Variation of Solar Photovoltaic Power Estimation due to Solar Irradiance Decomposition Models

Eul-Hyo Jo; Hyun-Jin Lee

doi:10.7836/kses.2019.39.3.081

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2019 Vol.39, Issue 3 Preview Page Next Page

Research Article

Variation of Solar Photovoltaic Power Estimation due to Solar Irradiance Decomposition Models 일사량 직산분리 모델에 따른 표준기상연도 데이터와 태양광 발전 예측량의 불확실성

30 June 2019. pp. 81-99

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Abstract

Long-term solar irradiance data are required for reliable performance evaluation and feasibility analysis of solar photovoltaic systems. However, measurement data of the global horizontal irradiance (GHI) are only available for major cities in Korea. Neither the direct normal irradiance (DNI) nor the diffuse horizontal irradiance (DHI) are available, which are also needed to calculate the irradiance on the tilted surface of PV array. It is a simple approach to take advantage of the decomposition model that extracts DNI and DHI from GHI. In this study, we investigate variations of solar PV power estimation due to the choice of decomposition model. The GHI data from Korea Meteorological Administration (KMA) were used and different sets of typical meteorological year (TMY) data using some well-known decomposition models were generated. Then, power outputs with the different TMY data were calculated, and a variation of 3.7% was estimated due to the choice of decomposition model.

Keywords

Solar Photovoltaic Power

Solar Irradiance Decomposition Model

Global Horizontal Irradiance

Typical Meteorological Year Data

키워드

태양광 발전

일사량 직산분리 모델

수평면 전천일사량

대표기상년도 데이터

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 39
No :3
Pages :81-99
Received Date : 2019-05-16
Revised Date : 2019-06-20
Accepted Date : 2019-06-24
DOI :https://doi.org/10.7836/kses.2019.39.3.081

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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