PJM©2013 Resource Adequacy in PJM Adam Keech Director, Market Operations PJM.
PJM Frequency Regulation
Transcript of PJM Frequency Regulation
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PJM Frequency Regulation
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Separator Separator
Pb PbO2 PbO2
Carbon Electrode
Lead-Acid Cell Asymmetric Supercapacitor
i i1
i2
+ - - +
+ -
UltraBattery® Technology
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Market Size:
$3.5B
Motive
Battery
Market Size:
$6B
Standby
Battery
New Lead-Acid
Market
PSOC
UltraBattery
Market Size:
$15B
Starter
Battery
1881
0%
100%
State of Charge
80%
20%
1960 1980 Today
The New Dimension in a Lead Acid World
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Regulation and Variability
Management
Intracycle
Capacitor
milliseconds hours minutes seconds
UltraBattery®
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0
0.5
1
1.5
2
2.5
3
3.5
4
-4
-3
-2
-1
0
1
2
3
4
PARTIAL STATE OF CHARGE OPERATION
Regulation Signal
Resulting Battery State of Charge
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Z
88
90
92
94
96
0 20 40 60 80 100
Eff
icie
nc
y %
State of charge %
0
50
100
Ca
pa
city
Use
Comparison of Efficiency vs State of Charge Capacity over time with PSoC use
VRLA
ULTR
ULTR VRLA
0
20
40
60
80
100
Partial State of Charge Operation
Partial State of Charge Operation
UltraBattery® is more efficient across range of SOC UltraBattery ® can turn over much more energy during its life
Asymmetric Supercapacitor
UltraBattery®
Separator Separator
Pb PbO2 PbO2
Carbon Electrode
Lead-Acid Cell
i i1
i2
+ - - +
+ -
Partial State of Energy Storage
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Regulation Services
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-3
-2
-1
0
1
2
3
4
5
6
Energy Store - PJM Regulation (5 Days) – Ordinary Regulation Signal
-4
-3
-2
-1
0
1
2
3
4
Energy Store - PJM Regulation (5 Days) – Fast Response Regulation Signal
SOC(MWh)
Rest Pwr (MW)
Batt Pwr (MW)
Fast Response Regulation Signal
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BESS Master Controller
4 x UltraBattery® strings
900 kW Inverter
3.6 MW BES System for 3MW of
Frequency Regulation
3 MW Frequency
Regulation Installed
at EPM
13.8 kV
PJM Frequency Regulation Project
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Master Controller
Subsystem Controller
Storage Block Controller
SCADA interface, DNP3 or modbus over TCP/IP
(Requested Power) (State of charge, Status)
East Penn UltraBattery Cells
Battery Monitoring Modules (BMM) 32 cells per BMM
and Monitoring System – PJM Frequency Regulation Project
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0
50
100
Variable
Renewable
Power
Renewable Output
Using UltraBattery® Technology
Energy Store
0
50
100
Partial State of Charge Operation
0
50
100
0
50
100
Smoothed Output
5 Minute Power Variability
Renewable
Smoothed
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Solar Smoothing and Shifting (New Mexico, USA)
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Wind Smoothing (New South Wales, Australia)
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Ecoult &
UltraBattery®
Ecoult UBer™
Storage Solution
Recycling Safe
East Penn
Manufacturing
The Energy Storage Solution of Choice