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Princeton Power Systems, Inc.
Battery Energy Storage for Microgrids
Copyright 2013 Princeton Power Systems, Inc. PAGE 2
Overview of Presentation
Who is PPS (Princeton Power Systems)
Products and Experience
Microgrid Storage – Converter Requirements
Battery Technology for Storage
PPS Products for Storage
Application Examples
Copyright 2013 Princeton Power Systems, Inc. PAGE 3
Who We Are
Microgrids Energy Security, Off-grid “Island”
Power, Hybrid Solar/Wind/Diesel, Grid ancillary services
Electric Vehicle Charging Infrastructure Fast-Charging (20 minutes/200 miles), Zero-emission solar charging
Energy Storage Systems Containerized battery
systems with Advanced batteries from top-tier manufacturers
PPS is a leading global designer and manufacturer of technology products for microgrids, electric vehicle (EV) charging, and energy storage, with built-in functions for Smart Grid services.
Clean Power, Made Simple.
Copyright 2013 Princeton Power Systems, Inc. PAGE 4
Products & Experience
Power Converter Products
Core PPS product line, over hundred deployed
10 - 250 kW units with 2,3,4 power source inputs
Electric Vehicle Charging Stations
Fast-charge vehicles & grid services
Containerized Energy Storage Systems
Converters integrated with advanced batteries
Key Inverter Features Off-grid & grid-tied with UL and CE listings Multi-port for flexible, configurable systems Bi-directional, advanced battery compatible Smart-Grid and Microgrid functions built-in
Key EV Charge Features DC Fast-charging (200 miles in 20 minutes) Bi-directional, provide grid-services Solar-integrated zero-emission charging
Key ESS Features Top-tier advanced batteries Microgrid & Grid Service functions Renewable-firming functions built-in
Copyright 2013 Princeton Power Systems, Inc. PAGE 5
Microgrid Storage – Converter Requirements
Inverter Simulates AC Generator Grid Forming
Power/Frequency Droop (Mechanical Inertia Simulation)
Voltage/Var Droop
600VDC
280VDC
AutonomousVoltage/Frequency
Droop
AC Bus
Compatible with wide input voltage range
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Make Chemistry Model Characteristic
Toshiba SCiB (Lithium-Titanate)
FM01202CCA01A
324-576VDC 12KWH 38KW
Enerdel Hard Carbon/Mixed
Oxide, Li-Ion SE100-590 100KWH, 100KW
360-590 VDC
GE Durathon Sodium-Nickel E620 432-575VDC 20KWH
Saft Graphite based Anode, Nickel Oxide Cathode, Carbonate
LiPF6
Synerion 24M 357-476VDC 33KWH 102KW
Samsung Intercalation Graphite Anode, Lithiated
Metal Oxide, Li-Ion
SDI 384-524VDC 113KWH 100KW
Kokam Lithium Polymer KRO 371-531VDC 105KWH 100KW
Panasonic Lithium-Ion LC-T1270 348-588VDC 36KWH 109KW
Copyright 2013 Princeton Power Systems, Inc. PAGE 7
Power Electronics Products
Grid-Tied Inverter (GTIB)
Demand Response Inverter (DRI)
Battery-InteGrated Inverter (BIGI)
2-Terminal Power System 30 & 100KVA Models
4-Terminal Power System 10 & 100KVA Models
Multi-DC Power System 250KVA Model
DRI100
GTIB100
DRI10
Copyright 2013 Princeton Power Systems, Inc. PAGE 8
Technical Details: 100KVA, 208/480V, 60Hz 82KWH LiIon On Grid OR Microgrid (Current Source / Grid Forming)
AC Bus
GRID/GENERATOR
MICROGRID
Battery
Copyright 2013 Princeton Power Systems, Inc. PAGE 9
100KVA, 82KWH Energy Storage Solution
Challenges: • Integration with Li-Ion BMS • Susceptibility of BMS to
dVGND/dt of transfomerless systems
• Transport • Weight and Size
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San Diego Zoo
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System Size: 2MWh / 1MW, 480 Vac, 20 kW PV, 10kW Wind
Components: PPS GTIB-100 Inverters, multiple battery types, 4 x 45ft ISO Containers, PV, wind, Power Pyramid Control Software
EaglePicher Industrial Peak Shaver
Copyright 2013 Princeton Power Systems, Inc. PAGE 15
World-Class Projects
Real Application:
Alcatraz Island Microgrid
Scripps Ranch San Diego
LaGuardia Airport AVIS EV Chargers
San Diego Zoo Microgrid
PJM Frequency Regulation Resource(s)
Many other major customers and projects
Copyright 2013 Princeton Power Systems, Inc. PAGE 16
Product Development Partners
PPS’ Technology development has been largely financed by US DOE and DoD programs