Low Cost, Ultra-Power Dense Point of Use Conversion System
Navy SBIR FY2013.1

Sol No.: Navy SBIR FY2013.1
Topic No.: N131-040
Topic Title: Low Cost, Ultra-Power Dense Point of Use Conversion System
Proposal No.: N131-040-0899
Firm: Mainstream Engineering Corporation
200 Yellow Place
Pines Industrial Center
Rockledge, Florida 32955-5327
Contact: Troy Beechner
Phone: (321) 631-3550
Web Site: www.mainstream-engr.com
Abstract: Naval ships currently operate independent 60 Hz and 400 Hz power systems, resulting in unnecessary redundancy and high ship costs. A better approach is to utilize existing 60 Hz equipment and place the 400 Hz equipment at the load site. However, limitations in current electronic power densities make components too large to be strategically located. Mainstream proposes a modular, low cost, ultra-power dense point of use conversion system that is scalable to various load levels and output types. The proposed solution will increase the power density of naval power electronics to levels required to be strategically located, lower cost by 30%, and increase reliability by 20% over current solutions. This high level of power density is achieved without the use of high temperature SiC semiconductors, which can significantly increase system cost. In Phase I, Mainstream will optimize the power electronic and thermal management system architecture, and develop the control system for both. In Phase II, Mainstream will demonstrate a full-scale prototype on a simulated naval power system. Mainstream's proposed technology will not only improve the reliability and power density of military power supplies, but can also satisfy commercial power supply goals
Benefits: Development of the ultra-power dense point of use conversion system is important to the increased survivability and power converter cost reduction in military applications and in smaller scale commercial applications such as capacitor charging and particle physics power supplies. In all these cases, current solutions are high in cost, non-scalable, and have low power density, thus limiting their use in naval applications. Due to the scalability and power density of Mainstream's technology, a single product can be used in all applications, reducing overall costs.