advanced superconducting medium voltage system for …nexans deutschland gmbh kabelkamp 20 30179...
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![Page 1: Advanced Superconducting Medium Voltage System for …Nexans Deutschland GmbH Kabelkamp 20 30179 Hannover mark.stemmle@nexans.com 10 . Title: Slide 1 Author: IEEE Created Date: 5/2/2014](https://reader033.vdocuments.mx/reader033/viewer/2022050301/5f6a1da31cd212623d5294ce/html5/thumbnails/1.jpg)
Advanced Superconducting Medium Voltage
System for Urban Area Power Supply
Mark Stemmle, Frank Merschel, Mathias Noe, Achim Hobl
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Motivation
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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
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AmpaCity Project Objective
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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)
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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
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Superconducting Cable Design
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Dielectric Former
Screen
Outer LN2
Cooling Cable Cryostat
Inner LN2
Cooling
Phase 1 Phase 2
Phase 3
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Type Test in Hannover
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System Installation in Essen
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Cable Commissioning Test
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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
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Thank you very much for your attention
Dr. Mark Stemmle
Nexans Deutschland GmbH
Kabelkamp 20
30179 Hannover
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