Lecture Slides for PES_2 - EE1101: Emerging Technologies in...

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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda Energy in Transportation Sector ost f e resent ansportation ystem • Most of the present transportation system is not sustainable – dependence on fossil fuel . • There is a need for an evolving paradigm shift lectrification) e ansportation (electrification) in the transportation industry towards more efficient, more liable fer arter nd igher reliable, safer, smarter, and higher- performance vehicles that are more environmentally friendly . • Electrification can be applied to both propulsion and non-propulsion systems. Chapter-1-Pg.36
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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda • Electrified vehicles includ es o - c a lled more- electric vehicles ”(MEVs–20%) , hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles HEVs), nd lectric hicles Vs – 0 (PHEVs), and electric vehicles (EVs 100%). • Power electronics and advanced electromechanical energy conversion systems (i.e., electric motor drives) provide the enabling technology . ransportation lectrification sion cludes Transportation electrification vision includes generating electricity more and more from newable nergy ources nd sing renewable energy sources and using in transportation. Chapter-1-Pg.37
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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda • The next generation of electrified vehicles will therefore be integrated with electrical power systems through PHEVs and EVs. he environmental footprints of such vehicles The environmental footprints of such vehicles are reduced as the power grid becomes cleaner and greener over time. Chapter-1-Pg.38
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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda Chapter-1-Pg.39
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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda • The MEV concept is based on using more and more electrical systems instead of — or in combination with— mechanical, hydraulic, and neumatic ystems pneumatic systems . • Non-propulsion loads include electrically assisted power steering, electrically driven air conditioning, electromechanical valve control, electrically controlled suspension and vehicle dynamics, throttle actuation, antilock braking, and electrically heated catalytic converters, in ddition o ghts umps ans nd lectric addition to lights, pumps, fans, and electric motors for various functions. Chapter-1-Pg.40
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EE1101: Emerging Technologies in Electrical Engineering - 2011-12 Chapter1: Power & Energy – S K Panda • The increasing electrical power demand in vehicles results in a need for a higher onboard generation capacity (alternator) . he rque vels f ese rger lternators The torque levels of these larger alternators converge to the torque capabilities of the starters.
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Lecture Slides for PES_2 - EE1101: Emerging Technologies in...

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