Design of Step Voltage Regulator Based on IGBT

Min-Gu Lee, Jong-Bin Kim, Kwang-Jae Park, Ju-Won Song, Ye-Jung Kim and Jae-Eon Kim ()
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Min-Gu Lee: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Jong-Bin Kim: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Kwang-Jae Park: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Ju-Won Song: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Ye-Jung Kim: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
Jae-Eon Kim: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea

Energies, 2024, vol. 17, issue 3, 1-20

Abstract: The introduction of distributed generation (DG) into distribution systems is expanding due to carbon neutral policies. DG with intermittent output characteristics brings frequent voltage variations in distribution systems. Generally, a step voltage regulator (SVR) is installed in the long distribution line and controls its voltage, which has limits of stable voltage regulations due to the slow tap-changing rate, switching losses, and short life span. To solve those problems, this paper proposes an IGBT-based SVR using zero-voltage switching. It is verified that the stable operation can be obtained through simulation by PSCAD/EMTDC 4.6 software and empirical experiments.

Keywords: distribution systems; tap-changing transformer; step voltage regulator; zero-voltage switching; IGBT (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: 2024
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