Modern Electric, Hybrid Electric, and Fuel Cell Vehicles, Third Edition by Ehsani Mehrdad; Gao Yimin; Longo Stefano

Author:Ehsani, Mehrdad; Gao, Yimin; Longo, Stefano
Language: eng
Format: epub
Publisher: CRC Press
Published: 2017-01-24T05:00:00+00:00

(9.3)

where Pe is the engine power output, PL is the propelling power demanded by the driver from the accelerator pedal, Pm is the power output of the electric motor, Ppps-d is the PPS discharge power, and ηm is the motor efficiency.

Hybrid propelling mode: When the propelling power, PL, demanded by the driver, represented by point A in Figure 9.3, is greater than the power that the engine can produce, both the engine and the electric motor must deliver their power to the drive wheels at the same time. In this case, engine operation is set at its optimum operation line (point a) by controlling the engine throttle to produce power Pe. The remaining power demand is supplied by the electric motor. The motor power output and PPS discharge power are

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