Combat Hybrid Power System Flywheel for Naval Applications (CHPS-N)
Abstract
Task 1: Kick-off Meeting Deliverables: PowerPoint file presented at the kick-off meetingTask 2: Topology and Integration StudiesTask 3: Concept Design StudiesDeliverables: PowerPoint presentation summarizing the concept designs, mass, volume, and systemefficiencies; Final Report The University of Texas Center for Electromechanics (CEM) has an ongoing ONR project to develop a very high power density dual mode generator. The dual mode generator is currently referred to as the Combat Hybrid Powers System for Naval Applications (CHPS-N). The objectives for this effort are to: 1. Design a compact, dual-mode flywheel energy storage system that: Fits through 26 inch hatch; supports full range of Navy pulse loads, including EM Gun and other pulse loads; and supports large range of Navy medium and lower power intermittent loads. 2. Emphasize design for safety, focused on significant and credible failures and the latest flywheel safety related technology and design approaches. 3. Bring design to an advanced state, supported by appropriate risk mitigation experiments, ready for follow-on, full-scale demonstration. In the course of completing four major design iterations, objectives 1 and 2 have been met and a full scale spin test of a test article that represents a slice through the center of the motor/generator section of the rotor is scheduled for completion in early March of 2016 to complete Objective 3. The starting point for this effort was a 2000-2002 DARPA-Army funded design effort that developed an inside-out system topology (i.e., the rotating portion of the machine is outboard of the stator) with the rotor supported by magnetic bearings. Compared to the original design, the ONR funded design makes approximately a ten-fold increase in rated average power while still keeping the machine volume low and still keeping the system outer diameter to less than the width of a 26 inch hatch. The CHPS-N flywheel is of significant relevance to the Navy because it can serve as a key component for shipboard power management, energy management, and damage management and as part of the Navy energy magazine concept. CHPS-N substantially advances state-ofthe- art with respect to flywheel power and energy systems with relevance for the Navy. In particular, the CHPS-N system represents the following advances for naval flywheel power and energy systems: • Integration of a proven rotor safe-life design strategy that is highly relevant to safety of high performance flywheel systems for the Navy. • Major upgrades in dual-mode pulse and continuous power ratings for systems that fit within 26 inch hatch constraint, providing new capabilities for the Navy that cannot easily be accomplished by other technologies. • A highly sophisticated systems engineering that balances risk among all subsystems. Most of the effort to date has focused on the very challenging machine design and on meeting the technical objectives of the program. To fully understand the full range of benefits for the U.S, Navy, additional effort is needed to define the power electronics, converter topology, and ship integration approach for the CHPS-N machine. This paper describes technical objectives and tasks proposed to allow a better understanding of the integration and CHPS-N into naval vessels. It is intended that these tasks would supplement the existing ONR funded CHPS-N program as an amendment, although other alternatives are also suitable.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Nov 23, 2016
- Source ID
- N000141612461
Entities
People
- Joseph Beno
Organizations
- Office of Naval Research
- United States Navy
- University of Texas at Austin