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Lightweight Power Transformer for Shipboard Electrical Power Distribution Systems

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-05-M-0029
Agency Tracking Number: O043-EP5-4111
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: OSD04-EP5
Solicitation Number: 2004.3
Timeline
Solicitation Year: 2004
Award Year: 2005
Award Start Date (Proposal Award Date): 2004-12-09
Award End Date (Contract End Date): 2005-12-09
Small Business Information
Two Technology Drive
Westborough, MA 01581
United States
DUNS: 185904497
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 David Gritter
 Senior Technical Fellow
 (262) 901-6007
 dgritter@amsuper.com
Business Contact
 Thomas Rosa
Title: V.P., Finance and Accounting
Phone: (508) 621-4265
Email: trosa@amsuper.com
Research Institution
N/A
Abstract

A topology for a medium voltage to low voltage 3-phase power converter is proposed. It consists of a clean power rectifier followed by multiple isolated DC to DC converters using commercially available high frequency transformers with very low core losses when driven by a quasi-resonant inverter operating in the 20 to 50 kHz range. The DC to DC input DC busses are placed in series, while the outputs are in parallel to effect the reduction in voltage from medium to low. Finally a DC to AC inverter re-constructs a 3-phase voltage, which after filtering, provides high quality power for low voltage loads. This proposal defines development efforts to identify the appropriate rectifier topology if clean input currents are required, to build and test a breadboard high frequency transformer, and to refine the design of the output DC to AC inverter and filters.

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

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