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An Innovative Serial-parallel Hybrid Electric Automotive Powertrain Configuration and its Application
FISITA2014/F2014-EPT-020

Authors

Luo, Guopeng; Liu, Minghui; Yang, Xingwang; Zhao, Honghui; - China FAW CO., Ltd. R&D Center

Abstract

To meet the stringent Chinese CAFE requirements and customers’ high fuel economy demands, PHEV (Plug-in Hybrid Electric Vehicle) capable of extended electric and hybrid driving capacity plays a critical role in the powertrain electrification trend. In this paper, an innovative low-cost powertrain configuration with an integrated 3-speed transmission and dual electric motors for a balance of the electric and ICE power is proposed. Application for an A-class PHEV that can meet zero emissions in urban driving in pure electric or CD (Charge Depleting) mode and 4.0L/100km in hybrid or CS (Charge Sustain) mode based on simulation results is also discussed.

KEYWORDS –serial-parallel hybrid powertrain, electric driving mode, hybrid driving mode, system cost, system efficiency

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