Advanced Superconducting Medium Voltage System for …Nexans Deutschland GmbH Kabelkamp 20 30179...
10
Advanced Superconducting Medium Voltage System for Urban Area Power Supply Mark Stemmle, Frank Merschel, Mathias Noe, Achim Hobl 1
Transcript of Advanced Superconducting Medium Voltage System for …Nexans Deutschland GmbH Kabelkamp 20 30179...
Advanced Superconducting Medium Voltage
System for Urban Area Power Supply
Mark Stemmle, Frank Merschel, Mathias Noe, Achim Hobl
1
Motivation
2
Substation in
suburban area
Substation in
city center
Conventional HV
cable system
Superconducting MV
cable system
Substation in
suburban area HV
HV
MV
Substation in
city center
MV
HV
MV
AmpaCity Project Objective
3
Substation
Dellbrügge
Cable Joint
Substation
Herkules
Luftbild: "Darstellung aus HK Luftbilder / Karten Lizenz Nr. 197 / 2012 mit Genehmigung
vom Amt für Geoinformation, Vermessung und Kataster der Stadt Essen vom 13.02.2012"
Technical specification
- 1 km distance between substations
- 10 kV system voltage
- 2.3 kA operating current (40 MVA)
AmpaCity Milestones
• Feasibility study finished in March 2011
• Project start in September 2011
• Cable system type test in February 2013
• Manufacturing and installation of system
• System commissioning test in December 2013
• Official system commissioning in April 2014
• Field test period until February 2016
4
Superconducting Cable Design
5
Dielectric Former
Screen
Outer LN2
Cooling Cable Cryostat
Inner LN2
Cooling
Phase 1 Phase 2
Phase 3
Type Test in Hannover
6
System Installation in Essen
7
Cable Commissioning Test
8
Conclusions
• Medium voltage superconducting systems
– Replace conventional HV systems in cities
– Offer technical and economical advantages
• Installation of AmpaCity system is finished
• System commissioning test was successful
• Further system evaluation through field test
9
Thank you very much for your attention
Dr. Mark Stemmle
Nexans Deutschland GmbH
Kabelkamp 20
30179 Hannover
10
