Railway traction

Agirre, Xabier; Abad, Gonzalo

doi:10.1002/9781118954454.ch5

Cited by 1 publication

(2 citation statements)

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“…Usually, a propulsion system for dc traction power supply is simpler and slightly cheaper than the one for an ac traction power supply, since the costs of power transformers in the dc traction power supply can be saved. On the other hand, only one stage of power conversion is required in the dc traction power with dc electric machines (dc-dc converter), e.g., tram lines, which makes this solution the cheapest among the other propulsion systems [270].…”

Section: L2 L1mentioning

confidence: 99%

“…For instance, when dc traction machines are utilized, dc-dc converters are crucial to adjust the dc voltage values. On the other side, dc-ac converters are indispensable to drive the ac electric machines by changing the voltage frequency and amplitude, known as variable voltage variable frequency drive [270,271]. Future converter technologies are likely to utilize SiC devices for more efficient traction systems, besides the benefits of higher temperature operation capability and the possibility of manufacturing smaller and lighter power converters without transformers.…”

Section: L2 L1mentioning

confidence: 99%

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A Review on Power Electronics Technologies for Electric Mobility

et al. 2020

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Concerns about greenhouse gas emissions are a key topic addressed by modern societies worldwide. As a contribution to mitigate such effects caused by the transportation sector, the full adoption of electric mobility is increasingly being seen as the main alternative to conventional internal combustion engine (ICE) vehicles, which is supported by positive industry indicators, despite some identified hurdles. For such objective, power electronics technologies play an essential role and can be contextualized in different purposes to support the full adoption of electric mobility, including on-board and off-board battery charging systems, inductive wireless charging systems, unified traction and charging systems, new topologies with innovative operation modes for supporting the electrical power grid, and innovative solutions for electrified railways. Embracing all of these aspects, this paper presents a review on power electronics technologies for electric mobility where some of the main technologies and power electronics topologies are presented and explained. In order to address a broad scope of technologies, this paper covers road vehicles, lightweight vehicles and railway vehicles, among other electric vehicles.

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Section: L2 L1mentioning

confidence: 99%

Section: L2 L1mentioning

confidence: 99%