hybrid-diesel grids: power systems integration - alaska center for energy...
TRANSCRIPT
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Hybrid-Diesel Grids: Power Systems Integration Marc Mueller-Stoffels, PhD
Theory to Practice
Hybrid Energy Innovations 2015 Research funded in part by DOE EPSCoR
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Alaska Center for Energy and Power ACEP's Mission: Develop and disseminate practical, cost-effective,
and innovative energy solutions for Alaska and beyond.
ACEP
Power Systems Integration
Program
PSI Laboratory
AK Hydrokinetic Energy Research
Center
Tanana River Testsite
Data Acquisition and
Management
Global Applications
Program Other Research
Geothermal Exploration
Biomass Applications
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Integrated Research
Data Acquisition
System Analysis
R&D System Testing
System Implementation
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Power Systems Assessments
• Theoretical work – Maximum RE
penetration vs. control architecture
• Applied models – Energy balance – Power quality – Optimal control
• Planning support – Resource sizing – Optimal operation
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Example: Nome, AK
• Impact of 2 MW Geothermal Power on Wind-Diesel System – 2.7 MW Wind Farm – Gensets: 800 kW to 5.2
MW • Wind diversion vs. fuel
savings • Optimal control
– Minimize diesel switching, maximize RE utilization
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Power Systems Integration Laboratory
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Power Systems Integration Laboratory
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Energy Storage Integration
• Flywheel Energy Storage Systems and Controls
• Integration of: – 200 kW Flywheel – ABB PCS100 – Hatch Control System
• Control of: – Power quality mitigation
strategies – Power smoothing
• Voltage source inverter – V/F-droop, isoch., virtual
generator
Hatch Engineering, Williams Hybrid Power/KTSi, ABB – State of Alaska funded
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VRLA Battery Integration/Diesel-off
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• Integration of ABB PCS100 with Absolyte VRLA battery
• Development: – Battery Management
System (ABB AC500) – Software controls
• Systems Testing: – Battery mapping – Diesel-off operation
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Ambri Liquid Metal Battery
• ACEP/Ambri-partnership • Phase 1 (PSI Lab):
– Ambri Core: 17.5kW/35kWh – Battery performance testing – Preparation for PV-diesel
integration
• Phase 2 (Eagle, AK): – Ambri Energy Pod:
50kW/100kWh – Remote islanded PV-diesel
grid deployment – PV-smoothing and shifting
application
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Ambri Inc., Alaska Power and Telephone – State of Alaska funded
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Commercialization Center
• Mission: Support nascent industry/products from R&D to commercialization. Build AK-based export economy.
• Components: – Upfront engineering
support – R&D collaboration,
including lab use – Business planning,
investor and customer connections
Award under U.S. Economic Development Administration i6 Challenge
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QUESTIONS?
Marc Mueller-Stoffels, PhD Alaska Center for Energy and Power University of Alaska Fairbanks [email protected] (907) 474 5117