Diapositive 1

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The ECCOFLOW EU FP7 Project Design and
Simulations Results of a Superconducting Fault
Current Limiter for Operation in Electricity
Networks
Luciano MARTINI, Mathias NOE, Pascal
TIXADOR, Achim HOBL, Marco BOCCHI RSE
Italy KIT Germany Grenoble INP France
Nexans SuperConductors Germany
Luciano Martini IT RIF S1 Paper 1162
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OUTLINE

• The Superconducting Fault Current Limiter
• The FP7 EU Project ECCOFLOW
• Participants and objectives
• Site installations
• SFCL Specifications
• SFCL Device Conceptual Design
• Short-circuit Simulation Results

Luciano Martini IT RIF S1 Paper 1162
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Major Benefits from SFCL Applications
Luciano Martini IT RIF S1 Paper 1162
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FP7 EU Project ECCOFLOW
Luciano Martini IT RIF S1 Paper 1162
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FP7 EU Project ECCOFLOW
www.eccoflow.org
Luciano Martini IT RIF S1 Paper 1162
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FP7 EU Project ECCOFLOW
Luciano Martini IT RIF S1 Paper 1162
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FP7 EU Project ECCOFLOW
Luciano Martini IT RIF S1 Paper 1162
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SFCL Specifications
Main specifications for both SFCL locations
Site 1 Site 2 ECCOFLOW
Nominal Voltage (kV) 16.5 24 2400
Nominal Current (A) 1000 1005 100500
Short Circuit Current (kA) 21.7 25.6 25.600
Max. Limited first peak (kA) 10.8 17 10.800
Recovery Time (s) lt 30 lt 30 lt 3000
AC withstand Voltage (kV) 50 50 5000
Lightning Impulse (kV) 125 125 12500
Luciano Martini IT RIF S1 Paper 1162
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SFCL Device Conceptual Design
Conceptual sketch of the SFCL system including
all major parts in a single-phase line diagram
Luciano Martini IT RIF S1 Paper 1162
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Simulation Results
Limited current and SFCL temperature after a 120
ms fault transient, as function of shunt
impedance
Luciano Martini IT RIF S1 Paper 1162
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Short-circuit Simulation Results
3-phase fault (V24 kV, Inom1 kA, ISC12 kArms)
Evolution of ILim, ISC and THTS
Luciano Martini IT RIF S1 Paper 1162
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Acknowledgments

• This work is funded by the European Union Seventh
  Framework Program (FP7/2007-2013) under the grant
  agreement No. 241285.
• The authors would like to thank
• K. de Tessieres and J. Bock (Nexans)
• J. Frau Valenti (ENDESA) and M. Fedorko (VSE) for
  providing the network installation information

Luciano Martini IT RIF S1 Paper 1162
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Luciano Martini IT RIF S1 Paper 1162