The radiant energy from the sun is partly converted to electricity by photovoltaic cells in thermal contact with a solar heat absorber, and excess heat generated in the photovoltaic cells serves as input for the thermal system.
(The radiant energy from the sun; is partly converted; to electricity; by photovoltaic cells in thermal contact with a solar heat absorber) (excess heat; generated; L:in the photovoltaic cells) (excess heat generated in the photovoltaic cells; serves; as input for the thermal system)
The radiant energy from the sun excess heat excess heat generated in the photovoltaic cells
is partly converted generated serves
to electricity by photovoltaic cells in thermal contact with a solar heat absorber
L:in the photovoltaic cells
as input for the thermal system