New Requirements of the Voltage/VAR Function for Smart Inverter in Distributed Generation Control

Yun-Su Kim, Gyeong-Hun Kim, Jae-Duck Lee and Changhee Cho
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Yun-Su Kim: Korea Electrotechnology Research Institute, Changwon 51543, Korea
Gyeong-Hun Kim: Korea Electrotechnology Research Institute, Changwon 51543, Korea
Jae-Duck Lee: Korea Electrotechnology Research Institute, Changwon 51543, Korea
Changhee Cho: Korea Electrotechnology Research Institute, Changwon 51543, Korea

Energies, 2016, vol. 9, issue 11, 1-14

Abstract: International Electronical Committee (IEC) 61850-90-7 is a part of the IEC 61850 series which specifies the advanced functions and object models for power converter based Distributed Energy Resources (DERs). One of its functions, the Voltage/VAR (V/V) control function, is used to enhance the stability and the reliability of the voltage in the distribution system. The conventional V/V function acts mainly for flattening the voltage profile as for a basic grid support function. Currently, other objectives such as the minimization of line loss and the operational costs reduction are coming into the spotlight. In order to attain these objectives, the V/V function and hence the DER units shall actively respond to the change of distribution system conditions. In this paper, the modification of V/V function and new requirements are proposed. To derive new requirements of V/V function, loss minimization is applied to a particle swarm optimization (PSO) algorithm where the condition of voltage constraint is considered not to deteriorate the voltage stability of the distribution system.

Keywords: International Electronical Committee 61850; inverter-interfaced distributed generation; smart inverter; Volt/VAR function (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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