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정지훈

Jung, Jee-Hoon
Advanced Power Interface & Power Electronics Lab.
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Small-Signal Modeling and Controller Design of Grid-Connected Inverter for Solid State Transformer

Alternative Title
반도체 변압기용 단상 계통 연계형 인버터의 소신호 모델링과 제어기 설계
Author(s)
김보경이준영정지훈
Issued Date
2017-01
DOI
10.5370/KIEE.2017.66.1.40
URI
https://scholarworks.unist.ac.kr/handle/201301/21162
Fulltext
https://www.dbpia.co.kr/Journal/ArticleDetail/NODE07087599
Citation
TRANSACTIONS OF THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS, v.66, no.1, pp.40 - 47
Abstract
In this paper, a small signal model for grid-connected inverter with unipolar pulse width modulation method is presented. Small-signal analysis allows to predict the stability and dynamics of the inverter. To regulate output voltage and to achieve power factor correction, inverter has two control loops. Loop gains are useful to identify the stability for multi-loop controlled system. Based on small-signal model, controllers are designed to improve audio susceptibility and output impedance characteristics. Proposed small-signal model and controllers are verified by PSIM simulation and experiments.
Publisher
Korean Institute of Electrical Engineers
ISSN
1975-8359

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