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Handbook of Energy Storage for Transmission or ... - W2agz.com

Handbook of Energy Storage for Transmission or ... - W2agz.com Handbook of Energy Storage for Transmission or ... - W2agz.com

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EPRI Proprietary Licensed Material customer based on demand reduction at the meter expects an additional 13% savings in the power bill. Table 5 Benefit/Cost Ratio Comparison Based On NPV Assessment. Technology Variant T&D Application Size* MW Stg Capacity kW-hours NPV(Costs) NPV(Benefits) NPV (Total) Benefit/Cost Ratio Low Speed Flywheel AC Grid Stabilization 1.5 5.00 $1,529,145 $1,445,026 ($84,119) 0.9 Low Speed Flywheel ($/kW) AC Grid Stabilization 1.5 5.00 $1,019 $963 ($56) N/A Traction Load High Speed Flywheel Stabilization 1 8.33 $1,519,974 $1,841,082 $321,108 1.2 High Speed Flywheel Traction Load ($/kW) Stabilization 1 8.33 $1,013 $1,227 $214 N/A Increased Capacity High Traction Load Speed Flywheel Stabilization 1 8.33 $1,080,217 $1,841,082 $760,865 1.7 Increased Capacity High Speed Flywheel ($/kW) Traction Load Stabilization 1 8.33 $720 $1,227 $507 N/A *Note: Multiple flywheel systems can be connected in parallel to produce a larger system rating. For example, for some applications, multiple 250kW flywheel units might be easier to site, build, and install than one single 1.5MW unit. References [1] Evaluation of Superconducting Magnetic Energy Storage for San Diego Gas & Electric. Electric Power Research Institute, Palo Alto, CA. Report TR-106286. [2] Benefit of Static Compensator (STATCOM) plus Superconducting Magnetic Energy Storage (SMES) in the Transmission Network Presented At; Spring 2001 Energy Storage Association Meeting April 26-27,Chattanooga, Tennessee Presented By; S. Macdonald, L. Kovalsky. [3] Application of Distributed Superconducting Magnetic Energy Storage System (D- SMES) in the Entergy System to Improve Voltage Stability S.Kolluri, Senior Member, IEEE, Entergy Services Inc, New Orleans, LA. [4] Model Validation and Analysis of WSCC System Oscillations following Alberta Separation on August 4, 2000 Final Report January 25, 2000. Bibliography T. Key and B. Banerjee, "Comparison of Energy Storage and Electric Conversion for Bridging Power Applications," Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA C. Tarrant, “UPT Kinetic Energy Storage System for Traction Applications,” publication of Urenco Power Technologies website, http://www.uptenergy.com Active Power, Inc. company website, http://www.activepower.com AFS Trinity Power Corporation company website, http://www.afstrinity.com Flywheels Page 36

EPRI Proprietary Licensed Material C. E. Bakis, Department of Engineering Science and Mechanics, Penn State University, telephone conversation, 12 Aug 2002 Beacon Power Corporation company website, http://www.beaconpower.com D. A. Bender, P. K. Snyder, “DC Power Management with a High Performance Flywheel” Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA The Boeing Company press release, February 17, 1998. Composites Manufacturing Technology Center at Penn State University group website, http://www.esm.psu.edu/HTMLs/DeptInfo/CMTC/flywheel.html A.C. Day, M. Strasik, J. Mittleider, J. Edwards, P.E. Johnson, M.D. Higgins, J.R. Schindler, K.E. McCrary, R.A. Hawkins, D.L. Carlson, A.E. Segall, “Flywheels With All-Passive, Non-Contact Magnetic Suspensions” Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA Energetics, Inc. “A Summary of the State of the Art of Superconducting Magnetic Energy Storage Systems, Flywheel Energy Storage Systems, and Compressed Air Energy Storage Systems.” Sandia National Laboratories “Evaluation of the Urenco PQ Flywheel Energy Storage System for Enhancing the Ride- Through Performance of an Adjustable-Speed Drive” EPRI, Palo Alto, CA: 2000. 1000801 “Flywheel Energy Storage” EPRI, Palo Alto, CA: 1997 TR-108378 “Flywheels for Electric Utility Energy Storage” EPRI, Palo Alto, CA: 1999 TR-108889 R. E. Hebner, J. H. Beno, J.D. Herbst, “Composite Flywheels for Energy Storage – Design Considerations” Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA International Computer Power company website, http://www.rotoups.com Lawrence Livermore Electromechanical Batteries group website, http://www.llnl.gov/IPandC/op96/12/12c-ele.html M. Lazarewicz, “A Description of the Beacon Power High Energy and High Power Composite Flywheel Energy Storage Systems” Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA H. Mrugowsky, H. Cordt, C. Sihler, B. Streib, H. Darrelmann, “Investigation of the Stability of a 600 MJ Energy Storage System Based on Paralleled Flywheel Generators” Electrical Energy Storage Applications and Technology Conference Record, EESAT 2002, April 15-17, 2002, San Francisco, CA NASA Glenn Research Center, Power & Propulsion Office Aerospace Flywheel Development website, http://space-power.grc.nasa.gov/ppo/projects/flywheel/ Pentadyne Power Corporation company website, http://www.pentadyne.com Flywheels Page 37

EPRI Proprietary Licensed Material<br />

customer based on demand reduction at the meter expects an additional<br />

13% savings in the power bill.<br />

Table 5<br />

Benefit/Cost Ratio Comparison Based On NPV Assessment.<br />

Technology Variant T&D Application Size* MW<br />

Stg Capacity<br />

kW-hours<br />

NPV(Costs)<br />

NPV(Benefits) NPV (Total)<br />

Benefit/Cost<br />

Ratio<br />

Low Speed Flywheel AC Grid Stabilization 1.5 5.00 $1,529,145 $1,445,026 ($84,119) 0.9<br />

Low Speed Flywheel<br />

($/kW)<br />

AC Grid Stabilization 1.5 5.00 $1,019 $963 ($56) N/A<br />

Traction Load<br />

High Speed Flywheel<br />

Stabilization<br />

1 8.33 $1,519,974 $1,841,082 $321,108 1.2<br />

High Speed Flywheel Traction Load<br />

($/kW)<br />

Stabilization<br />

1 8.33 $1,013 $1,227 $214 N/A<br />

Increased Capacity High Traction Load<br />

Speed Flywheel Stabilization<br />

1 8.33 $1,080,217 $1,841,082 $760,865 1.7<br />

Increased Capacity High<br />

Speed Flywheel ($/kW)<br />

Traction Load<br />

Stabilization<br />

1 8.33 $720 $1,227 $507 N/A<br />

*Note: Multiple flywheel systems can be connected in parallel to produce a larger system rating. F<strong>or</strong> example, <strong>f<strong>or</strong></strong> some applications, multiple<br />

250kW flywheel units might be easier to site, build, and install than one single 1.5MW unit.<br />

References<br />

[1] Evaluation <strong>of</strong> Superconducting Magnetic <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> <strong>f<strong>or</strong></strong> San Diego Gas &<br />

Electric. Electric Power Research Institute, Palo Alto, CA. Rep<strong>or</strong>t TR-106286.<br />

[2] Benefit <strong>of</strong> Static Compensat<strong>or</strong> (STATCOM) plus Superconducting Magnetic <strong>Energy</strong><br />

<strong>St<strong>or</strong>age</strong> (SMES) in the <strong>Transmission</strong> Netw<strong>or</strong>k Presented At; Spring 2001 <strong>Energy</strong><br />

<strong>St<strong>or</strong>age</strong> Association Meeting April 26-27,Chattanooga, Tennessee Presented By; S.<br />

Macdonald, L. Kovalsky.<br />

[3] Application <strong>of</strong> Distributed Superconducting Magnetic <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> System (D-<br />

SMES) in the Entergy System to Improve Voltage Stability S.Kolluri, Seni<strong>or</strong><br />

Member, IEEE, Entergy Services Inc, New Orleans, LA.<br />

[4] Model Validation and Analysis <strong>of</strong> WSCC System Oscillations following Alberta<br />

Separation on August 4, 2000 Final Rep<strong>or</strong>t January 25, 2000.<br />

Bibliography<br />

T. Key and B. Banerjee, "Comparison <strong>of</strong> <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> and Electric Conversion <strong>f<strong>or</strong></strong><br />

Bridging Power Applications," Electrical <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> Applications and Technology<br />

Conference Rec<strong>or</strong>d, EESAT 2002, April 15-17, 2002, San Francisco, CA<br />

C. Tarrant, “UPT Kinetic <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> System <strong>f<strong>or</strong></strong> Traction Applications,” publication<br />

<strong>of</strong> Urenco Power Technologies website, http://www.uptenergy.<strong>com</strong><br />

Active Power, Inc. <strong>com</strong>pany website, http://www.activepower.<strong>com</strong><br />

AFS Trinity Power C<strong>or</strong>p<strong>or</strong>ation <strong>com</strong>pany website, http://www.afstrinity.<strong>com</strong><br />

Flywheels Page 36

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