in-company smart charging€¦ · • battery modelling • dutch incert • ev(se) system ......
TRANSCRIPT
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In-Company
Dr. Ir. Steven Haveman
University of Twente
Future of Charging Symposium
10-3-2020
Smart ChargingDesign of an EV charging
system and simulation model
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Who are we?
University of Twente - Department of Design Engineering
Systems Engineering & Multidisciplinary Design
Steven Haveman
Postdoc ResearcherMike Voss
Maarten Bonnema
Associate Professor
Roberto Reyes
Junior Researcher
The Presenter
The Author
“Electric Mobility
Team”
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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bit.ly/TOMP-WG
• Research into MaaS
architectures, including
e-mobility & charging
• Standardization of
communication
• Research on EV Uptake
• Transnational Survey on
EV Knowledge
e.g. 21% in NL agreed that
charging on the go is still to
difficult, 26% disagreed, 28%
doesn’t know
• Simulation Model of EV
Uptake – ADAM & EV
bit.ly/ADAMEV
What do we do?
System Modelling & Simulation | System Thinking | Architecture Design
Often applied to Electric & Shared Mobility
And more:
Supervise Research
• eLaad
Flexibility / Congestion
• IB Amsterdam
Grid Impact Analysis
• Battery Modelling
• Dutch Incert
• EV(SE) System
Designs
Upcoming (small part in):
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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In-Company Smart Charging
1. The Current Situation
2. The Modelling Approach
3. Model Outcomes
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
System Design (not today)
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Why In-Company Smart Charging?
In-Company
Smart Charging
Efficient
Energy Usage
Keep
Employees
Happy
Solar
Panels
Support Mobility
Behaviour
Electric
VehiclesContribute to
SustainabilityThe
Company
Sustain or
Improve Business
Operations
Support Mobility
Behaviour
1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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Employee Mobility Behaviour
1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
-20%
30%
80%
0 1 2 3 4 5
Parking instances at company location per day
Commuter Representative Office Worker
0%
20%
40%
60%
0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10+
Duration of single parking instance (hours)
Commuter Representative Office Worker
Survey into travel behavior
3 types of employees
identified• Office Worker
• Based at one location
• Commuter
• Based at more that one
location
• Representative
• Frequent customer visits
30.000km – yearly average
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Employee Expectation Analysis
1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Exploring Some Scenario’s
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1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Exploring Some Scenario’s
![Page 10: In-Company Smart Charging€¦ · • Battery Modelling • Dutch Incert • EV(SE) System ... Solar Forecast (depends on amount of PV capacity) & Parking History Data 3. Model Outcomes](https://reader036.vdocument.in/reader036/viewer/2022090508/601dabd14426271a2e2da353/html5/thumbnails/10.jpg)
1. The Current SituationIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Exploring Some Scenario’s
![Page 11: In-Company Smart Charging€¦ · • Battery Modelling • Dutch Incert • EV(SE) System ... Solar Forecast (depends on amount of PV capacity) & Parking History Data 3. Model Outcomes](https://reader036.vdocument.in/reader036/viewer/2022090508/601dabd14426271a2e2da353/html5/thumbnails/11.jpg)
VeCS Model
2. The Modelling ApproachIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Vehicle Charging Simulation model
Simulates the parking and charging of
EVs to understand charging behavior
and measure system performance
Implemented in Excel (with a lot of VBA)
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VeCS Model - Structure
2. The Modelling ApproachIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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VeCS – General Operation
2. The Modelling ApproachIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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VeCS Model - Interface
2. The Modelling ApproachIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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VeCS Model - Interface
2. The Modelling ApproachIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Also included:
-> Saving and comparing
model run results within Excel
-> Viewing yearly results
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VeCS Simulation Model - Outcomes
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Simulation Run at 1 Location
• 30 employees working at
location and driving electrically
• 10 Office Workers
• 10 Commuters
• 10 Representatives
• 10 chargers available
• Vary charging strategy (CS) &
connection management (CM)
3. Model Outcomes
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VeCS Simulation Model - Outcomes
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
0,0
10,0
20,0
30,0
40,0
50,0
60,0
70,0
80,0
07
:00
08
:00
09
:00
10
:00
11
:00
12
:00
13
:00
14
:00
15
:00
16
:00
17
:00
18
:00
PO
WER
(KW
)
Energy patterns
Consumption Solar Energy Export Grid Max
3. Model Outcomes
Simulation Run at 1 Location
• 30 employees working at
location and driving electrically
• 10 Office Workers
• 10 Commuters
• 10 Representatives
• 10 chargers available
• Vary charging strategy (CS) &
connection management (CM)
![Page 18: In-Company Smart Charging€¦ · • Battery Modelling • Dutch Incert • EV(SE) System ... Solar Forecast (depends on amount of PV capacity) & Parking History Data 3. Model Outcomes](https://reader036.vdocument.in/reader036/viewer/2022090508/601dabd14426271a2e2da353/html5/thumbnails/18.jpg)
VeCS Simulation Model - Outcomes
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Scenario 1• CS: First Come, First Serve
• CM: No Transfers
3. Model Outcomes
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VeCS Simulation Model - Outcomes
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
Scenario 1• CS: First Come, First Serve
• CM: No Transfers
3. Model Outcomes
Scenario 2• CS: First Come, First Serve
• CM: Single Midday Transfer
Scenario 3• CS: Perfect Fit
• CM: Instant Transfers
Dumb Rely on Employees Smart Charging!
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VeCS Simulation Model - Capabilties
In-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium3. Model Outcomes
Many more scenarios can be (and were) explored
• 5 predefined charging strategies
• 5 predefined connection management strategies
• # of chargers
• # of employees & average travel
• Grid Connection Capacity
• Installed PV Capacity
• Building Energy Requirements
• Energy Cost
• EV Type (range & efficiency)
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Lessons Learned (1)
Main Learnings
Switch to EV fleet
55% to 65% reduction for energy bill & CO2 emitted
Smart Charging in addition
can establish a further 10% reduction
Most important development
A Charging Speed Algorithm taking into account all parked EVs:
Current SoC level | Next departure time | Next trip distance or energy need
Less influential
Solar Forecast (depends on amount of PV capacity) & Parking History Data
3. Model OutcomesIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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Lessons Learned (2)
Other considerations
Smart charging can remove the need for electrical infrastructure expansion
Traditional
1 connection per 2 employees
Smart
1 connection per 8 employees
Depends on scenario and travelling behaviour
Support employees with home EVSEs – can help to reduce load at company
locations
3. Model OutcomesIn-Company Smart Charging – Steven Haveman, University of Twente
10-03-2020 – Future Of Charging Symposium
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In-Company Smart Charging
Thank You!
Contact:
Steven Haveman - [email protected]
Short Public Summary of Research is available upon request
Future of Charging Symposium – 10-3-2020 – Dr. Ir. Steven Haveman