HTS Degaussing Cable Junction Box
Navy SBIR FY2008.1


Sol No.: Navy SBIR FY2008.1
Topic No.: N08-078
Topic Title: HTS Degaussing Cable Junction Box
Proposal No.: N081-078-0672
Firm: Creare Inc.
P.O. Box 71
Hanover, New Hampshire 03755-0071
Contact: Anthony Dietz
Phone: (603) 643-3800
Web Site: www.creare.com
Abstract: High Temperature Superconducting (HTS) cables offer major advantages over the conventional copper cables currently used to reduce the magnetic signatures of Navy ships. A degaussing system utilizing HTS cables would be smaller, lighter, and cost less to install than current systems. However, new components, cables and connection technologies are needed before HTS systems can be installed and operated in Navy ships. Creare is pursuing a development program to provide the Navy with the technology needed to transition an HTS Degaussing System into the next generation of warships. As part of this development effort, Creare proposes a High Temperature Superconductor Junction Box (HTSJB) that will provide electrical connectivity and cooling flow to HTS degaussing cables. Our HTSJB will incorporate quick disconnect connectors being developed on a separate project. Our design goals for the junction box are to minimize size and power, while maximizing reliability, durability and ease of installation. In Phase I of this project we will optimize the component configuration and complete an integrated design. Feasibility of the design will be demonstrated through an analysis of the component and overall system performance. In Phase II we will fabricate prototype junction boxes and demonstrate their performance in a degaussing system.
Benefits: Our proposed junction box will remove one of the key technical hurdles facing the introduction of superconducting systems into Navy war ships. Superconducting technology has the potential to reduce the size, weight and cost of certain systems such as degaussing systems, propulsion motors, and power electronics. Commercial applications include superconducting cables for electricity transmission.

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