An Embedded system is a controller programmed and controlled by a Real Time Operating System RTOS with a dedicated function within a larger mechanical or electrical system, often with Real Time computing constraints. Embedded systems control many devices in common use today. The project aims to design an air, water, and noise pollution monitoring and controlling using internet of things. The level of pollution has increased with times by lot of factors like the increase in population, increased vehicle use, industrialization and urbanization which results in harmful effects on human wellbeing by directly affecting health of population exposed to it. In order to monitor quality of air, water quality and sound level of the environment over IoT based new framework is proposed which is based on data acquisition, transmission and controlling. The proposed bridgeless converter precedes a flyback converter to manage the charging of 48V 100Ah battery throughout the constant current CC constant voltage CV profile as well as built in PFC capability at the mains side is inherited. An 850W prototype is designed and developed tosupport the enhanced performance of the battery charger by reconstructing the line current waveform and significantly reducing the input harmonics distortion to the recommended IEC 61000 3 2 standard. P. Selvan | P. Selvan | V. Navanitha Krishnan | B. Pavunraj | K. Sureshkumar "DCM-Based Bridgeless PFC Converter for EV Charging Application" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-6 , October 2021, URL: https://www.ijtsrd.com/papers/ijtsrd39922.pdf Paper URL : https://www.ijtsrd.com/engineering/electrical-engineering/39922/dcmbased-bridgeless-pfc-converter-for-ev-charging-application/p-selvan
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