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http://dx.doi.org/10.5762/KAIS.2011.12.6.2698

Optimal Operation System of Step Voltage Regulator in Primary Feeders with Distributed Generations  

Son, Joon-Ho (Information School, Korea University of Technology)
Heo, Sang-Won (Information School, Korea University of Technology)
Rho, Dae-Seok (Information School, Korea University of Technology)
Kim, Eui-Hwan (KEPRI)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.6, 2011 , pp. 2698-2706 More about this Journal
Abstract
This paper deals with the optimal operation algorithm of SVR(Step Voltage Regulator) which is located with primary feeders and proposes the optimal operation system to evaluate customer voltage. The existing algorithm of SVR adapts the constant sending voltage method, which may cause the power quality problems such as overvoltage and under voltage variations in case where the distributed generations are interconnected with the primary feeders. Therefore, this paper proposes the optimal algorithm of LDC method for SVR using least square method to obtain the optimal setting values. Also, this paper presents the optimal evaluation system based on the former algorithm. The simulation results according to the types and capacities of distributed generations shows the effectiveness.
Keywords
Distributed Generations(DG); ULTC(Under Load Tap Changer); SVR(Step Voltage Regulator); LDC(Line Drop Compensation);
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