A Novel Simulation Method for PV Power Generation System using Real Field Weather Condition and its Application

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  • 実天候条件を用いた太陽光発電システムの新しいシミュレーション方法及びその応用例
  • ジツ テンコウ ジョウケン オ モチイタ タイヨウコウ ハツデン システム ノ アタラシイ シミュレーション ホウホウ オヨビ ソノ オウヨウレイ

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Abstract

In order to verify the efficiency or availability and stability of photovoltaic generation systems, huge system apparatuses are needed, in general, in which an actual size of solar panel, a type of converter system and some amount of load facilities should be installed in a particular location. It is also hardly possible to compare a MPPT control scheme with others under the same weather and load conditions in an actual PV generation system. The only and a possible way to bring above-mentioned problem to be solved is to realize a transient simulation scheme for PV generation systems using real weather conditions such as insolation and surface temperature of solar cell. The authors, in this paper, introduce a novel simulation method, which is based on EMTP and EMTDC, for PV generation systems under the real weather conditions. Firstly, VI characteristic equation of a solar cell is simulated and implemented, and then the real data of weather conditions are interfaced to EMTP and EMTDC program using Fortran program interface method. The outcome of the simulation demonstrates the effectiveness of the proposed simulation scheme. The result shows that the cost effective verifying for the efficiency or availability and stability of PV generation systems and the comparison research of various control schemes like MPPT under the same weather conditions are possible.

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