large scale system monitoring of regenesys & nas battery … · 2011-04-15 · battery...
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Large Scale System Monitoring of Regenesys & NAS Battery Systems TM
John D. BoyesSandia National Laboratories
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Agenda
TVA Regenesys Flow BatteryDemonstration
TVA Regenesys Flow BatteryDemonstration
Description
• 120 MWh Regenesys electrical energy storage system
• Peak Shaving – 12 MW for 10 hours
• Reliability – will maintain 24 MWh capacity to support 6MW critical load for 4 hours
• TVA power plant, in Columbus, MS
TVA Regenesys Flow BatteryDemonstration
Objective
• Reduce need to add power lines
• Less environmental impact than new power plant
• Improve system reliability and PQ
TVA Regenesys Flow BatteryDemonstration
• Developed for large scale utility applications
• Large storage capacity
• Inexpensive electrolyte materials
• Well-developed production system
• Supports goals of National Energy Policy
TVA Regenesys Flow BatteryDemonstration
Monitoring Objectives
• Manage the Data Collection
• Conduct the Data Analysis
• Conduct the Economic Analysis
• Dissemination of Data
TVA Regenesys Flow BatteryDemonstration
Modes of Testing
• UPS
• Load Sharing
• Peak Shaving
• Arbitrage
• Power Conditioning (Customer Point)
• Ancillary Power (Grid Support)
TVA Regenesys Flow BatteryDemonstration
Status• Signed Non-Disclosure Agreement (NDA)
• An MOU between SNL and TVA, signed in August.
• Federal Agency Order (FAO) to TVA issued in September
• Electrotek selected to perform analysis
• Joe Hoagland is TVA’s technical contact
TVA Regenesys Flow BatteryDemonstration
TVA Regenesys Flow BatteryDemonstration
AEP NAS Battery DemonstrationTM
PartnersAEP EmTech, LLC.Tokyo Electric Power Co.NGK Insulators Ltd.ABB Inc.DOE/ Sandia National LaboratoriesEPRI
Data Analysis of the AEP NAS Battery Demonstration
TM
TM
AEP NAS Battery Demonstration TM
Description
• 2 NGK Insulators Ltd., NASTM battery modules
• Integrated With PCS for PQ/PS Device
• 300 kW of PQ protection for 30 seconds
• 100 kW of peak shaving capacity for 7 hours
• AEP site, in Gahanna OH.
AEP NAS Battery DemonstrationTM
Objective
• Evaluate System Performance Over 2 Years
• Validate Operating Characteristics in U.S. Application
• Gain Familiarity & Experience of NAS Technology
• Develop Economic Models for Value-Added Applications
AEP NAS Battery DemonstrationTM
• Large capacity
• Compactness
• High efficiency
• Long-term durability
• Preservation of the environment
Data Analysis of the AEP NAS Battery Demonstration
TM
Monitoring Objectives
• Data Collection
• Conduct the Data Analysis
• Conduct the Economic Analysis
• Dissemination of Data
NAS PCS Monitoring PointsNAS PCS Monitoring Points13.8kV 480V
Controlcircuit
Heaters
NaS Battery
kWkWhVdcIdcAht
kWkWhVsIst
AC
DC
kWkWh
t
kWkWh
VblocksIdcAht
PQ(when)
PQmonitoring
kWkWhVoIo
KV/2meter
KV/2meter
kWkWhVinIin
kWkWhVdcIdc
VblocksT
Aht
From NGK
8
2
4
31
5
7
6
kWkWhVblIbl
C1
C3
C2
AEPLoadBank
9IR
M
StaticSwitch
480V 208V BuildingLoad
MIS (SW)BIB (CB)
CB-MBP (N.O.)
PCC
480/200KV/2meter
TM
Data Analysis of the AEP NAS Battery Demonstration
TM
Status• NDA
• MOU signed on Sept. 20, 2002
• AEP technical contacts - Dave Nichols & Harold Lampke
• NAS Information Center Established
• http://www.aeptechcentral.com/
Basic NAS Energy Storage Module TM
AEP NAS Battery DemonstrationTM
TVA Regenesys Flow BatteryDemonstration - Data Collection
• Wh (AC and DC) lifetime accumulation• State-of-Charge• Station and System power• DC Current• Thermal Loading• Duty cycle count• Power factor monitoring• Electrolyte management system loading• Water usage• Charge/Discharge rates
TVA Regenesys Flow BatteryDemonstration
AEP NAS Battery DemonstrationTM
• Factory Acceptance Tests Performed• Used 500 kW Resistive Load-bank• Battery Charging Mode• PS Mode• PQ Mode• PQ Mode During Battery Charging• PQ Mode During Peak Shaving• PQ Mode During Standby After PS Discharge• PQ Mode During Standby After Charge• Motor Start/Overload
Data Analysis of the AEP NAS Battery Demonstration
Electrical Integration With Building LoadElectrical Integration With Building Load
TM
NAS BATTERY/PCS SYSTEM INSTRUMENTATION SETUPSeptember 16 - 20, 2002
Bldg.
CB BIB
CB MBP
CB 2CB 1 SS 1
I PCSAPh A
T A1 I PCSBPh A
T B1
BAT A1 BAT B1
SW MIS
Bldg.
Bldg.
Bldg.
750 kVA
RevPwrXdcr
300 kVA
CB 3
V1/1
INV A1 INV B1
V1/1
800/1 (ABB)
10/1 (Pearson)
I source
80/1 (Metering)10/1 (Pearson)
1000/1 (Fluke)1000/1 (Fluke)
KV2
V
500/1 (Tek Probe)500/1 (Tek Probe)
V
KV2
I Load
100/1(LEM System)
100/1(LEM System)
V source
V battery A
I battery A
V battery B
I battery B
V Load
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