30kW급 단상 계통연계형 태양광발전시스템에 관한 연구

Abstract

태양광발전(Photovoltaic)은 무한정하고 대기오염, 소음, 진동 등의 공해가 없는 깨끗한 에너지원이다. 또한 유지관리가 용이하고, 수명이 길며, 설비규모의 선택과 설치공사가 쉬운 장점을 가지고 있어 많은 수요가 예상되고 있으며 최근 몇 년 사이에 태양광발전 산업분야의 규모는 태양전지의 저가화가 실현되면서 매년 30%이상의 증가율을 보이고 있다. 특히 10kW 이상의 중규모 시스템이 지속적으로 증가하고 있으며 3상 계통연계형으로 설치되어 있다. 본 논문에서는 30kW급 중규모의 태양광발전시스템을 단상 계통연계형으로 설계 설치하고 모니터링을 통하여 시스템의 운전 특성을 평가 분석하고자 한다.|Photovoltaic system is using the clean and infinite energy source, there is no air pollution, noise and vibration. and PV system operate without fuel convoy, rotation surface, high temperature and high pressure, So it is easy to maintenance, long life cycle, simple installation. Respectively international and domestic PV market growth over 30% and 40% every year. Photovoltaic power systems convert sunlight directly into electricity. A residential PV power system enables a homeowner to generate some or all of their daily electrical energy demand on their own roof, exchanging daytime excess power for future energy needs While compare preexisted generation of electric power method with PV system, PV system is more expensive, lower solar energy density, convert efficiency and depend on the weather and natural environment. Both of small size residental PV generation and large scale power generation plant, as distribution power source cut necessary for the peak power is increase, through the various government volunteer system PV system popularization business tried to promoted. So, through this paper sets out key criteria that describe a quality system and key design and installation consideration that should be met to achieve this goal. In the present, there is not insured reliability of performance and installation standards. PV system design standards need for smoothly material supply and optimal performance. In this paper, It was suggested that new installation standards for PV system setup and various simulation was performed. With according to proposed method, designed for the PV system and investigated through the simulation practically. It was applied to the 1 phases 30kW, grid connected PV system and demonstrated examination in the field. Solar array characteristics, inverter characteristics, system efficiency, performance and stability of system were considered. Proposed optimal design method was studied through the characteristics of demonstration drive analysis.