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High Temperature Superconducting (HTS) Cable Project

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Presentation on theme: "High Temperature Superconducting (HTS) Cable Project"— Presentation transcript:

1 High Temperature Superconducting (HTS) Cable Project
DOE PROJECT Frisbie Station & HTS Information Center

2 Definition of High Temperature Superconducting (HTS)
DECO Refrig. Outlet Temp 65 K

3 Current HTS Development Programs

4 Applications and Opportunities for HTS Cables
High Capacity HTS Cable Systems Could Offer New Solutions to Network Design Requirements and System Constraints Densely Populated Load Centers Higher transfer capability through existing infrastructure Non-traditional Generator Siting Practices Transmission at generator voltages Non-traditional Distribution System Configurations Virtual Substation concept, locating transformers at alternate sites System Upgrades Transmission Constraint Relief and Circuit Reinforcement Potential system loss improvement

5 Applications and Opportunities for HTS Cables
HTS Cable Project offers a unique opportunity for Detroit Edison to have an “alpha” test of this emerging technology Collaborative research with DOE & EPRI results in a reasonable R&D cost for DECo Project will demonstrate an HTS Cable System on an existing utility network Frisbie Station mirrors an aged underground distribution infrastructure, so this is an ideal test bed for the demonstration Determine reliability and performance of the cable system. Development of expertise in installation and maintenance methods for HTS Cable Systems Joint Pirelli / Detroit Edison System Application Study to define other areas for HTS cables on the DECo system Strategic R&D opportunity for Detroit Edison

6 copper conductor cables
HTS Project Scope Replace nine existing cables between a 120/24-kV transformer and the station 24-kV switchgear with three HTS cables rated at 100 MVA Operate the HTS cable connected to the Detroit Edison system for 2 years. Three 24-kV HTS cables KCMIL CABLES EXPOSE HTS CABLE TO: SWITCHING SURGES AFFECTS ON CABLE, JOINTS, TERMINATIONS MAGNETIC FIELDS & HEAT FROM ADJACENT CABLES ENVIRONMENTAL CONDITIONS (ABOVE & BELOW GRADE) LONG TERM OPERATION - REFRIGERATION SYSTEM nine - 24-kV 2250 kmil copper conductor cables

7 Frisbie Substation Duct Layout
FRISBIE IS A MODEL OF THE DETROIT DOWNTOWN CABLE SYSTEM: SMALL, CROWDED DUCTS AND MANHOLES WITH MANY BENDS IN THE DUCT RUN. THE ENTIRE PROJECT IS WITHIN THE SUBSTATION FENCE. THE TRANSFORMER WAS IN ECONOMIC RESERVE. THE CIRCUIT CAN BE DISCONNECTED AS NEEDED.

8 “Detroit” HTS Cable Design
This part of cable is at ambient temperature Cryostat: Thermal insulation (vacuum ) HTS conductor ribbons WARM DIELECTRIC DESIGN SMALL OVERALL DIAMETER EASIER TO INSTALL AND SPLICE MOST VERSITAL Support tube Electrical insulation system Outer jacket Metallic shield Liquid N2 Refrigerant Operates at -200°C

9 HTS Project Status Cable manufacture completed (Longest single length of HTS conductor in the world.) Frisbie Station site preparation complete Available commercially 2005

10 HTS Project Status In progress: Cable & Splice installation
Available commercially 2005 In progress: Cable & Splice installation In service Q3, 2001

11 HTS Project Participants
Pirelli Cables & Systems (PC&S): “Cable System provider” (also Team Leader & Project Manager) Detroit Edison Co (DTE): “Utility End User”, Test Site provider American Superconductor Corporation (ASC): “HTS Tape provider” Lotepro Corporation: “Refrigeration System provider” EPRI (Electrical Power Research Institute): “Utilities Group expertise, systems studies, & Co-Sponsor with DOE” US Department of Energy: “Program Sponsor”


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