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1 Innovus Power Proprietary- All Rights Reserved- March 2015 Microgrid Power Systems Lowering the LCOE of Hybrid Systems
1 Innovus Power Proprietary- All Rights Reserved- March 2015
Microgrid Power Systems
Lowering the LCOE of Hybrid Systems
2 Innovus Power Proprietary- All Rights Reserved- March 2015
Maximizing renewable penetration
Grid stability trade offs Frequency control
Spinning reserve requirements
Storage solutions still expensive
System complexity
Curtailment
Fixed Speed GENSET challenges Minimum load (>30%)
Low efficiency at low loads
O&M Impact at low loads
LCOE Drivers and Challenges for Hybrid Systems
Innovus Power Proprietary- All Rights Reserved- March 2015
Fixed Speed Generators (FSG) How to adapt to challenges?
Diesel
Load
PV
Maximizing Renewable Penetration
3 Innovus Power Proprietary- All Rights Reserved- March 2015
Low efficiency at low loads
Fixed Speed Generator (FSG) Hybrid Challenges
200.0
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0% 20% 40% 60% 80% 100%Average Load on Generator (% of Peak Power)
Fuel
co
nsu
mp
tio
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/kw
h
High Penetration Renewables drive GENSETS to operate at low loads
Major OEM Fixed Speed Generator (FSG)
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Freq
uen
cy (
Hz)
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S V
olt
age
(V)
Time (seconds)
RMS Voltage, A-B
Frequency (Hz)
Frequency control with rapid load transients
Frequency Instability
4 Innovus Power Proprietary- All Rights Reserved- March 2015
RP
M
Time
Fixed Speed Generator
Innovus Variable Speed Generator
RP
M
Time
Peak Load
Average Load
1800 RPM
Generator Speed
Power Load
Generator speed mirrors the load
Generator speed fixed regardless of load
3 Phase AC
Piston Engine Generator
Engine controller
3 Phase AC Inverter
Active rectifier
Piston Engine
Permanent Magnet
Generator
Signal from Generator varies as electric load varies
Signal is converted to smooth AC output
DemandGenius Controller
Generator Speed
Power Load
Decouple Engine Speed from Frequency & Load
Innovus VSG Decouples Engine Speed from Frequency & Load
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Operating Range for High Penetration Renewables
Average Load (% of Peak Power)
Fuel
co
nsu
mp
tio
n g
/kw
h
Innovus Variable Speed fuel consumption
Fixed Speed Generator From major OEM
Innovus VSG Delivers Higher Fuel Efficiency at All Loads
Innovus Power Proprietary- All Rights Reserved- 5
Innovus Variable Speed Generator efficiency
As Renewables reach higher penetration, VSG fuel burn remains low
Fixed Speed Generator (FSGs)
6 Innovus Power Proprietary- All Rights Reserved- March 2015
With stability controlled, Renewables can increase to 100% of Peak
Frequency variability
Fixed Speed Generator (FSG) based Power System
Innovus Variable Speed Generator (VSG) based Power System
Fixed frequency leads to stable Grids
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equ
ency
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z)
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olt
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7 Innovus Power Proprietary- All Rights Reserved- March 2015
Innovus Microgrid Platform Solves the Cost Challenges
High Penetration Renewables Can Be Realized at Lower Cost
100% fossil fuel power 100% Renewable Power
Le
ve
lize
d C
ost
of
Ener
gy (
LCO
E)
Standard Solution LCOE
Increasing Renewables
Innovus Power System LCOE
8 Innovus Power Proprietary- All Rights Reserved- March 2015
400kW Hybrid System LCOE Case Study - Australia
Master Control Unit
Engine & Generator
Power Converter
Current - Utility Connection
Average load 400 kW
2,808,321 Annual kWh Usage
Large annual utility rate increases
AVG $0.32 kWh
EPC’s “Standard” Solution
FSG-Solar-Batteries-Converter
Non Solar Capex $1.6M
AVG LCOE $0.25 kWh
Innovus Solution
VSG-Solar-Energy Buffer
Non Solar Capex $ 1.4M
AVG LCOE $0.18 kWh
$394,000 per year savings • No Storage • High efficiency VSG at low load • Stable frequency control
Innovus Power Proprietary- All Rights Reserved 9
Innovus Microgrid Platform Enables Lower LCOE
Engine & Generator
Power Converter System
GridGenius Controller
Innovus FSG Solution Enables
High renewable penetration with grid stability
Efficiency at low loads
Efficient spinning reserves
100% penetration without storage
Stable frequency control
Integrated generation/control
Innovus Microgrid Platform
Innovus Power Proprietary- All Rights Reserved- March 2015
The New Backbone for Distributed Power
Mike Wanebo Innovus Power [email protected] +1.408.455.0358
11 Innovus Power Proprietary- All Rights Reserved- March 2015
FSGs cost rise with high renewable penetration
100% fossil fuel power 100% Peak Power from Renewables
Le
ve
lize
d C
ost
of
Ener
gy
(LC
OE)
LCOE of Renewables Plus Dispatchable Fixed Speed Generator (FSGs)
Cost increase assets are added to stabilize Grid
Maximum penetration without stability issues
Increasing Renewables
Fixed Speed Generator (FSG)
12 Innovus Power Proprietary- All Rights Reserved- March 2015
Innovus Microgrid Platform deploys the lowest cost power
AC Load
Interchangeable Rack Mount Power Converter Modules Allow for Easy System Configuration
Hybrid Energy Storage
DemandGenius Controller
DC Bus
PowerBridge
Active Rectifier
Inverter
AC
Stablizing
Load
13 Innovus Power Proprietary- All Rights Reserved- March 2015
1 MW
0
200 kW
800 kW
400 kW
600 kW Total Demand Load
Diesel Power utilized
Days
Wind Power Utilized
Current situation with FSG based System
Projected results with Innovus System
Current- Energy by power source*
Customer Case Study: Wind-Diesel Application
Wind power severely curtailed
due to stability issues
Savings 52% below plan
Wind capacity can be fully deployed
Additional energy available for heating
53% reduction in diesel cost
With Innovus- Energy by power source
*Wind turbine in operation since 2012
1 MW
0
200 kW
400 kW
600 kW
800 kW Total Demand Load Diesel Power consumed
Days
Wind Power Utilized
Grid operator will save $525,000 per year in fuel
Wind Turbine Capacity
Wind Turbine Capacity
14 Innovus Power Proprietary- All Rights Reserved- March 2015
The only way to maintain constant 60 Hz ‘AC’ power frequency was fixing the speed of generators
Fixed Speed Generators (FSGs) have serious challenges
Fixed Speed Generators were invented 125 years ago
The Synchronous ‘Fixed Speed’ Generator
Prime Mover Generato
r AC Power
System turns at 1 speed at all loads
Limited ability to handle large and frequent load changes
Limited ability to handle rapid changes in renewable generation
Rapid decline in fuel efficiency as loads decrease
Must be run at high minimum loads to prevent reliability issues
Innovus Power at a glance
• Microgrid Power Systems from up to 25 MW
• Only Variable Speed Generators above 100 kW
Target Markets
Products
• Founded in 2013
• Key IP and asset acquisition in 2012
• Marine Diesel Electric Propulsion since 2002
• Robust patent portfolio and proprietary technologies
• Based in Fremont, CA. near San Francisco
Background & Other
• Microgrids
• Grid Load Defection
• Mining
• Grid Stabilization
• Oil & Gas
• Military
• Construction
• DE Generation
Fremont, CA Headquarters
