modeling advanced technology pumped storage peter … · modeling advanced technology pumped...
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Modeling Advanced TechnologyPumped Storage Peter Donalek Panel Session
Planning Transmission for Co‐Optimization with Resource Expansion July 29, 2014
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Advanced Pumped Storage Technologies
• Adjustable Speed AS PSH– Doubly fed Induction > 50 MW– Converter Fed Synchronous < 50 MW
• Ternary – Single speed synchronous motor/generator with hydraulic short circuit
• Possible conversion of single speed to adjustable speed
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Existing AS PSH Units in Operation
EXISTING ADJUSTABLE SPEED PUMPED STORAGE UNITS
Plant Name Unit # Utility Name & CountryService Date
Pump (MW)
Generator (MVA)
Speed Range (rpm)
Synchronous speed rpm
Frequency (Hz)
Speed Range % AFC Type
1 Narude Pilot Project 2 Kansai EPCo ‐ Japan 1987 18.5 22 190‐210 200 60 +/‐ 5% Cyclo ‐ C2 Yagisawa‐Conversion 2 Tokyo EPCo ‐ Japan 1990 53 ‐ 82 85 130‐156 150 50 +4%/‐13% Cyclo ‐ C3 Takami 2 Hokkaido EPCo ‐ Japan 1993 44‐140 103 200‐254 230.8 50 +/‐ 10% GTO inv4 Ohkawachi 2 Kansai EPCo ‐ Japan 1993 331‐392 395 330‐390 360 60 +/‐ 8% Cyclo ‐ C5 Shiobara‐Conversion 3 Kansai EPCo ‐ Japan 1995 200‐330 360 356‐394 375 50 +/‐8% Cyclo ‐ C6 Ohkawachi 4 Kansai EPCo ‐ Japan 1995 240‐400 395 330‐390 360 60 +/‐ 8% Cyclo ‐ C7 Yagisawa‐Conversion 3 Tokyo EPCo ‐ Japan 1996 53 ‐ 82 85 130‐156 150 50 +4%/‐13% Cyclo ‐ C8 Okukiyotsu 2 EPDC 1996 230‐340 345 408‐450 428.6 50 +/‐5% GTO inv9 Yanbaru‐Okinawa 1 EPDC ‐ Japan 1999 31.8 31.5 423‐477 450 60 +/‐6% GTO inv10 Goldistahl 1 VEAG ‐ Germany 2002 170‐300 351 300‐346.6 333 50 +4%/‐10% Cyclo ‐ C11 Goldistahl 4 VEAG ‐ Germany 2002 170‐300 351 300‐346.6 333 50 +4%/‐10% Cyclo ‐ C12 Omarugawa 4 Kyushu EPCo ‐ Japan 2007 310 340 576‐624 600 60 +/‐4% Cyclo ‐ C13 Omarugawa 3 Kyushu EPCo ‐ Japan 2008 330 345 576‐624 600 60 +/‐4% GCT inv14 Avce 1 SENG ‐ Slovenia 2010 125‐180 195 576‐636 600 50 +6%/‐4% GCT inv
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DFIM and Single Speed Comparison
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Focus of Modeling Up to Now
• Identification of operational benefits• Methodology to quantify benefits• Methodology to value benefits in monetary terms
• Development of “vendor neutral” transmission system modeling tools
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Argonne National Labs Report
“Modeling and Analysis of Advanced Pumped Storage Hydropower Technologies” Report, ANL/DIS‐ 14/7
Web Site: http://www.dis.anl.gov/psh
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Five sub reports• Review of Existing Hydroelectric Turbine‐Governor Simulation Models
• Modeling Adjustable Speed Pumped Storage Hydro Units Employing Doubly‐fed Induction Machines
• Modeling Ternary Pumped Storage Units• Testing Dynamic Simulation Models for Different Types of Advanced Pumped Storage Hydro Units
• Simulation of the Secondary Frequency Control Capability of the Advanced PSH Technology and its Application to the SMUD System.
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Analytical Tools and Modeling Timeframes
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NEED FOCUS HERE
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Power System Modeling • Review of existing models • Prepared, Vendor Neutral, Dynamic Simulation Models for Adjustable Speed Pump Storage Units
• Prepared, Vendor Neutral, Dynamic Simulation Models for Ternary Pump Storage Units
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Impact on Transmission Planning
• Short term– Update LGIA process – Revised data sheets– System Impact Studies in both pump and generation modes
• Long term – Evaluate Impact of Control Options– Wide Area Stability and Voltage Control
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Control Options
• Active power based control – Active power controlled by exciter– Rotation speed controlled by governor
• Rotational speed based control – Active power controlled by governor– Rotation speed controlled by exciter
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Ohkawachi PSH and Hanshin Earthquake – Jan 1995
• Ohkawachi Unit #4 was on‐line in pump mode• Maintained grid voltage
– Fast reactive power control
• Continued pump operation– Adjusted pump power and remained on‐line
• Contributed to frequency stability– Adjusted pump power and contributed to grid frequency stability
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AS PSH Unit as Part of WACS16
PSHG
GG
G
LSE
LSE
LSE
LSELDC
B A boundary
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Ongoing Efforts
• Idaho National Lab (INL) is doing advanced modeling using PSCAD.
• Develop models that include both the hydraulic dynamics as well as the pump/turbines, motor/generators and system dynamics.
• US DOE Hydro Vision initiative.
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US DOE Hydropower Vision Initiative
• Eleven sub groups including:– Grid Integration and Transmission, NREL– Pumped Storage, ANL
• http://energy.gov/eere/water/new‐vision‐united‐states‐hydropower
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Questions & Discussion
• Advanced Pumped Storage Modeling Task Force Meeting
• Thursday July 24, 2014 at 1:00 pm• Potomac 1
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Questions & Discussion20
Credit to Carson Taylor for this graphic