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http://dx.doi.org/10.5762/KAIS.2015.16.2.1355

A Study on the Modeling of Step Voltage Regulator and Energy Storage System in Distribution System Using the PSCAD/EMTDC  

Kim, Byungki (Electrical Electronics & Communication Engineering, Korea University of Technology and Education)
Kim, Giyoung (Electrical Electronics & Communication Engineering, Korea University of Technology and Education)
Lee, Jukwang (Electrical Electronics & Communication Engineering, Korea University of Technology and Education)
Choi, Sungsik (Electrical Electronics & Communication Engineering, Korea University of Technology and Education)
Rho, Daeseok (Electrical Electronics & Communication Engineering, Korea University of Technology and Education)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.16, no.2, 2015 , pp. 1355-1363 More about this Journal
Abstract
In order to maintain customer voltage within allowable limit($220{\pm}13V$), tap operation of SVR(step voltage regulator) installed in primary feeder could be carried out according to the scheduled delay time(30 sec) of SVR. However, the compensation of BESS(battery energy storage system) is being required because the customer voltages during the delay time of SVR have a difficultly to maintain within allowable limit when PV system is interconnected with primary feeder. Therefore, this paper presents modeling of SVR to regulate voltage with the LDC(line drop compensation) method and modeling of BESS to control active and reactive power bi-directionally. And also, this paper proposes the coordination control modeling between BESS and SVR in order to overcome voltage problems in distribution system. From the simulation results based on the modeling with the PSCAD/EMTDC, it is confirmed that proposed modeling is practical tool for voltage regulation analysis in distribution system.
Keywords
Battery Energy Storage System; Step Voltage Regulator; Line Drop Compensation; Allowable Limit($220{\pm}13V$); Coordination Control Modeling; Distribution System;
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