gen set eliminator system
TRANSCRIPT
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03 May 2011 NDIA Power Expo
Gen Set Eliminator System
NDIA Power Expo Conf
03 May 2011
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03 May 2011 NDIA Power Expo
Gen Set Eliminator Definition
• Eliminates the need for a second (back-up) Generator Set
– Optimizes the function of a single Gen Set
– Takes advantage of energy storage
– Allows for power to be available when the Gen Set is off
– Optimizes energy extracted from fuel
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03 May 2011 NDIA Power Expo
Present System Configurations
• Diesel gen-sets of various power levels
– Present systems grown organically
– Sized for peak power requirements but predominately
run at low output
– Low output means lowest efficiency
– Always must be on
– Works satisfactorily, but at high cost
– Subject to high maintenance
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03 May 2011 NDIA Power Expo 4
Current System Problems
• Cost of energy is too high
• Supplying energy risks personnel lives
• Delivered Diesel fuel costs
• Local Electricity unreliable / non-existent
• Power Outages
• Lack of power source integration
• Power quality variability
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03 May 2011 NDIA Power Expo 5
Desired Solutions
• Decouple Energy Generation from Use
• Reduce fuel consumption
• Utilize local and renewable sources
• Increase flexibility
• Reduce audible and thermal footprints
• Increase reliability
• Lighten load
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03 May 2011 NDIA Power Expo 6
Path Forward
• Increase efficiency
• Optimize
• Incorporate best methods
• Energy optimization with Storage
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03 May 2011 NDIA Power Expo
Typical Diesel Gen-Set
Diesel Generator Efficiency vrs. Load
20.0
22.0
24.0
26.0
28.0
30.0
32.0
34.0
0 20 40 60 80 100 120
Load (% of Rating)
Eff
icie
ncy (
%)
Diesel Gen-sets conversion rates of 25-33% are typical and are typically run at a low output and therefore their lowest efficiency, equates to highest fuel consumption per unit energy extracted
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03 May 2011 NDIA Power Expo
Energy Storage Operating Scenario
• Existing 1st Gen Set runs at higher efficiency
• Existing Gen Set runs when needed to meet load
and to charge battery
• Existing Gen Set is shut off – and the energy is
drawn from the battery
•Existing Gen Set is re-started and run as needed
again to meet load / charge battery
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03 May 2011 NDIA Power Expo
Energy Storage Benefits
• Reduces Cost – 20 - 33% less Fuel consumption
• Integrates multiple power sources – Local power
– Solar / Wind / FC
– Intelligently controls power
• Quality – Eliminates switching power loss
– Improves power quality
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03 May 2011 NDIA Power Expo
Energy Optimization with Storage
Towable “Gen Set Eliminator” Eliminates need for 2nd Gen Set
Existing Trailer and Gen Set Gen Set Eliminator System
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03 May 2011 NDIA Power Expo
Preliminary Specifications
• Output Voltage (Typical) 208/120 VAC
• Master/Slave Capable Yes
• Time on Battery (At Average Power) 3+ Hours
• Maximum Input Power 150KW
• Maximum Gen-Set Bypass 500KW
• Input Voltage (Nominal) 208 VAC
• Input Frequency 47-63Hz
• Temperature of Operations -20 to +60C
• Environmental Mil-Std 810F
• Onsite Communications Integrated
• Monitor/Control channels 80
• Expandable Yes
• Input/Output Efficiency (Double Conversion) >80% Typical
Subject to Change
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03 May 2011 NDIA Power Expo
Configuration Options
•Trailer mounted systems, with or without renewables
•Skid mounted systems, for Independent Energy
•Solar Panels
•Invertor/Rectifier
•GenSet
•Batteries
•Battery development specific to application
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03 May 2011 NDIA Power Expo
Scalability of Energy Storage Systems
Ruggedized Power Module shown with integrated Solar Panels and Wind Turbines
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03 May 2011 NDIA Power Expo
Sources Loads
Critica
l 1
Critica
l 2
Critica
l 3
Critica
l 4
Critica
l 5
Critica
l 6
Critica
l 7
Prim
ary
7
Prim
ary
1
Prim
ary
6
Prim
ary
2
Prim
ary
4
Prim
ary
5
Prim
ary
3
Se
co
nd
ary
7
Se
co
nd
ary
6
Se
co
nd
ary
1
Se
co
nd
ary
2
Se
co
nd
ary
5
Se
co
nd
ary
4
Se
co
nd
ary
3Storage
Gen-Set A
Gen-Set B
Local AC
Wind A
Wind B
Solar A
WindC
Solar B
Fuel Cell A
Fuel Cell B
TBD
TBD
SOC TAPL
Temps Charge
Medical Tent
Guard Lighting
Comms Tent
Mess Tent
A/C Tents 1-5
Software Monitoring
Touch Screen Interface
System Detail - Programmable
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03 May 2011 NDIA Power Expo
Schematic Details
Wind Power
Controller #1
Wind Power
Controller #2
Wind Power
Controller #N
***
***
AC Power #1
AC Power #N
AC Power #2
***
Solar Power
Controller #1
Solar Power
Controller #2
Solar Power
Controller #N
Pb-Acid Battery
Capacitive
Storage
AC
Po
we
r
Dis
trib
utio
n
AC
Ou
tpu
ts
Existing
Gen-Set
Smaller
Gen-Set
Local AC
X-fer
Switch
AC Power
Inverter
X-fer
Switch
System Monitor & Control
Charger/
Controller
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03 May 2011 NDIA Power Expo
Standard Li-Ion Cobalt Oxide
Cylindrical 18650 cell before closing
Batteries Type used for Storage
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03 May 2011 NDIA Power Expo
Design Basic Cell String (10P)
Shown With Integrated Monitoring and
Control Circuitry Designed and Assembled
by Ultralife
Basic Brick 7S 10P
BRICK=
(70 Cells)
Li-Ion Battery – Building Blocks
Based on readily available mass produced Li-ion Cobalt Technology
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03 May 2011 NDIA Power Expo
Cell Arrays (9S4P 26650 )
Testing and Qualification
Circuit Board Design
Custom Enclosures Full Diagnostic and
Qualification Capability
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03 May 2011 NDIA Power Expo
Battery Configuration Options
Ultralife
36 volt, 30Amp, 24Ahr, 860 Whr
Cells: Panasonic, 18650, 2.4Ah
Pack: 10S10P packs
Ultralife
BB-2590 Li-Ion Battery
200 W-hrs
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03 May 2011 NDIA Power Expo
Energy Storage Advantages
– Power monitoring & control • Power generation management
– Reduce diesel on time through energy storage
– (Run diesel at higher efficiency for short time then shut off)
– Select / Use / Store Renewable Energy Sources
• Consumption management – Selectively shut down various users
– Power system monitored and managed
– Existing system remains available
– High power quality
– Reduced power outages
– Alternative energy source integrated
– Consolidated alternative energy sources • Standardized system configuration
• Supply Power with no Noise
– Double conversion for power quality
– Battery backup eliminates power loss
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03 May 2011 NDIA Power Expo
• Reduction in Diesel Fuel consumption of 25-33% over a
standard Diesel Gen-Set operated independently
• Fewer power interruptions - Built in UPS.
• Reduced Thermal and Acoustic Footprint.
• Silent operations with Electrical power intact.
• Reduced Operating Hours on Diesel Gen-Sets in use.
• Reduced Diesel Engine Piling due to more optimal loading.
• Improved system response to short term surge requirements.
• Scalable as required.
Reduces Operating Expense
with Better Power
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03 May 2011 NDIA Power Expo
ultralifecorp.com
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