Sistema solar de receptor centralcon un campo de heliostatos compuestos deal menos un campo cercano y, segun la potencia necesaria sobre el area meta del recptor, tambien de un campo lejano; y procedimiento para el diseño de un campo de heliostatos

摘要

The aim of the invention is to build central receiver solar power plants in which the heliostat fields can be used more efficiently. To achieve said aim, a heliostat field consisting of a near field having a uniform reflector surface densityρof more than 60% is preferably combined with a far field whose reflector surface densityρdecreases as the distance from the receiver increases. The invention also comprises central receiver solar power plants which consist exclusively of a near field having a uniform reflector surface densityρof more than 60%. The high reflector surface densityρin the near field and in areas of the far field is achieved by the use of heliostats having rectangular reflectors and a rigid horizontal axle suspension (FHA) or, alternatively, by heliostats having rectangular reflectors and a rigid quasipolar axle suspension (FQA). The heliostat field concentrates the solar radiation on a receiver whose target surface, aperture, thermal absorber or photovoltaic absorber has a normal vector which is directed downward to the heliostat field that extends below the receiver in the directions North, East, South and West. The receiver is mounted in a suspended manner to a support structure that extends over the heliostat field.