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태양광 모듈의 전압 및 전류 파형을 이용한 부정합 진단 기법Diagnosis Method of PV Module Mismatch using Voltage and Current Waveforms
- Other Titles
- Diagnosis Method of PV Module Mismatch using Voltage and Current Waveforms
- Issue Date
- 2011
- Publisher
- 한국태양에너지학회
- Keywords
- PV system; Module mismatch; Diagnosis of Mismatch; Operating Point Factor; 태양광 발전 시스템; 모듈 부정합; 부정합 진단; 동작점 계수
- Citation
- 한국태양에너지학회 논문집, v.31, no.3, pp 17 - 22
- Pages
- 6
- Journal Title
- 한국태양에너지학회 논문집
- Volume
- 31
- Number
- 3
- Start Page
- 17
- End Page
- 22
- ISSN
- 1598-6411
- Abstract
- TechniquesformismatchlossminimizationtoincreasethePV system efficiencyareunderdevelopmentrecently. Inthispaper,amethodtomakediagnosisofPV modulemismatchispresented,whichusesaconceptofoperating pointfactor.ThemethodisbasedonthefactthattheratiooftheincrementalconductanceofaPV moduleto instantaneousconductanceis1when themoduleisoperating atitsmaximum powerpoint.Thevariationsof modulevoltageandcurrentaretakingplacebythemaximum powerpointtrackerinthepowerconditioningunits ofPV system.TheeffectivenessofthemethodisverifiedthroughanapplicationtoarealPV system.
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