Dynamic charging of electric vehicles (EVs) allows EVs to be charged while in motion, significantly reducing battery size and cost. EVs can transport energy from distributed solar panels to buildings. Technologies for dynamic charging exist for buses and factory vehicles. Dynamic charging can help reduce transportation and power generation emissions. Current EV limitations include high costs, limited range, and long charging times. Dynamic charging requires only small batteries and prevents depletion with frequent small charges. It reduces range anxiety and enables heavier vehicles like trucks. The document discusses various dynamic charging technologies and prototypes.
Electric Vehicle
Benefits of Electric Vehicle
What is Happening in the world of Electric Vehicle?
Electric Vehicle Charging Types
Wireless Charging
Advantages of Wireless Charging
Dynamic Wireless Charging
Impact of Wireless Charging on the Electric Vehicle Growth
References
Now a days world is shifting towards electrified mobility to reduce the pollutant emissions caused by nonrenewable fossil fueled vehicles and to provide the alternative to pricey fuel for transportation. But for electric vehicles, traveling range and charging process are the two major issues affecting it’s adoption over conventional vehicles.
With the introduction of Wire charging technology, no more waiting at charging stations for hours, now get your vehicle charged by just parking it on parking spot or by parking at your garage or even while driving you can charge your electric vehicle. As of now, we are very much familiar with wireless transmission of data, audio and video signals so why can’t we transfer power over the Air.
Electric Vehicle
Benefits of Electric Vehicle
What is Happening in the world of Electric Vehicle?
Electric Vehicle Charging Types
Wireless Charging
Advantages of Wireless Charging
Dynamic Wireless Charging
Impact of Wireless Charging on the Electric Vehicle Growth
References
Now a days world is shifting towards electrified mobility to reduce the pollutant emissions caused by nonrenewable fossil fueled vehicles and to provide the alternative to pricey fuel for transportation. But for electric vehicles, traveling range and charging process are the two major issues affecting it’s adoption over conventional vehicles.
With the introduction of Wire charging technology, no more waiting at charging stations for hours, now get your vehicle charged by just parking it on parking spot or by parking at your garage or even while driving you can charge your electric vehicle. As of now, we are very much familiar with wireless transmission of data, audio and video signals so why can’t we transfer power over the Air.
Wireless charging using electromagnetic induction, and resonance magnetic coupling. Effects and limitations, cheallenges faced and meathods to overcome. Success Case study. References included.
Vehicle to grid ( V2G) technology ca n be defined as a system in which there is a capabilty to control, bi-directional flow of electric energy between a vehicle and the electrical grid. The integration of electric vehicles into the power grid is called the vehicle-to-grid system.
SEE MORE: https://goo.gl/DZvJcc
• Plug-in Hybrid-Electric Vehicles (PHEVs), are hybrids with high capacity batteries that can be charged by plugging them into an electrical outlet or charging station. They can store enough electricity to significantly reduce their petroleum use under typical driving conditions
Now India is Implementing with Preference and Priority A Green Carbon Free Silent Road Transportation Electric Vehicle and Charging Infrastructure. To Charge These Vehicle we need more power and Separate Power Infrastructure to ensure Stable and Clean Power System with support 24X7 only possible with addition Solar PV Power Plant and High Energy Storage Power System adoption and Implements where demand is more that 1MW.
Our Broad Band and Telecom Signal should be Strong Signal and Fast response as and when require by System.
Ministry Of Urban Infra , Railways, Power , National Highway and Road Infra already advise all State and Central to offer Charging Facilities as per demand in the Market 3KM Radius Public Charging and 25KM Both side of Highways Electric Vehicle Charging Station for Charging 2/3/4 Wheeler Vehicle along with Passenger Buses and Heavy Fleet Electric Vehicles.
This Can be Charging Station or with Restaurant in Highways power demand may be 2.00MW-4.00MW .
Plz Find Attach latest presentation EV Charging Infra from Linkvue System Pvt Ltd Kindly go through .visit www.linkvuesystem.com
We are into Manufacturing , Supply ,Design ,Engineering ,Selection of Genuine and Right Products with supervision support for Installation .
Electrical Safety Earthing ,Lightning and Surge Protection
Net Working Solution LAN ,Fiber ,Wireless and GSM Solutions
Automation and Data Logger RTU's
Protocol Convertor and FO Convertors
CCTV .Fire Alarm ,Access Controls, Security Systems
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Electric vehicle-new 2018 charging presentation mahesh chandra manav by c&sMahesh Chandra Manav
Presentation on EV Vehcile and Public EV Charging Station , Solar PV Power Project with High Energy Storage Battery Systems ,Electrical Contractor , EPC Companies ,EESL/BHEL/NTPC/CEA/Ministry Of Power ,State Dept Of Road Transport/Municipal Corporation ,Smart City,Power Distribution Companies,IOCL,HPCL,BPCL,Indraprast Gas Ltd Project by Mahesh Chandra Manav GM BD C&S M-9811247237 mahesh.manav@cselectric.co.in
Electric vehicles (EVs) will revolutionise the automotive industry with their unique and innovative technology. But that revolution is at least a few years away from now. Although electric cars are gaining popularity, it’s not everyone’s cup of tea, especially in India. One of the closest alternatives to EVs is the Plug-in Hybrid Electric Vehicles (PHEV). They provide the flexibility of switching between electric mode and conventional engine mode.
plug in hybrid electrical vehicals seminar ppt by MD NAWAZMD NAWAZ
A 'gasoline-electric hybrid car' or 'Plug in hybrid electric vehicle' is a vehicle which relies not only on batteries but also on an internal combustion engine which drives a generator to provide the electricity and may also drive a wheel. It has great advantages over the previously used gasoline engine that drives the power from gasoline only. It also is a major source of air pollution. The objective is to design and fabricate a two wheeler hybrid electric vehicle powered by both battery and gasoline. The combination of both the power makes the vehicle dynamic in nature. It provides its owner with advantages in fuel economy and environmental impact over conventional automobiles. Hybrid electric vehicles combine an electric motor, battery and power system with an internal combustion engine to achieve better fuel economy and reduce toxic emissions.
In HEV, the battery alone provides power for low-speed driving conditions where internal combustion engines are least efficient. In accelerating, long highways, or hill climbing the electric motor provides additional power to assist the engine. This allows a smaller, more efficient engine to be used. Besides it also utilizes the concept of regenerative braking for optimized utilization of energy. Energy dissipated during braking in HEV is used in charging battery. Thus the vehicle is best suited for the growing urban areas with high traffic. Initially the designing of the vehicle in CAD, simulations of inverter and other models are done. Equipment and their cost analysis are done. It deals with the fabrication of the vehicle. This includes assembly of IC Engine and its components. The next phase consists of implementing the electric power drive and designing the controllers. The final stage would consist of increasing the efficiency of the vehicle in economic ways.
Microgrids, Electric Vehicles and Wireless ChargingJeffrey Funk
These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to analyze how electric vehicles will become economic feasible if the right design decisions are made to benefit from the falling costs of electronics. One key decision is the use of micro-grids to enable direct charging of the batteries, which is more efficient. A second key decision is the number of recharging stations and thus the frequency by which users can recharge their vehicles. More frequent recharging means smaller batteries can be used and thus the slow rate of improvements for energy storage densities can be overcome. A third key decision is wired vs. wireless charging. Wireless charging eliminates the time consuming maintenance and fitting problems of wires and thus enables faster hookups. It also benefits from the rapidly falling cost of electronics; the falling cost of ICs, power electronics, and thin-film coils means that wireless charging is likely to become economically feasible in the near future and allow the problem of low energy storage densities of batteries to be solved.
Hi there,
Many of us forgot to charge their mobile phones and if there any powercut we can't charge the mobiles right ! . These problem is solved here... For more details download this ppt Now.
Wireless charging using electromagnetic induction, and resonance magnetic coupling. Effects and limitations, cheallenges faced and meathods to overcome. Success Case study. References included.
Vehicle to grid ( V2G) technology ca n be defined as a system in which there is a capabilty to control, bi-directional flow of electric energy between a vehicle and the electrical grid. The integration of electric vehicles into the power grid is called the vehicle-to-grid system.
SEE MORE: https://goo.gl/DZvJcc
• Plug-in Hybrid-Electric Vehicles (PHEVs), are hybrids with high capacity batteries that can be charged by plugging them into an electrical outlet or charging station. They can store enough electricity to significantly reduce their petroleum use under typical driving conditions
Now India is Implementing with Preference and Priority A Green Carbon Free Silent Road Transportation Electric Vehicle and Charging Infrastructure. To Charge These Vehicle we need more power and Separate Power Infrastructure to ensure Stable and Clean Power System with support 24X7 only possible with addition Solar PV Power Plant and High Energy Storage Power System adoption and Implements where demand is more that 1MW.
Our Broad Band and Telecom Signal should be Strong Signal and Fast response as and when require by System.
Ministry Of Urban Infra , Railways, Power , National Highway and Road Infra already advise all State and Central to offer Charging Facilities as per demand in the Market 3KM Radius Public Charging and 25KM Both side of Highways Electric Vehicle Charging Station for Charging 2/3/4 Wheeler Vehicle along with Passenger Buses and Heavy Fleet Electric Vehicles.
This Can be Charging Station or with Restaurant in Highways power demand may be 2.00MW-4.00MW .
Plz Find Attach latest presentation EV Charging Infra from Linkvue System Pvt Ltd Kindly go through .visit www.linkvuesystem.com
We are into Manufacturing , Supply ,Design ,Engineering ,Selection of Genuine and Right Products with supervision support for Installation .
Electrical Safety Earthing ,Lightning and Surge Protection
Net Working Solution LAN ,Fiber ,Wireless and GSM Solutions
Automation and Data Logger RTU's
Protocol Convertor and FO Convertors
CCTV .Fire Alarm ,Access Controls, Security Systems
Fencing PIDS
Industrial PLUG Socket IP 68 Out door up to 400 Amps
Electric Vehicle Charging Connectors and Harness
Solar MC4 Connectors with and Without Fuses
Plz Contact M-9811247237 Mahesh Chandra Manav
manav.chandra@linkvuesystem.com.
Electric vehicle-new 2018 charging presentation mahesh chandra manav by c&sMahesh Chandra Manav
Presentation on EV Vehcile and Public EV Charging Station , Solar PV Power Project with High Energy Storage Battery Systems ,Electrical Contractor , EPC Companies ,EESL/BHEL/NTPC/CEA/Ministry Of Power ,State Dept Of Road Transport/Municipal Corporation ,Smart City,Power Distribution Companies,IOCL,HPCL,BPCL,Indraprast Gas Ltd Project by Mahesh Chandra Manav GM BD C&S M-9811247237 mahesh.manav@cselectric.co.in
Electric vehicles (EVs) will revolutionise the automotive industry with their unique and innovative technology. But that revolution is at least a few years away from now. Although electric cars are gaining popularity, it’s not everyone’s cup of tea, especially in India. One of the closest alternatives to EVs is the Plug-in Hybrid Electric Vehicles (PHEV). They provide the flexibility of switching between electric mode and conventional engine mode.
plug in hybrid electrical vehicals seminar ppt by MD NAWAZMD NAWAZ
A 'gasoline-electric hybrid car' or 'Plug in hybrid electric vehicle' is a vehicle which relies not only on batteries but also on an internal combustion engine which drives a generator to provide the electricity and may also drive a wheel. It has great advantages over the previously used gasoline engine that drives the power from gasoline only. It also is a major source of air pollution. The objective is to design and fabricate a two wheeler hybrid electric vehicle powered by both battery and gasoline. The combination of both the power makes the vehicle dynamic in nature. It provides its owner with advantages in fuel economy and environmental impact over conventional automobiles. Hybrid electric vehicles combine an electric motor, battery and power system with an internal combustion engine to achieve better fuel economy and reduce toxic emissions.
In HEV, the battery alone provides power for low-speed driving conditions where internal combustion engines are least efficient. In accelerating, long highways, or hill climbing the electric motor provides additional power to assist the engine. This allows a smaller, more efficient engine to be used. Besides it also utilizes the concept of regenerative braking for optimized utilization of energy. Energy dissipated during braking in HEV is used in charging battery. Thus the vehicle is best suited for the growing urban areas with high traffic. Initially the designing of the vehicle in CAD, simulations of inverter and other models are done. Equipment and their cost analysis are done. It deals with the fabrication of the vehicle. This includes assembly of IC Engine and its components. The next phase consists of implementing the electric power drive and designing the controllers. The final stage would consist of increasing the efficiency of the vehicle in economic ways.
Microgrids, Electric Vehicles and Wireless ChargingJeffrey Funk
These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to analyze how electric vehicles will become economic feasible if the right design decisions are made to benefit from the falling costs of electronics. One key decision is the use of micro-grids to enable direct charging of the batteries, which is more efficient. A second key decision is the number of recharging stations and thus the frequency by which users can recharge their vehicles. More frequent recharging means smaller batteries can be used and thus the slow rate of improvements for energy storage densities can be overcome. A third key decision is wired vs. wireless charging. Wireless charging eliminates the time consuming maintenance and fitting problems of wires and thus enables faster hookups. It also benefits from the rapidly falling cost of electronics; the falling cost of ICs, power electronics, and thin-film coils means that wireless charging is likely to become economically feasible in the near future and allow the problem of low energy storage densities of batteries to be solved.
Hi there,
Many of us forgot to charge their mobile phones and if there any powercut we can't charge the mobiles right ! . These problem is solved here... For more details download this ppt Now.
These slides use concepts from my (Jeff Funk) course entitled Biz Models for Hi-Tech Products to analyze the business model for wireless charging for electric vehicles. Wireless charging eliminates cables that require time-consuming connections and maintenance as water and sun degrade them. Continuous wireless charging reduces the required batter capacity through coils that are included in vehicles and embedded in roads. These slides describe the specific value proposition for cities, building owners, and other specific customers and other aspects of the business model such as the method of value capture, scope of activities, and method of strategic control.
These slides use concepts from my (Jeff Funk) course on Business Models at National University of Singapore to analyze the business model for a fictitious alliance between Qualcomm and Bosch. Together, these firms can create a dense network of wireless charging stations that can enable the use of inexpensive electric vehicles. The dense network of charging stations reduces the importance of range and thus the weight, volume, and cost of batteries that are needed to propel the vehicle. The slides describe the value proposition, method of value capture, customers, scope of activities, and method of strategic control for Q-Bo, a fictitious alliance between Qualcomm and Bosch.
he Energy Internet
An alternative renewable power distribution system to the electrical grid using dynamic charging of autonomous eVehicles and Internet Routing Protocols
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plz go through presentation and contact us
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Dynamic charging latest developments
1. Building an alternative renewable
power distribution system to the
electrical grid using dynamic
charging of eVehicles
Last updated February 9, 2014
Bill.st.arnaud@gmail.com
2. Executive Summary
• Charging eVehicles as they move (dynamic Charging) significantly reduces
size and weight of batteries as vehicle only needs enough battery capacity
to get to next dynamic charging station a few kilometers away
• It also allows eVehicles to become an energy transport system in addition
to carrying people and goods
• eVehicle can be used to transport energy from small distributed solar
panels in rural or suburban areas to buildings (V2B) in cities or other areas
as needed
• Technology already working for buses in various cities around the world
and in use on factory floors
• Transportation and Electrical Energy Generation are the two largest
sources of CO2 emissions. Dynamic charging can significantly mitigate
against these sources CO2
3. Current limitations of eVehicles (EV)
• High capital cost due to large cost of batteries
• High operating cost because batteries need to be replaced every 2-5 years
• Limited range, especially in cold weather when battery capacity is reduced
– Battery capacity reduced by up to 1/3 if air conditioning or cabin
heating is required
• Long time to re-charge between trips
– So a small number of short trips within a day can deplete batteries
– Inhibits spontaneity of taking a long trip because of uncertainty of
charge state
• Battery powered trucks and buses are more problematic in terms of range
and cost 3
4. Alternative to the battery
• Rather than waiting for perfect battery why not change the charging
system?
• Old world thinking that vehicles must be stationary to be refueled.
– This was true when using fossil fuels
• But with electric vehicles there is no reason why they cannot be charged
while on the move
• Dynamic (on the move) charging (aka opportunity charging)
– Only 1/5 of battery capacity required compared to regular eVehicle
4
5. Dynamic Charging
• The current vision for most eVehicles is stationary charging at home or at the
office
• With dynamic mobile charging, the eVehicle can be charged as it is travelling
along the highway using power from roadside solar panels and/or windmills
– Technology already in use for public bus transportation in various cities and on
factory/warehouse systems (opportunity charging)
• eVehicle can then be used to deliver this energy as a backup or primary power
source at the home or office, rather than consuming electricity at destination
– Also known as Vehicle to Building (V2B) Power distribution
– http://www.navigantresearch.com/research/vehicle-to-building-technologies
• eVehicle then would become a competitor to the electrical grid for delivering
renewable energy.
6. Advantages of dynamic charging
• Smaller number of batteries possible -reducing capital costs
• Frequent charging of batteries prevents battery depletion and longer life
• Reduces concerns of range anxiety
• Heavier eVehicles such as trucks and buses are realistically possible
• Vehicle can be charged enroute and then used as an alternate power
source for the home or business –vehicle to grid or vehicle to business
• Eventually concepts of “packet” based power are conceivable leading to
future “Energy Internet”
6
7. Vehicle To Building (V2B) Power
• In the coming decade, the energy stored
electric vehicle batteries will increasingly be
made available to commercial buildings
• Numerous pilot projects are now underway
around the world to develop and test V2B
technologies.
• The majority of these programs are part of
larger projects that are testing microgrid and
smart grid technologies.
– http://www.navigantresearch.com/research/v
ehicle-to-building-technologies
8. Dynamic Charging Technologies
• Wireless :
– Inductive charging uses the electromagnetic field to transfer energy
between two objects in close
– Magnetic resonance uses the magnetic coupling of two objects
exchanging energy through their varying or oscillating magnetic
fields.
• Conductive Requires physical contact
– Overhead Conductive uses overhead rails or wires as in tram and
trolley wires
– In Ground Conductive embedded rails as in subways or slot car
racing
– Capacitive Umbrellas uses overhead “electrical umbrellas”
8
9. Wireless vs Conductive
• Wireless
– Pros
• No wires or physical obstructions
– Cons
• Difficult to maintain in heavy traffic and inclement weather such as ice and snow
• Concerns about impact on embedded medical devices such as pace makers from
strong magnetic fields
• Risks of fire if small pieces of metal debris or on charging pad
• Very low efficiencies
• Still experimental
• Conductive
– Pros
• In operation in several cities around the world with public buses and trams
• Well proven technology
– Cons
• Unsightly wires and infrastructure
• High voltages and currents
11. New IEEE pre-standardization for
dynamic wireless charging
• Power Transfer Industry Connections Activity.
• Motivation and goal: This IEEE Standards Association Industry
Connection Activity is related to pre--‐standardization efforts
in the domain of Electric Vehicle Wireless Power Transfer with
a particular focus on dynamic wireless charging as these
efforts address the range limitation of electric vehicles as well
as the cost aspect of the vehicle energy storage and
complement the current standardization activities of the SAE
J2954)
14. Peugeot EX1
• First all electric race car to use dynamic charging
• http://www.gizmag.com/dynamic-charging-for-electric-race-cars/19344/
15. The e-quickie
• Student project to build dynamic charged ebike
• http://www.gizmag.com/e-quickie-electric-vehicle-with-wireless-energy-
transmission/16346/
16. EU Funded Program
• Project addresses directly the technological feasibility, economic
viability and socio-environmental of dynamic on-road charging of
electric vehicles
• Advanced solutions, conceived to enable full integration in the grid
and road infrastructure within urban- and extra-urban
environments for a wide range of future electric vehicles, will be
implemented and tested.
• http://www.fabric-project.eu/
17. Korean On Line Electric Vehicle
• http://www.gizmag.com/kaist-olev-electric-vehicle/12557/
18. KAIST reveals proof of concept
dynamic charging in city park
• Batteries 1/5 the size required for normal eVehicle
• http://www.gizmag.com/kaist-proof-of-concept-olev-power-road/14454/
19. KAIST rolling out dynamic wireless
charging in buses in South Korea
• City of Gumi in South Korea, beginning
on 6 August, is providing its citizens
with OLEV public transportation
services. After the successful operation
of the two OLEV buses by the end of
this year, Gumi City plans to provide ten
more such buses by 2015.
– http://www.greencarcongress.com/2013/0
8/kaist-20130808.html
20. Manhole cover charging in NYC
• HEVO Power, which is conducting a
manhole pilot with New York University
• New York City-based HEVO is focusing on
company vehicle fleets as its first market.
• Wireless charging for fleet vehicles makes
financial sense for corporations
• Wireless charging solves issues of the
safety hazard of long cords lying around,
vandalism, damaged connectors from
incorrect use and dead vehicles because
drivers forgot to plug them in
– http://www.eenews.net/stories/1059989839
21. Brabant NL to deploy world’s first
dynamic mobile charging
• Starting in mid -2013 the demonstration project will use inductive
charging to charge vehicles as they drive a special lane in the highway.
– http://www.youtube.com/watch?v=IBTx87xiscs
– http://www.wired.com/autopia/2012/10/glowing-roads/
23. Shanghai Capabus – Capacitive
Dynamic Charging
China is experimenting with a
new form of electric bus, known
as Capabus, which runs without
continuous overhead lines (is an
autonomous vehicle) by using
power stored in large
onboard electric double-layer
capacitors (EDLCs), which are
quickly recharged whenever the
vehicle stops at any bus
stop (under so-called electric
umbrellas), and fully charged in
the terminus.
23
http://en.wikipedia.org/wiki/Capa_vehicle
24. Opbrid Fast Charging
• Opbrid Introduces New Overhead Fast-Charging System for Buses;
Leveraging Lithium Titanate (nLTO) Battery Technology for Rapid Charge
Hybrids
– http://www.greencarcongress.com/2010/10/opbrid-20101006.html
25. Flash Charging of Buses
• 15 second charging of
bus at each stop
• http://www.abb.com/cawp/seitp202/931
5e568e4c6a1f8c1257b7400302fcd.aspx
26. Volvo’s electric i-road
• Volvo research into a future where
trucks and buses continuously are
supplied with electric power without
carrying large batteries. Instead,
power lines are built into the surface
of the road. This could be a future
solution for long-distance trucks and
buses running on electricity.
– http://news.volvogroup.com/2013/05/23
/the-road-of-tomorrow-is-electric/
29. Overhead Charging Umbrellas for cars
• Overhead charging umbrellas situated
every few kilometers
• Charging umbrellas can also be located at
drive through restaurants, banks, etc.
– https://lmco.brightidea.com/ct/ct_a_view_idea
.bix?c=DDB6E8A8-81B8-4F5E-8B70-
FCB95B8821EA&idea_id=20EDD0CA-0550-
4C4A-A40C-89FE35C2F7BA
• Excellent YouTube video:
– http://goo.gl/7ecGq
31. Next generation dynamic charging
3120 – 100 meters
Surplus power to
Grid for feed in
tariff
Inverter
Ultra-capacitor
Charging rail
eVehicle with charging skeg
More details: elways.se
Roadside solar panel array
32. How does it work
• Photovoltaic (PV) solar panels charge ultra-capacitor connected to a charge rail
• When eVehicle approaches charge rail skeg underneath vehicle makes contact
with in ground charging rail
• Ultra-capacitor discharges onto onboard ultra-capacitor in eVehicle through
charging skeg located underneath vehicle
• Onboard ultra-capacitor slowly discharges to vehicle motor and batteries
– Potential demonstrated with Shanghai buses at Washington U
• When solar panel or windmill is not charging vehicles it can be used to feed power
into grid
– FIT programs will pay up to 80.5 cents/kwh
– Annual payback of 6-10%
32
33. Rough Calculations
• Electric car consumes 200-400 whr/km
• Assume only one electric car on highway every hour
– Reasonable assumption given number of eVehicles on road today
• Therefore only need 4-5 panel 150W panel array every kilometer
– Allowing for panel and capacitor inefficiencies
• As number and frequency of vehicles increases, size of and frequency
arrays will need to be increased
– 4 lane divided highway has approximately 3000 cars/hr maximum capacity
– Maximum power draw per km would be 200-400 whr/km x 3000 cars = .6 -1.2 Mw/km
– Approximately 10,000 panels required per km at peak traffic load
34. Case Study Golf Cart
For proposed Crowdsource funding
• Application:
– Golf courses, retirement community vehicles, university campus service fleet, emergency V2B backup for
critical systems such as network and computing equipment
• Assume :
– Golf course with dynamic charge rail at each hole and course distance 10km (including distance between
holes) or average .5km hole
– Typical golf cart consumption 200 wh/km. Therefore need to charge golf cart 100 wh to get to next hole
– 2 Golf carts arriving at a given hole every 7-8 minutes –9 arrivals per hour
• Solar capacity:
– 2 x 100 wh x 9 arrivals/hr = 1.8 kwh
– Assuming 150w panels = 12-15 panels average per hole
• Skeg power capacity:
– Assume golf cart stays on charging rail for one minute= 6000 watt-minutes power transfer
– Approx 6000 volts @1A or 250V @ 20A or 600V @ 10A for 60v @ 100A or 48V @125A
– Note that streetcar and subways usually operate at 600V @ 200 A & Elways claims 250 Kw power
– 48V design would eliminate need for DC/DC converters (but would not be useful for cars or trucks)
• Ultra capacitor size:
– Maxwell BCAP 3000 3wh => 33 caps required
35. System Diagram for Golf Cart System
Solar PV
array
Inverter
Regulator
Charger
DC/DC
Converter
Ultra
Capacitor
Battery
Bank
Charge Rail
600V
600V
.1 KW
48V
1.5 KW
600V
.1KW
Skeg
Battery
Bank
Motor
48V
Ultra
Capacitor
100wH
500wH
DC/DC
Converter
Solenoid
Rail
Activation
Switch
Rail De-
Activation
Switch
To grid ~
GolfCart
36. Golf Cart System Design Notes
• Golf Cart electrical systems are very simple typically with 48V circuits
– http://s985.photobucket.com/user/wizards1/media/DIAGRAMS/1980marathonwiringdiagram.png.html
• 600V design chosen for charge rail as this is the most common voltage for streetcars, subways, etc.
But based on design of charge rail and skeg other voltages and power ratings may make more sense
to reduce arcing and/or welding
• DC/DC converter pulse power requirements is .5KW over 1 minute duration assuming voltage rail is
600 V
– DC/DC converters should be bi-directional to enable future V2B and power routing applications
• Assumption that golf cart stays in contact with rail for 1 minute. May be possible to use higher
currents and voltages or longer rails
– E.g. Elways has tested their rail at 250KW continuous
• Solar array charging system has 5x capacity of individual golf cart to enable charging of several carts
in rapid succession
• Only one golf cart allowed per charge rail segment. Charge rail may be made up many segments to
allow several carts to be charged at once
• For rail and skeg design see www.elways.se
37. Why not use power from grid for
dynamic charging?
• Within 3- 4 years it is expected electricity from solar panels will be cheaper than from grid
– http://mobile.nytimes.com/2014/11/24/business/energy-environment/solar-and-wind-
energy-start-to-win-on-price-vs-conventional-fuels.html?referrer=&_r=0
• Most grid systems have large percentage of coal power
– CO2 savings are marginal
– Scant CO2 Benefit from China’s Coal-Powered Electric Cars
– http://green-broadband.blogspot.com/2011/10/scant-co2-benefit-from-chinas-
coal.html
• Grid interconnection fees, transformers, debt retirement charges, etc significantly drive up
costs
– However in some locations using solar panel to feed power to grid may allow for
additional revenue
• Grid and utility power reliability is declining with increased severe weather due to climate
change
37
38. Future vulnerability of grid
why we need an alternative for distribution of local renewable power
• “US Energy sector vulnerabilities to
climate change and extreme weather”
US Department of Energy July 2013
– http://energy.gov/sites/prod/files/20
13/07/f2/20130716-
Energy%20Sector%20Vulnerabilities
%20Report.pdf
38
Recent Sample outages
• Coal and nuclear power generating
capacity will decrease by between
4 and 16 percent in the United
States and a 6 to 19 percent
decline in Europe due to lack of
cooling water.
• http://www.reuters.com/artic
le/2012/06/04/climate-water-
energy-
idUSL3E8H41SO20120604
39. Why not use fixed static charging
stations?
• Static or fixed charging assumes infrequent charges with deep charging
cycles and large battery capacity versus dynamic charging assumes
frequent charges with small charging cycles and smaller battery capacity
• Current systems may require several hours to provide full charge
• Fixed charging stations are difficult to find and get blocked by current
charging vehicle
– Limited capability to charge multiple vehicles at the same time
because of long charging cycle
• Fixed charging stations require driver to get out of vehicle and connect
charging cable
39
40. Past concerns about using Solar Panels
for Charging EV
• Previous attempts to use solar panels for static charging of
eVehicles have not been very successful
– Very large solar arrays are required because need to recharge
depleted battery bank
– Doesn’t work at night time or on cloud days
– Design premised that each vehicle requires long deep charge cycle
• With dynamic charging only have to provide enough power to get
to next charging station
– Don’t need to design to recharge depleted batteries
– Solar panel capacity per charge therefore considerably less
• Dynamic charging also means smaller battery capacity required
which reduces vehicle weight and improves performance and cost
– Up to 1/5 battery capacity required with dynamic charging
41. Initial target markets
• Drive through banks, fast food restaurants, parking garages, universities,
golf courses, etc
– “Will that be fries with your free electrical charge?”
– Complete package of PV system on roof connected to ultra-capacitor
and charge rail
– When PV is not charging vehicles it can be making money from feed in
tariff
– Guaranteed 6-10% return even if not a single vehicle charged
• V2B for maintain critical systems at universities and businesses such as
computing and network equipment, alarm systems, etc
• Eventually deployed at toll plazas, on/off ramps, stop lights and
intersections
41
42. eVehicle energy storage and micro
grids for university
42
UCSD 2nd life battery program
University Delaware use of eVehicles for power
43. Suburban sprawl may be answer to
global warming
• Suburban lifestyle with distributed solar panels on
every house with dynamic charging of vehicles driving
by the house
• Rather than charging vehicles at home and driving to
work or shopping, vehicle is charged on the way to
and from work or shopping
• eVehicle can then be used for supplementary power
during the day at work, or during the night at home
– http://www.navigantresearch.com/research/vehicle-to-
building-technologies
• Suburban sprawl to power cities of the future
– http://www.lincoln.ac.uk/news/2013/07/745.asp
• How suburban sprawl paradoxically could be the
answer to global warming
– http://goo.gl/bXO6x
44. Research Initiatives-Energy Internet
• With Energy Internet it is assumed that many energy consuming devices power have
their own local power source e.g:
– WiFi spot with its own solar panel
– Backup battery power on computer
– Electric vehicle with its own battery bank
• Many possible virtual and real power circuits: Software Defined Power Networks
– PoE, USB, Traditional 110/220, 48V Dc,Pulse power over Cat 5
– Power routing across devices following path of virtual power circuit
• Ideal for existing intelligent networked devices like computers, switches, routers,
servers, Wifi hot spots , electric vehicle charging stations, etc
– Most of these devices have their own on board storage and so techniques such as round-robin
power distribution are possible
• Network engineers & researchers have to start thinking how to deploy networks that
are powered solely by solar power
– http://www.theglobeandmail.com/report-on-business/rob-commentary/rob-insight/an-earth-day-
look-at-the-sunny-state-of-solar/article18101176/#dashboard/follows/ …
44
45. The Future – “Energy Internet”
• eVehicle becomes more than a human transportation system –
it also becomes an energy transport system to transfer
renewable energy between dynamic charging stations
– E.g. power from under utilized charging stations can be delivered
by eVehicle to charging stations that are heavily used
– Or power can be brought to the home to provide backup power
to the home
• Dynamic charging station becomes energy packet
router/switch!
• Rather than eVehicle coming home with depleted batteries,
instead it comes home fully charged in order to provide power
to the home
• eVehicle becomes competitive alternative to the electrical grid
• http://Green-broadband.blogspot.com
45
46. “Packetized Power” with autonomous
eVehicles
• Autonomous eVehicles could be used to capture renewable power
from solar panels along highways to deliver to remote sites
• Alternative back up power source instead of diesel generators
• Autonomous vehicles could store and forward power to other
vehicles at packet power routing points
• Where practical can be also used to carry passengers – next
generation ZipCar
47. More on Energy Internet
• How suburban sprawl paradoxically could be the answer to global warming
http://goo.gl/bXO6x
• Green Investment Opportunity for small business - on the move electric car charging
http://goo.gl/c44Tv
• Dynamic Charging and Why Energy needs to be Free to reduce CO2
http://goo.gl/LQQum
• Packet Based Energy Delivery Systems
http://goo.gl/pZEdE
• Electric roads and Internet will allow coast to coast driving with no stopping and no emissions
http://goo.gl/lMmLy
48. Let’s Keep The Conversation Going
E-mail
Blogs
http://green-broadband.blogspot.com
Twitter
http://twitter.com/BillStArnaud
Bill.St.Arnaud@gmail.com
Bill St. Arnaud is a R&E Network and Green IT
consultant who works with clients on a variety
of subjects such as the next generation
research and education and Internet networks.
He also works with clients to develop practical
solutions to reduce GHG emissions such as free
broadband and electrical highways (See
http://green-broadband.blogspot.com/) .
49. E1-Assist Concept
• EV charging system that makes use of existing technology
• System comes as a trailer-like unit hauled by a truck. Private electric cars
can simply merge with the truck and accomplish any energy needs on the
go.
• http://www.environmentteam.com/concept/category/futuristic-vehicles/
50. Hybrid Transport System
• Similar concept for capacitive charging proposed in French patent
• Interesting concept of alternating polarity on single rail
– http://www.hybrid-engine-hope.com/hybrid_transport_system
51. Arizona Dynamic Charging Solar Train
• Proposed solar train between Phoenix and Tuscon
• Solar panels will power train and provide surplus power to the grid
– http://www.solarbullet.org/
52. SAE standards for wireless charging
• SAE has launched a taskforce (SAE J2954) on the “Wireless Charging of
Electric and Plug-in Electric Vehicles”—i.e. EVs and PHEVs.
• The taskforce goal is to establish performance and safety limits for
wireless power transfer for automotive applications while establishing a
minimum interoperability requirement.
• The scope of the work covers light duty passenger EVs and PHEVs and
buses. Charging locations to be considered include residential; on-road
(static and dynamic)
53. Things that need to be researched
• Design of charging whip and charging rail to ensure good contact at
reasonable high speed
• How much current, and how fast, can one ultra-capacitor discharge to
another capacitor?
• Length of charging rail and time need to charge?
• Communications system and signaling between eVehicle and dynamic
charging station
• How to handle multiple eVehicles going through charging system at the
same time?
53