ARTSAT
    • ARTSAT:On-Orbit
    • ARTSAT:INTRODUCTION

作品解説

衛星の6面全面に貼られた太陽電池は、衛星の唯一のエネルギー源となる重要な素子です。芸術衛星「INVADER」では、少しでも多くの電力を発生させるため、太陽電池をキューブの全6面に貼っています。宇宙用の太陽電池としてよく用いられるGaAs系太陽電池は、変換効率が30%と高く、同じ光を当てたときにより多くの電力を生みだすことができます。ここでは、INVADERの6面それぞれの太陽電池の発電量を、ディスプレイ上の帯の色や太さで表現しています。


Photovoltaic cells attached to the satellite's six faces are the only energy source and thus vital components of the satellite. In order to generate as much energy as possible for the "INVADER" art satellite, each of its six faces is equipped with photovoltaic cells. GaAs solar cells, which are often chosen as photovoltaic cells for use in outer space, are characterized by a high conversion efficiency of 30%, which allows them to produce more energy from the same amount of sunlight. The amount of electricity generated by the respective photovoltaic cells on each of INVADER's six faces is visualized on a display in the form of bars of different color and weight.

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