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Potential of a Two Motor Concept for Electric Vehicles with Respect to Its Interaction with the Air Conditioning Unit

Sigle, Sebastian and Schier, Michael (2019) Potential of a Two Motor Concept for Electric Vehicles with Respect to Its Interaction with the Air Conditioning Unit. ELECTRIC VEHICLES INTERNATIONAL, 03.-04.10.2019, Bucharest, Romania. DOI: 10.1109/EV.2019.8893066 ISBN 978-1-7281-0791-2

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Official URL: https://ieeexplore.ieee.org/document/8893066

Abstract

A common approach to enhance the overall efficiency of an electric driven vehicle is to use a double motor concept. In the hereby presented research project TIOM (Two in one motor) two different electric motors are used for traction and the compressor of the air conditioning (AC) system. The main research questions in the following paper are first which operation scenario fits best for this system and second if the developed operation strategy leads to higher efficiencies. For this purpose a simulation model of the vehicle including the AC circuit was built in Dymola. The model contains a strategy that can select between ten different operation modes for the two motors based on the efficiencies of the motors, the torque requirements, the rotation speed of the wheel and the rotation speed range of the AC compressor. The chosen operation scenarios are four driving cycles: the New European Driving Cycle (NEDC), the Worldwide harmonized Light vehicles Test Cycle (WLTC) and two real driving cycles, a regional cycle and a motorway cycle. The simulation also distinguishes between operation with activated and deactivated AC circuit. As a result the energy consumption in the different scenarios is evaluated and compared to a vehicle with a conventional motor concept with separated motors for the traction and AC circuit.

Item URL in elib:https://elib.dlr.de/129566/
Document Type:Conference or Workshop Item (Speech)
Title:Potential of a Two Motor Concept for Electric Vehicles with Respect to Its Interaction with the Air Conditioning Unit
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sigle, SebastianSebastian.Sigle (at) dlr.dehttps://orcid.org/0000-0003-1533-2043
Schier, MichaelMichael.Schier (at) dlr.deUNSPECIFIED
Date:2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.1109/EV.2019.8893066
ISBN:978-1-7281-0791-2
Status:Published
Keywords:energy, highly integrated drives, two in one motor concepts, simulation, Dymola, Modelica, real drive cycles
Event Title:ELECTRIC VEHICLES INTERNATIONAL
Event Location:Bucharest, Romania
Event Type:international Conference
Event Dates:03.-04.10.2019
Organizer:AVER
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC Antriebssystem und Energiemanagement
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Vehicle Energy Concepts
Deposited By: Sigle, Sebastian
Deposited On:14 Oct 2019 13:07
Last Modified:27 Nov 2019 15:42

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