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

Abstract—This paper discusses several fault protection Wm
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methods for a notional future shipboard power system(SPS), @JlT*:Dz  
highlighting their merits and drawbacks. Typical shipboard ELwXp|L  
power systems have radial topologies and simplex structures, 6Mc&=}bV  
and the existing protective analysis of SPS is regardless of 7%"|6dw  
various operating modes. In this paper, the newly considered Ja3#W K  
system is ladder-shaped with three typical operating modes, @TALZk'%  
each mode has different topology. A software PSCAD/EMTDC tQzbYzG
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is used to simulate the system and study it as a whole. Multiple = cxO@Fu  
protection methods are applied to it, particular attention is U[pHT _U  
given to the selectivity of these protections. The paper is e2=}qE7
 
intended as a guide to aid designers in selecting adequate \5}PF+)|  
protection schemes for new systems, for evaluating existing 1^$hbRq  
systems, and for future researches on new protection schemes, p_Xfj2E4c  
to minimize fault damage. These topics are presented in two hXI[FICQU{  
separate parts. Part 1 covers scope, introduction, the model ZiR}S  
simulation, and problems of the traditional protection gotten _(f@b1O~
 
from simulation and experiment. Part 2 simulates and discusses z\tY A  
multiple clas .. 5]*lH t  
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