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http://dx.doi.org/10.5370/KIEE.2015.64.1.029

Method to Select Optimal Device for Mitigating Voltage Sag Based on Voltage Sag Assessment  

Lee, Kyebyung (school of Electrical Engineering, Korea University)
Han, Jong-Hoon (Korea Electrotechnology Research Institute)
Jang, Gilsoo (School of Electrical Engineering, Korea University)
Park, Chang-Hyun (Dept. of Electrical Engineering, Pukyong National University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.1, 2015 , pp. 29-34 More about this Journal
Abstract
This paper presents a method to select optimal device for mitigating voltage sags. The method is based on economic evaluation and voltage sag assessment involving sag duration as well as magnitude. The economic evaluation is performed by using the operation cost and economic benefit of the mitigation devices. The optimal device can be determined from the values of NPV (net present value) which is widely accepted in cost-benefit analysis. The proposed method can help sensitive customers to select optimal mitigation device. In this paper, the case study considering two sensitive customers was performed by using the proposed method.
Keywords
Voltage sag; Voltage sag mitigation; Power quality; NPV (net present value); Economic assessment;
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