E-Mobility Solutions for City Buses
Best Practices and Trends
Prof. Dr. Dietmar Göhlich
Technical University Berlin
Chair of Methods for Product Development and Mechatronics
Coordinator of Research Campus Mobility2Grid
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Spotlight on Two Running Projects
 E-Bus Berlin
Electrified Public Bus Line
in Berlin City
 Research Campus Mobility2Grid
Combination of Renewable
Energies with E-Mobility
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Smart E-Buses for Smart Cities
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Why Electric Buses?
 Reduction of
CO2 emissions
© EUREF Campus

Line 204 (E-Bus Berlin
Project): 260 tons/year

All BVG buses:
144,000 tons/year
Sources: Own calculations; BVG sustainability report
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Why Electric Buses?
 No local air pollution
http://funbilder.x-sites.de/funbilder/saubere-emissionen-mit-diesem-bus-nicht-wirklich.html
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Why Electric Buses?
 No local air pollution
34
Low emissions zone
(inner city area)
Number of days per year
where mean concentration of
<10 µm particulate matter
(PM10) exceeds 50 µg/m³.
35 days per year are
permitted.
* Increased due to roadworks
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Why Electric Buses?
And …
…less noise!
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Why Electric Buses?
 Smart use of energy storage
© arivus GmbH
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Obstacles to Electromobility
 Capital cost of vehicles
and infrastructure
 Charging times and
reduced range
 Availability of charging
stations
 Vehicle2Grid not yet
operational
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Electric Trolley Buses Have Been in Operation
for over 100 Years, but…
…do we really want Berlin
to look like this?
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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E-Bus Berlin Project: Bus Line 204
Zoologischer Garten

6.1 km per trip

Every 20 minutes

4 electric buses

Opportunity charging
after each trip

Public operation
starting Summer 2015
Südkreuz
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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E-Bus Berlin Project: Inductive Opportunity Charging

Smaller battery
Overnight charging
3000 kg
Opportunity charging
1200 kg
+ 27
Source: Own calculations
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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E-Bus Berlin Project: Inductive Opportunity Charging


Smaller battery
No alterations to
cityscape
Overnight charging
3000 kg
Opportunity charging
1200 kg
+ 27
Zoologischer Garten (Hertzallee)
charging station
Source: Own calculations
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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E-Bus Berlin Project: Inductive Opportunity Charging
Control
electronics
Batteries
Cooling Unit
Charging slab
Wayside
electronics
© Bombardier
(modified)
Transmitter
Pickup
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
Vehicle detection
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E-Bus Berlin Project: Inductive Opportunity Charging
Control
electronics
Batteries
Cooling Unit
Charging slab
Wayside
electronics
© Bombardier
(modified)
Transmitter
Pickup
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
Vehicle detection
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What happens next?
2015
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
2020
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Future-Proof Urban Development – Mobility2Grid for
Smart Cities
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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The 7 Mobility2Grid Topic Fields
 Acceptance & Participation
 Smart Grid Infrastructures
 Interlinked E-Mobility
 Bus- & Commercial Transport
 Education & Knowledge Transfer
 Digital Spaces
 Operation & Application
© Mobility2Grid e.V.
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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Mobility2Grid - Public Private Partnership
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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EUREF / Mobility2Grid Infrastructure 2015
© InnoZ
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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EUREF / Mobility2Grid Infrastructure Plan 2020
© InnoZ
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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EUREF / Mobility2Grid Infrastructure Plan 2020
Fast Charging & V2G Power !
© InnoZ
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
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E-Mobility Solutions for City Buses
Best Practices and Trends
Prof. Dr. Dietmar Göhlich
Technical University Berlin
Department Chair Methods for Product Development and Mechatronics
Coordinator of Research Campus Mobility2Grid
Berlin ‒ A Showroom for E-Mobility? ∙ Dietmar Göhlich, Rico Gast ∙ 22.05.2015
23