[其它]Modeling and comparison on protection schemes of a future shipboard power system

Abstract—This paper discusses several fault protection K@osD7-  
methods for a notional future shipboard power system(SPS), i \lr KA  
highlighting their merits and drawbacks. Typical shipboard {Q]7!/>>  
power systems have radial topologies and simplex structures, ?=kH}'igq  
and the existing protective analysis of SPS is regardless of n36@&q+B&  
various operating modes. In this paper, the newly considered YxU->Wi]G  
system is ladder-shaped with three typical operating modes, 33hP/p%  
each mode has different topology. A software PSCAD/EMTDC PqyR,Bcx0  
is used to simulate the system and study it as a whole. Multiple ~:_10g]r  
protection methods are applied to it, particular attention is fG.6S"|M  
given to the selectivity of these protections. The paper is O0pXHXSAL  
intended as a guide to aid designers in selecting adequate E J6|y'  
protection schemes for new systems, for evaluating existing d=\\ik8  
systems, and for future researches on new protection schemes, NJoHrhC='  
to minimize fault damage. These topics are presented in two  _qt  
separate parts. Part 1 covers scope, introduction, the model bsI?=lO  
simulation, and problems of the traditional protection gotten Xo.3OER  
from simulation and experiment. Part 2 simulates and discusses Q4N0j' QA  
multiple clas .. m,w^,)  
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