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Abstract
Solar energy is cheap, clean and readily available resource. One of the most important solar charge controller’s applications in solar power system is used as battery storage to regulate battery state-of –charge and help prevent batteries from hazardous conditions and protects battery from being overcharged by-photovoltaic array. A DC-DC boost converter, one of functional and reliable major components in solar charge controller system was used to boost the low voltage from solar panel to a higher voltage. The proposed boost converter was used in this research is DC1286A-B demonstration circuit board from Linear Technology Corporation was designed for high application, providing output voltage 48 V and output current was at 3 A. The procedures used to monitor or evaluate photovoltaic power supply and boost converter system with using the real time monitoring of photovoltaic power supply and boost converter system, the expert system can evaluate the performance of the solar system. The monitoring system will collect voltage and current of input photovoltaic power supply and output DC- DC boost converter and display the data to the designed monitoring interface (GUI) for future analyzed. Experimental work was carried out with the DC-DC boost converter operating in continuous conduction mode (CCM) with 48 V output voltage, 144 W output power and 200 kHz switching frequency. The experimental results showed that the proposed designed was able to produce a constant 48 V output boost converter with range input from photovoltaic 8 V to 36 V at 16 Ω load conditions. Lastly, the final analysis of the output PV system was completed to target the future design of 48 V output of solar charge controller.