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High Performance Standby Photovoltaics for LED Lights

Monu Malik, Rakhi Kamra, Annu Dagar, Shilpam Malik

Abstract


The existing study established a high-performance solar PV power technology for the LED lighting of a solar home system. Near-Maximum-Power-Point- Operation design is employed in system design to eliminate MPPT. A feedback control system using PWM technique was developed for battery charging control which can enlarge the charging capacity by 78%. For high-efficiency lighting, the LED is directly driven by battery using a PWM release control to eradicate a DC/DC converter. Two solar-powered LED lighting systems (50W and 100W LED) were built. The long-term outside tests have shown that the loss of load expectation for full-night lighting demand is zero for 50W LED and 3.6% for 100W LED.”

 


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References


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