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Inventions 2016, 1(3), 14; doi:10.3390/inventions1030014

A Two-Level Topology Design Framework for Reliable Shipboard Power Systems

1
School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA 99164, USA
2
Department of Electrical Engineering and Computer Science, The University of Texas at Austin, Austin, TX 78712, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Chien-Hung Liu
Received: 30 April 2016 / Revised: 8 June 2016 / Accepted: 17 June 2016 / Published: 27 June 2016
(This article belongs to the Special Issue New Technologies for Maritime Power Systems)
View Full-Text   |   Download PDF [2662 KB, uploaded 27 June 2016]   |  

Abstract

Ensuring a high level of service reliability is of paramount importance in an all-electric ship. In the literature, shipboard power systems (SPS) have been designed for improved survivability and quality of service (QOS) requirements. This paper presents a two-level topology design approach and develops system-level architectures for SPS that ensure continuity of service and survivability in the event of outage or failure. A reliable SPS architecture is obtained by (1) the choice of topology, (2) optimally placing equipment loads within a topology, and (3) designing a reliable distribution circuit topology. First, a theoretical framework is developed to demonstrate the relationship between the reliability of a distribution circuit and the high-level topology of its connections. For the ship’s primary distribution system, a breaker-and-a-half (BAAH) topology was observed to be the most reliable. The reliability indices are further improved by optimally placing equipment loads within the BAAH topology. For zonal electric distribution (ZED) systems, an algorithm to design an optimal topology by minimizing the number of conductors while satisfying a required reliability measure is proposed. It is concluded that the reliability of a distribution circuit depends on: (1) the topology of its connections, and (2) the relative placement of equipment loads and generators. View Full-Text
Keywords: maritime power distribution systems; power system reliability; shipboard power systems; power system planning; network theory (graphs); algorithms maritime power distribution systems; power system reliability; shipboard power systems; power system planning; network theory (graphs); algorithms
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Dubey, A.; Santoso, S. A Two-Level Topology Design Framework for Reliable Shipboard Power Systems. Inventions 2016, 1, 14.

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