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http://dx.doi.org/10.5207/JIEIE.2012.26.1.044

Calculation of the Area of Vulnerability to Voltage Sags by using Impedance Building Algorithm  

Park, Jong-Il (부경대학교 전기공학과)
Park, Chang-Hyun (부경대학교 전기공학과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.26, no.1, 2012 , pp. 44-53 More about this Journal
Abstract
This paper presents a method to calculate the area of vulnerability by using the impedance building algorithm. The installation of DG (Distributed Generation) is one of the countermeasures against voltage sags in power systems. In order to estimate the effect of the DG, the voltage sag assessment should be performed based on the area of vulnerability and system fault statistics. To determine the area of vulnerability, system impedance matrix should be calculated. The calculation of the impedance matrix of large systems is time-consuming task. This paper addresses an effective scheme to calculate the area of vulnerability and system impedance matrix.
Keywords
Area of Vulnerability; Distributed Generation; Power Quality; Voltage Sags;
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