Håkan Johansson CEO, eQUALS Power AB, Sweden€¦ · Barriers: commercial, legislations and others...
Transcript of Håkan Johansson CEO, eQUALS Power AB, Sweden€¦ · Barriers: commercial, legislations and others...
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Smart grid case study
Håkan Johansson
CEO, eQUALS Power AB, Sweden
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Source to socket approach (holistic view), turning
data into information and manage required flexibility
How to optimize output from current energy mix
(energy efficiency)
- Improve performance of existing system,
technically and commercially
- Predictions on future energy use? (long and short
term)
- In SE, Supplier, “User” and Academia work together
- Understand power vs energy
- Change in energy mix?
Source to socket
Save energy by using more electricity!
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WW power systems investments: transmission 10%,
Gen 40%, “the rest last 5 km”
Further develop energy system in a sustainable
way (renewables…)
Bottlenecks: taxes, laws, regulations etc. (technology,
the easy part)
Barriers: commercial, legislations and others
Promoting investments by business model, incentives
etc.
New jobs could be created on a scale that cannot be
ignored?
Source to socket
Technology becomes more and more sophisticated and important, at the same, time less and less visible.
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Source to socket
Implementation of Smart Grid/Smart
City/Digitalization/AI road map e.g.
- Ambitions short term and long term?
- Digitalization e.g. digital s/s with sensors, modelling
data (IEC 61850) ……
- Zone concepts and micro grids?
- RTE Ringo “virtual power line” by battery
storage, starting 2020
- Cyber Security, (behavioral biometrics…..)
- “Reduced” maintenance & asset health
BAT Best Available Technology**Stockholm Royal Seaport
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Smart Grid / Smart City. Interaction between grid components.
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TODAY’S ENERGY CHALLENGECUT LINK BETWEEN GROWTH, ENERGY USE AND EMISSIONS
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Development areasPotential drivers
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Development areasPotential drivers
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Supporting SW Business Models Standards Energy Efficiency
Future Grid, a puzzle based on:an evolution challenging the entire power system
Connecting large scale renewables
Increased transfercapacity
Improved power quality
Improved control of thedistribution
system
Charginginfrastructure
E-mobility and shipto shore
Improvedcontrol and security
of the network
Increased need of balancing
power
ActiveConsumers and
micro generation
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Up to 80 percent losses along the energy value chainSome losses inherent to the generation of electricityNetwork losses in EU are an estimated 50 TWh, the annual consumption of
13 million households*
Efficient generation, transport and better utilization of electricity
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Solar resource Global supply and consumption comparisons
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WW Grid Structure
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Disconnector Circuit Breaker DisconnectorConventional current
measurement
Disconnecting circuit breaker
Fiber-optic current sensor
1. Reduce needed space with DCB, Disconnecting Circuit Breaker
2. Minimize the footprint even further with integrated optical CT
DCB+FOCS
Digital substation offering
Reduced space, installation time, maintenance costs andoutage time
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Transfer of electric power (AC)
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Grid interconnections, example EuropeBalancing renewables, energy storage……
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Food for thought: Radius of 1000,
2000, 3000 kmThink 500, 800 and 1100 kV DC
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A single pair of latest 640kV HVDC extruded cable will be able to transmit up to 3.4 GW of power from renewable energy sources
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Thermal
Stability
Normal Operation
RUNNING CLOSER TO PHYSICAL LIMITS
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Stability limit
Normal Operation
Margin
Margin
RUNNING CLOSER TO PHYSICAL LIMITS
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Thermal limit
Stability limit
Normal Operation
Margin
Margin
RUNNING CLOSER TO PHYSICAL LIMITS
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Future challengesRecruitment of young engineers for the power industry
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Stockholm Royal Seaport
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Large scalewindpower
E-mobilitySystemControl
Energystorage
Gridautomation
Activecustomers
Large scalewindpower
Smartsubstations
Develop and test Smart Grid solutions to realize:- Large scale integration of wind
- Active consumers participation
- Reliable and secure grid operation
- Smart Grid System Control
- Grid Automation
- Smart Substations
- Energy Storage
- Power exchange with mainland by HVDC interconnection
- …and more
Smart Grid Gotland
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Bus Station
Bus Rural
V o l ta g e L e ve ls
1 3 2 , k V1 1 , k V0 ,4 k V
Bus SS
Bus 130 kV
Bus (5)
Bus (4)
Bus (3) Bus (2)
Bus (1)
Load Rest Station
Charging Station
5 x
800 k
V..
5 x
800 k
V..
Load Rest
Feeder
to r
ura
lF
eeder
to r
ura
l
Cable
(1)
Cable
(1)
Subtransmission Network
Tra
fo 4
0 M
VA
Tra
fo 4
0 M
VA
Load (1)
Cable (5)Cable (5)
Cable (4)Cable (4)
Cable (3)Cable (3)
Load (5)
Load (4)
Load (3) Load (2)
Cable (2)Cable (2)
DIg
SIL
EN
T
Enlarging the focus - understand the systemThis example, E-mobility
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BUS CHARGING AT VOLVO IN GOTHENBURG, SWEDENREVERSED PANTOGRAPH
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SC
SC
geographicalmap
electricalmap
Hydroelectric generation up
North and Consumption in
the South.
If no SC’s 12 systems
required!
With SC’s Only 8
systems required!
FACTS – Series Compensation Why SC – Example Sweden
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Right-of-way of overhead lineExample of large AC transmission corridor
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Right-of-way of overhead lineWith FACTS - less lines required for the same power transmitted
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Right-of-way of overhead lineFACTS saves environment, forest and land!
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Right-of-way of overhead lineDC line transmitting as much power requires fewer towers
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Right-of-way of overhead lineHVDC saves environment, forest and land!
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Right-of-way of overhead lineHVDC Light cables
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Time
Emerging phase
AMI integration with operational system
Distribution Automation
Integration electric vehicles
Residential/Community Energy storage
Mature phaseActive houses
Demand Response
Environmental and energy efficient equipments
HVDC Classic
(FACTS) including SVC and STATCOM
Substation Automation with IEC61850
Today’sbusiness
SVC with Energy Storage
Network Management
Building and house control
Smart Grid/Smart City
Initial phase
Smart Meters for billing
Integration large scale wind/solar farms
Pilots for energy storage, active houses, electric vehicles,demand response, distribution automation, AMI integration
Shore to ship power
SG / SC Roadmap
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- Smart Grid is the evaluation of today's systems and the enabler for a more sustainable energy system with a more consumer driven electricity market which includes:
- integration of renewable energy sources, efficient energy consumption, AMI etc.
- Both transmission and distribution- both automation/IT and power devices to handle flexibility- both technology, business models and regulatory/market
frameworks- New political incentives, directives, laws etc. to reduce climate footprint- Smart Grid is still a learning process. An important arena to develop and demonstrate solutions for the future power system together with all stake holders including authorities and end users. Implementation started! - Most of the components and systems needed exists today but new standards must be developed- Smart Grid creates new jobs and attract new competences* - Everyone has to reconsider the individual energy consumption behavior- BAT
CONCLUSIONS
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