Development of Magnesium Diboride Coils for High Voltage Superconducting Transformers

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: F33615-02-M-2267
Agency Tracking Number: 02-0176
Amount: $70,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2002
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
110 E. Canal St., Troy, OH, 45373
DUNS: 014152511
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Michael Tomsic
 President
 (937) 332-0348
 tomsic@voyager.net
Business Contact
 Michael Tomsic
Title: President
Phone: (937) 332-0348
Email: tomsic@voyager.net
Research Institution
N/A
Abstract
"New high power airborne and mobile military systems will require megawatts of electrical power produced by very lightweight power sources. The majority of these new systems will require multi-megawatts of power delivered at very high-voltages.Generators will not be able to directly produce the high voltages so high-voltage, multi-megawatt transformers will be required. A superconducting transformer offers the possibility of developing very lightweight, high power transformer. While BSCCO andYBCO coated conductors are being considered for this application, the AC loss characteristics of these conductors are not ideal. In January 2000 it was announced that magnesium diboride compound is superconducting up to 39 K. Our present properties ofmagnesium diboride wires in the 20-30 K range in magnetic fields up to 2 tesla appear ideal for superconducting transformers. We have also demonstrated a magnetic shielding approach that can result in a significant reduction of AC losses. This proposalexplores the development and demonstration of magnesium diboride coils for both the primary and secondary coils of a superconducting transformer. By accelerating the development of a low cost, low AC loss magnesium diboride wire, commercial applicationsfor superconducting transformers, open MRI, generators, and motors will implemented sooner in the marketplace."

* Information listed above is at the time of submission. *

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