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Energy storage design considerations for an MVDC power system

Journal Article · · Journal of Marine Engineering & Technology
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  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Naval Sea Systems Command (NAVSEA), Washington, DC (United States)
  3. NAVSEA, Naval Sea Systems Command, Washington, DC, USA
  4. McCoy Consulting, Box Elder, ND (United States)
+ Show Author Affiliations
The U.S. Navy is investing in the creation of new technologies that broaden warship capabilities and maintain U.S. naval superiority. Specifically, Naval Sea Systems Command (NAVSEA) is supporting the development of power systems technologies that enable the Navy to realise an all-electric warship. A concern to fielding an all-electric power system architecture includes minimising the size of energy storage systems (ESS) while maintaining the response times necessary to support potential pulsed loads. This work explores the trade-off between energy storage size requirements (i.e. mass) and performance (i.e. peak power, energy storage, and control bandwidth) in the context of a power system architecture that meets the needs of the U.S. Navy. In this work, the simulated time domain responses of a representative power system were evaluated under different loading conditions and control parameters, and the findings were considered in conjunction with sizing constraints of and estimated specific power and energy densities of various storage technologies. The simulation scenarios were based on representative operational vignettes, and a Ragone plot was used to illustrate the intersection of potential energy storage sizing with the energy and power density requirements of the system. Furthermore, the energy storage control bandwidth requirements were evaluated by simulation for different loading scenarios. Two approaches were taken to design an ESS: one based only on time domain power and energy requirements from simulation and another based on bandwidth (specific frequency) limitations of various technologies.
Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000; NA0003525
OSTI ID:
1574454
Report Number(s):
SAND--2019-12562J; 680447
Journal Information:
Journal of Marine Engineering & Technology, Journal Name: Journal of Marine Engineering & Technology Vol. 19; ISSN 2046-4177
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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25 ENERGY STORAGE
control
energy storage
frequency response
integration
pulsed loads