Infrastructure Seminar | B9 Energy | David Surplus | Case Study
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Transcript of Infrastructure Seminar | B9 Energy | David Surplus | Case Study
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David Surplus OBE, B9 Energy Storage Ltd
CAES Demo presentation toINI Infrastructure Seminar
2/8/2016, Belfast
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Table of contents• Background to B9 Energy• MATRIX Recommendation• About EU Horizon 2020 Project STORY• Distribution Network Constraint• Location of CAES• CAES control strategy overview• Curtailment and constraint• Replication at similar sub-stations• 110kV constraint alleviation• Typical compression equipment• Legacy arrangements
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Background to B9 EnergyWind farms in Northern Ireland developed by B9 Energy
Also in the Republic of Ireland:• Cark I&II Co.Donegal• Milane Hill
Co Cork• Taurbeg Co Cork• Beenageeha Co Kerry
And Canada:• Kettles Kill
Alberta
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Background to B9 EnergyAD and landfill gas projects developed by B9 Energy
Landfill Gas Utilisation Sites:Craigahullier 0.8MWCraigmore 0.8MWBallymacvea 0.8MWGreen Road 0.8MWDrumnakelly 0.635MWCulmore 0.635North Kerry 0.3MW
Granville AD – 3MW
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Sustainable Energy Horizon Study recommendations:
1. Increased interconnection (N/S and E/W)2. Energy Storage3. Demand Side Management4. All working as part of an intelligent energy system
Better use can be made of the existing grid system through....
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About EU Horizon 2020 Project STORY
www.horizon2020-story.eu
02.05.2023 6
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Distribution Network ConstraintMap shows grid congestion in Northern Ireland resulting in:• High cost of connection• Generation capacity constraints
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Location of CAESLecale Area
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33kV network33kV/11kV transformer11kV network (monitored)Solar PVWind turbineTidal turbine300 houses loadFish Factory loadSTORY CAES
Bishopscourt CentralH2020 STORY CAES
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33/11kV substation – 11kV busbar
CAES Location remote from sub-station
Distance along 11kV circuit
Voltage
CAES in Generation
mode
L L L
LL
L
L L
Low Load condition
High Loadcondition
Large effect on voltage
Low effect on voltage
11kV
Reason for locating CAES at sub-station
Location of CAES
Re-locate CAES to sub-station
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G
GG G
33 kV
11 kV
CAES Control Strategy /Task 3.3.3“Load on Demand“
L
L
LL
L
L
L
L
L
L L
L
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G
GG G
33 kV
11 kV
G
L
LIFO Constrained off
Reverse power trigger
CAES
Dispatch from DNO
CAES Control Strategy /Task 3.3.3“Load on Demand“
L
L
L
L
L
L
L
L
L
L
L
L
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G
GG G
33 kV
11 kV
G
L
Reverse power trigger
CAES
Dispatch from DNO
Overload trigger
CAES Control Strategy /Task 3.3.3“Load on Demand“
L
L
L
L
L
L
L
L
L
L
L
LL L
L L L L
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G
GG G
33 kV
11 kV
G
L
CAES
Dispatch from DNO
Overload trigger
CAES Control Strategy /Task 3.3.3“Generation on Demand“
L
L
L
L
L
L
L
L
L
L
L
LL L
L L L L
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Load on demand for wind
Load on demand for PV
Load to assist DNO’s Managed Connections
Generation on demand to avoid grid upgrades
Peak-Shaving Generation
Demand reduction and standby generation
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Curtailment and Grid ConstraintsAnnual MWh losses in Ireland due to curtailment and grid constraints in 2013
Solutions are: Local “load on demand” for reverse power flow constraint, or
local “generation on demand” for thermal overloading constraint
Solution is: General “load on demand”
MW
h lo
st
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CAES Control Strategy /Task 3.3.3CAES control strategy overview
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CAES Internal control system
CAES Plant
Compressor Expander
C E
Real-time CAES
External control system
Day ahead Simulator
with predictive algorithms
G59
• Wind forecast• Solar forecast• Tidal forecast• Ambient temperature
forecast• Historical load profiles
• Time of day• Ambient temperature• 11kV line voltage• SONI dispatch• DSU dispatch• DSO dispatch• Load on demand• NIE 33kV intertrip
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Real world challenge:Stakeholder communication and collaboration
02.05.2023 18
• 11kV line voltage
• SONI dispatch
• DSU dispatch
• DSO dispatch
• Load on demand
• NIE 33kV intertrip
Statutory limits
Strategic Network Operation
Protection Regime
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Lecale area
Replication at similar sub-stations
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70 x Rural 33/11kV sub-stations
Replication at similar sub-stations
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Helps with 110kV constraint alleviation
110kV Line110kV sub-station275kV Line275kV sub-station
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Typical compression equipment
Ariel JGA/4 Reciprocating Compressor
Length 1.55m, Width 2.03 m, Average weight 2130 kg, Max speed 1800 rpm, Max power 418 kW
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Legacy arrangement
• CAES demonstration project will terminate in 2020• The book value will have depreciated to zero • Local Charity CEMES set up to provide legacy arrangement• CEMES = The Centre for Excellence in Microgrids & Energy
Storage
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