PV power plants installed in arid lands can generate large amounts of power because of fine weather. However, sand accumulation on PV modules decreases the generated power in such area. It is not desirable using water to remove the sand in arid land. Electric field curtain (EFC) is one of a promising method to remove the sand without using water. If EFC is adopted to PV modules, high-voltage conductor is placed very near the PV cells. In this paper we report on the effects of high voltage conductors placed on the PV module surface on the power generation characteristics. It is shown that high voltage stress at high temperature may degrade the power generation performance.
