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다중펄스 컨버터와 PWM 컨버터로 구성된 Back-to-Back 컨버터의 계통연계 성능 분석Performance Analysis of Grid Connected Back-to-Back Converter Composed of Multi-pulse Converter and PWM Converter

Other Titles
Performance Analysis of Grid Connected Back-to-Back Converter Composed of Multi-pulse Converter and PWM Converter
Authors
정종규심명보이혜연한영성정정주장병훈한병문
Issue Date
Dec-2010
Publisher
전력전자학회
Keywords
VSC(Voltage Source Converter); Multi-pulse converter; Three-level NPC(Neutral point clamped) converter; PSCAD/EMTDC simulation
Citation
전력전자학회 논문지, v.15, no.6, pp 451 - 459
Pages
9
Indexed
KCI
Journal Title
전력전자학회 논문지
Volume
15
Number
6
Start Page
451
End Page
459
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/193857
DOI
10.6113/TKPE.2010.15.6.451
ISSN
1229-2214
2288-6281
Abstract
본 논문은 대규모 풍력단지를 교류 전력망에 연계하기 위한 3-레벨 PWM 컨버터와 3-레벨 24-펄스 컨버터로 구성된 하이브리드 Back-to-Back 컨버터의 성능을 비교한 결과에 대해 기술하고 있다. 또한 3-레벨 24-펄스 컨버터를 점호각만 제어하는 경우와 영 전압제어를 같이 수행하는 경우 각각이 제어와 고조파레벨에 미치는 영향을 비교분석하였다. 구체적인 성능비교를 위해 먼저 PSCAD/EMTDC 소프트웨어를 사용하여 시뮬레이션을 실시하고 이를 바탕으로 2 kVA 용량의 하드웨어 축소모형을 제작하고 실험을 실시하였다. 시뮬레이션과 실험을 통해 영전압과 점호각을 동시에 조절하는 방식과 점호각만 제어하는 방식의 성능비교분석을 하였다.
This paper describes the performance comparison results for a hybrid back-to-back converter, which is composed of a 3-level 24-pulse converter and a 3-level PWM converter, in order to interconnect a large scale wind farm with the power grid. Also it describes the performance comparison results when the 24-pulse converter operates in only firing-angle control, and both firing-angle and the zero-voltage control. For the purpose of systematic performance comparison, computer simulations with PSCAD/EMTDC software were carried out, and based on simulation results a scaled hardware model with 2 kVA rating was built and tested.
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COLLEGE OF ENGINEERING (MAJOR IN ELECTRICAL ENGINEERING)
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