An excellent example of this trend for the power electronic drives is provided by comparing the drive units in the Tesla S (2012) and Tesla 3 (2017). Despite the significant differences between these varied transportation modes, they all share strong motivations to make their electric machines and adjustable-speed drives smaller, lighter, and more efficient. Fuel economy and reduced emissions of greenhouse gases and other pollutants are major driving forces for electrified transportation.
All of these transportation modes depend on electric machines that play critical roles in both propulsion systems as well as in a wide variety of accessory equipment. A technology revolution is unfolding around us as every major mode of transportation is in some stage of electrification, whether on land, sea, or in the air.
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