DC-based EVs and hybrid EVs

DC-based EVs and hybrid EVs

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In this chapter, the power electronics converters and inverter in vehicle application are introduced. Several possible topologies for PFC, isolated DC/DC converter, APM, and APF are presented. The practical design of DC bus bars and the selection of power switch devices and DC-link capacitors are given. Finally, the state-of-theart topological reconfigurations of DC systems in electrified vehicles are presented. One of the biggest challenges for the next generation of power electronic systems in vehicle application will be the cost reduction to provide more affordable solutions. This has become one of the major barriers for electrified vehicle for mass commercialization. These dual-mode integration approaches are dedicated to vehicle application and can reduce the cost, size, and weight of the system. Therefore, they will also help promoting and accelerating the paradigm shift to the transportation 2.0.

Chapter Contents:

  • 13.1 Introduction
  • 13.1.1 Power electronic system in electrified vehicles
  • 13.1.2 DC auxiliary loads in electrified vehicles
  • 13.2 Converter topologies in electrified vehicles
  • 13.2.1 Conductive HV battery chargers
  • 13.2.2 Active power filters in HV battery chargers
  • 13.2.3 LV auxiliary power modules
  • 13.3 Practical design considerations
  • 13.3.1 Selections of switching devices
  • 13.3.2 Selections of DC-link capacitors
  • 13.3.3 Design considerations of DC bus bars
  • 13.4 Topological reconfigurations of DC systems in electrified vehicles
  • 13.4.1 Topological reconfigurations in HV charging and propulsion systems
  • 13.4.2 Topological reconfigurations in dual-voltage charging systems
  • 13.5 Conclusions
  • References

Inspec keywords: power electronics; DC-DC power convertors; hybrid electric vehicles; AC-DC power convertors

Other keywords: power electronics converters; DC bus bars; DC-based EV; vehicle application; power switch devices; APF; electrified vehicles; PFC; APM; power electronic systems; isolated DC/DC converter; state-of-the-art topological reconfigurations; hybrid EV; DC-link capacitors; dual-mode integration approaches; mass commercialization

Subjects: Transportation

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