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Title: Development of the Short-Circuit Capacities Curves for Distribution Systems Planning Using Matlab
Authors: Lai, Wen-Tsuan;Huang, Wei-Tzer;Chen, Shiuan-Tai;Chao, Heng-Kuan
Contributors: 工業教育與技術學系
Keywords: Complex short-circuit MVA method;Distribution system;Normally closed loop;Primary feeder;Radial;Shortcircuit capacity
Date: 2006-06
Issue Date: 2012-08-27T11:01:26Z
Publisher: IEEE
Abstract: The calculations of the short-circuit capacities (SCC’s) along a primary feeder is essential for determining the ratings of protective devices of the distribution systems, especially in the planning stage. According to the calculation results, the interruption capacities (ICs) that shall be able to withstand the mechanical and thermal stresses resulting from maximum flow of short-circuit current through them of the protection devices were
evaluated. Therefore, an easy, straightforward, rapid and systematic method, the complex short-circuit MVA method was employed to estimate the SCC’s in this paper, the SCC’s along a primary feeder dependent on the related parameters and network structure were represented by simple formulas and illustrated by curves that plotted in Matlab. It is more convenient for the distribution engineers to select the ratings of protective
devices and planning the distribution systems by the developed SCC’s curves.
Relation: 2006 IEEE Conferences on Cybernetics and Intelligent System, June 7-9, 2006
Appears in Collections:[Department of Industrial Education and Technology] Proceedings

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