Considerações de projeto de um radiômetro solar de equivalência elétrica.

Abstract

In this work are shown considerations about project of a solar radiometer of eletrical equivalence. Considerations are done in relation to the sensor and possible configurations to implement. Among these, configurations show themselves in autoequilibrated bridges and with controlled current sources and are done comparasions among them. Also, it is discussed the sensor excitacion forms, it can be under the analogical form or modulating pulses in width. It is shown an implement of a radiometer with two sensors, one painted in black and the other in white, with modulation in pulse width.