Utility DSO Perspectivemydocs.epri.com/docs/publicmeetingmaterials/1112...B. Use of voltaggge...
Transcript of Utility DSO Perspectivemydocs.epri.com/docs/publicmeetingmaterials/1112...B. Use of voltaggge...
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Utility DSO Perspective
B lk S t R li bilitB lk S t R li bilitBulk System Reliability Bulk System Reliability AssessmentsAssessments
Teresa FallonTeresa Fallon
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Outline Ireland’s Electricity Structure
Collaborative Initiatives
D d R & P t ti lDemand Resources & Potentials
How to Harness the potential
2
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Irish electricity IndustryIrish electricity IndustryOther Generators
El t i it
InterconnectorsTransmission
SystemOwner
DistributionSystem Owner
/ Operator
2.3 millioncustomers
ElectricitySuppliers
Market
OthersESB Generation
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Distributed Resources
Embedded Wind/PV
Smart Metering Gateway
Flexible Loads EV’s Heat/Water
Smart Distribution Circuits
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Wind Connections MW
System Demand 2020
3990
System Demand 2020
1460 MW1460 MW 1260
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ESBN Wind Demonstration ProjectESBN Wind Demonstration Project
A. Exploration of Voltage / Var control on Distribution
jj
control on Distribution connected windfarms
B. Use of voltage regulators to g glimit voltage rise
C. Single transformer cluster stations for windfarms
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Distributed Resources
Embedded Wind/PV
Smart Metering Gateway
Flexible Loads EV’s Heat/Water
Smart Distribution Circuits
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Smart Meter
Measurement Communications
OperationsTechnical
88
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National Smart Meter Customer Behaviour Trial
99
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Typical daily usage change observed 4%
2%
0%
-2%
-4%
-6%
-8%
-10%
Overall Peak Day Night
-2.52%* -8.81%* -2.57%* 0.12%*
00:3
0
01:3
0
02:3
0
03:3
0
04:3
0
05:3
0
06:3
0
07:3
0
08:3
0
09:3
0
10:3
0
11:3
0
12:3
0
13:3
0
14:3
0
15:3
0
16:3
0
17:3
0
17:3
0
19:3
0
20:3
0
21:3
0
22:3
0
23:3
0
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Distributed Resources
Embedded Wind/PV
Smart Metering Gateway
Flexible Loads EV’s Heat/Water
Smart Distribution Circuits
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Minister for Energy with CEO ESB, with positions for national plan for 3,500 EV Charging Points by 20111500 On-Street500 O St eet2000 Home 60 Fast charge units
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Impact on load Profile7000
6500
6000
5500
nd (M
W)
Chargingduring
low demand5000
4500
4000
Dem
a low demand
4000
3500
00:00 06:00 12:00 18:00
Electrical demand on an average day in 2020
Load without EV’s Load with controlled charging of 250,000 vehicles
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Time series analysis
120
140
30% EVs%
80
100
man
d (kW) 15% EVs
Base case
40
60
Power Dem
0
20
P
12:00 15:00 18:00 21:00 00:00 03:00 06:00 09:00 12:00Time (hr:mm) 14
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M l i l B fi f A i D dMultiple Benefits of Active Demand Supplier
Follow SMP – minimise wholesale costs Offer choice to customer Customer Engagement and Relationship building
Distribution Network Operator Manage Local peaks reducing network investment Manage Local peaks – reducing network investment Maximise use Renewable integration through Wind/embedded generator Twinning Reduce network losses through maximum use of Embedded generation and smoothing local
demand profile Transmission System Operator
Management of Constraints Management of generation requirements System reserve
Customer! More choice and control More choice and control Lower wholesale costs Lower Network Costs Direct Savings for Management
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C fli tConflicts can occurScenario TSO DSO Supplierpp
Low Market Price, Windy Day Transmission ConstraintNo DSO ConstraintNo DSO ConstraintHigh Market Price, Windy Day DSO Constraint without loadGeneration reserve tightGeneration reserve tightLow Market Price, No Wind DSO Constraint load constraintNo Transmission ConstraintNo Transmission Constraint
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Distributed Resources
Embedded Wind/PV
Smart Metering Gateway
Flexible Loads EV’s Heat/Water
Smart Distribution Circuits
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Substationsmonitored and
t ll d
Centralised Distribution SystemSCADA Control
controlledby DCCs
MV DAMV DA38kV38kV220kV
Commands / Month from DCC’sCommands / Month from DCC’s
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Smart Green CircuitSmart Green Circuit
Operational/ContinuityOperational/Continuity Efficiency Improvements
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Smart Green CircuitsDungloe
Smart Green CircuitsThree Rural Islands being
Assessed Kerry – Gurranbaney Dungloe Kilcolgan
Urban Conservation Voltage S llgReduction Trial Sallynoggin Kilcolgan
Sallynogg
Kerry, Gurranbaney
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Operational/ Continuity Technologies
Loop Automation
T iTripsaver
FPIASC
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Efficiency Demonstrations Embedded Wind – Dynamic Network Configuration Embedded Wind Dynamic Network Configuration
Closed Loop /Dynamic Configuration
20kV Conversion
Low Impedance Transformers
Conservation Voltage Reduction
Var Control
High Power Factor – 97%
LV voltage optimisation – Micro-planet
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Leverage these Resources at Bulk Level Distribution System – Clear Targets
Continuity CMI/CML Quality EN 60160 Efficiency Continuity CMI/CML, Quality EN 60160, Efficiency ……… Distribution System Advancements
Expand OMS – DMS – Real times Efficiency Optimisation as well as Continuity Self Healing BULK SYSTEM RELIABILITY?Continuity – Self Healing – BULK SYSTEM RELIABILITY?
Increase Visualisation Control ESB Networks Remote Network Control– 1400 -> 13,000
Integrate Smart Meters to Operations in practical way Integrate Smart Meters to Operations in practical way Voltage Conversion
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Work Together TSO – Dispatch >5MW
200MW Flexible Load Not leveraged by DSO 200MW Flexible Load – Not leveraged by DSO
Clear Identification of requirements from TSO’s Reserve tiers for Flexible load parameters Benefit of voltage support Interruptible loadsp…. Define the business case
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Thank YouThank You
Any Questions?Any Questions?