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Z-source Circuit Breakers in Naval Power Systems

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Author
Taft, William
Date
2019-05
Advisor
Kirtley, James L.
Second Reader
Leeb, Steven B.
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Abstract
New power system components and controls are needed to facilitate the US Navy's move to MVDC systems on future vessels. Integrating the z-source circuit breaker into a "typical" naval MVDC power system requires understanding system dynamics that may cause the breaker to inadvertently energize a circuit through regenerative turn-on of the thyristor. A scale model and a simulation model are used to characterize voltage transients that could lead to this false triggering. Limits in the breaker's protective capabilities during turn-on transients are identified. Topology modifications, control schemes, and power system arrangements that provide protection across the operating range are proposed for further investigation.
Description
CIVINS (Civilian Institutions) Thesis document
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
URI
https://hdl.handle.net/10945/63190
Collections
  • 1. Thesis and Dissertation Collection, all items
  • 3. CIVINS (Civilian Institutions) Theses and Dissertations

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