Executive Summary
This thesis details the design, simulation, construction, and testing of a high-power resonant DC-DC converter module for a reduced-scale prototype Integrated Power System (IPS) with DC Zonal Electrical Distribution System (DC ZEDS) for future naval vessels. The resonant converter demonstrated significant efficiency and Electromagnetic Interference (EMI) improvements over a hard-switched counterpart after optimization. This technology is crucial for enhancing power distribution and fault isolation in next-generation submarines and surface ships.
Why It Matters
This document is critical for defense analysts as it details advancements in naval power systems, specifically integrated power systems for future warships, which directly impact vessel performance, survivability, and operational efficiency. Improved power conversion technology can lead to more robust and stealthy naval platforms.
Key Takeaways
- Resonant DC-DC converters offer significant efficiency and EMI reduction benefits over hard-switched converters for naval integrated power systems.
- The optimized resonant converter achieved a 0.7% efficiency improvement and drastically reduced EMI bandwidth from 45 MHz to 5 MHz.
- Integrated Power Systems with DC ZEDS are strong candidates for next-generation submarines and surface ships, enabling rapid power distribution and microsecond fault isolation.
Strategic Relevance
The development of more efficient and robust power conversion modules is strategically important for modernizing naval fleets. Integrated Power Systems enhance a warship's ability to manage power for propulsion and combat systems dynamically, improving operational flexibility, reducing electromagnetic signatures, and increasing resilience against electrical faults. This directly contributes to the combat effectiveness and survivability of future naval platforms.