Advanced Electric Drive Vehicles (Energy, Power Electronics, by Ali Emadi

By Ali Emadi

Electrification is an evolving paradigm shift within the transportation towards extra effective, greater functionality, more secure, smarter, and extra trustworthy automobiles. there's in truth a transparent development to maneuver from inner combustion engines (ICEs) to extra built-in electrified powertrains. delivering an in depth evaluation of this transforming into region, complicated electrical force automobiles starts with an advent to the car undefined, an evidence of the necessity for electrification, and a presentation of the basics of traditional autos and ICEs. It then proceeds to deal with the foremost parts of electrified vehicles—i.e., strength digital converters, electrical machines, electrical motor controllers, and effort garage structures. This complete paintings: - Covers extra electrical autos (MEVs), hybrid electrical automobiles (HEVs), plug-in hybrid electrical automobiles (PHEVs), range-extended electrical cars (REEVs), and all-electric autos (EVs) together with battery electrical automobiles (BEVs) and gas telephone cars (FCVs) - Describes the electrification applied sciences utilized to nonpropulsion rather a lot, corresponding to energy guidance and air-conditioning structures - Discusses hybrid battery/ultra-capacitor strength garage platforms, in addition to 48-V electrification and belt-driven starter generator structures - Considers vehicle-to-grid (V2G) interface and electric infrastructure matters, strength administration, and optimization in complicated electrical force cars - comprises various illustrations, functional examples, case stories, and difficult questions all through to make sure an exceptional knowing of key thoughts and purposes complicated electrical force autos makes a fantastic textbook for senior-level undergraduate or graduate engineering classes and a simple reference for researchers, engineers, managers, and different pros drawn to transportation electrification.

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Example text

The internal combustion engine has been the standard power plant in conventional vehicles for over a century because of its relatively high power-to-weight ratio and low cost, but it is not without its shortcomings. Typically, an internal combustion engine has torque–speed characteristics that do not directly correlate with the ideal performance characteristics required by traction. 4, typical internal combustion engines have a relatively lat proile, which is why a multiple gear transmission is usually employed to modify it.

7 Geometry of the cylinder. Note that, the maximum cylinder volume is at the crank angle θ = π, where s = −a + l and V = Vc + ((πB2 a ) / 2) = Vc + Vd . The minimum cylinder volume is at the crank angle θ = 0, where s = a + l and V = Vc. 14) The compression ratio is an important parameter that represents how much the charge can be compressed for combustion. Typically, the compression ratio is smaller in the SI engine than that of the CI engine. 3 Other Parameters With the information given above, other basic parameters can be derived straightforwardly.

In the intake manifold, the charge is evenly distributed into each cylinder. Even distribution helps the optimal design of the engine in terms of eficiency and performance. 37 Internal Combustion Engines After combustion, the exhaust gas from all the cylinders will be collected to the exhaust manifold before exiting through the exhaust pipe. 3 poWer booSting For a given size of engine, the maximal injected fuel amount is related to the intake charge amount into the cylinder. Therefore, the maximal power for a given size of engine can increase, if the amount of intake charge increases.

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