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《B3_MinguiNiu_Paper_English》.pdf
China P2 hybrid system
Dr. Niu Mingkui
Director eMobility
Schaeffler Trading (Shanghai) Co., Ltd.
1. Abstract:
This article summarizes the development of the Schaeffler P2 China hybrid
module. Starting with a consideration of the market requirements and the
market challenges in China it is concluded that a P2 hybrid system fits very
well to the Chinese market. These requirements were translated into a P2
hybrid specification for the Chinese market. Simulations and measurements
show that the specification was fulfilled and the requirements of market are
completely met. Finally the product design is explained in detail with its
outstanding modular concept. The same-part strategy enables application
engineering instead of a completely new development process for each
customer. The Schaeffler P2 hybrid module contains a high power density
permanent magnet synchronous e-motor and an electrical central actuation
system which tightly manages the torque split between combustion engine
and e-motor during ICE start. Highest efforts were taken to ensure that the
enlarged powertrain fits into existing chassis packages and can be combined
with a manual transmission or any kind of automatic transmission like AMT,
CVT, DCT or a conventional stepped automatic transmission.
2. Market requirements and challenges in China
The Chinese civilian vehicle’s ownership has been growing dramatically in the
last five years and reached 120 million units at the end of 2012. The boost of
vehicle ownership leads to high pressure on energy saving and environment
protection. Currently transportation industry
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