Analytical identification of the influence coefficient of the receivers equivalent number and applications

In the domain of electrical installations, as in many other areas where theoretical researches are intertwined with the experimental ones, there are some dependencies that are known and used in the initial given form, which can be graphically or tabular. Correction of the demand coefficients based on the equivalent number of receivers, the protection characteristics of the fuses and the photometric curves of luminaires are just some representative examples, in this regard. The development of some researches, expressing analytically the various conditions and requirements of characteristics for electrical devices, the parameters specific to consumption or correct, reliable and selective functionality, have led to the necessity of the analytical identification of the dependencies known graphical or tabular. This paper, first of all, presents the program developed by the authors, in LabVIEW for the optimal analytical identification, of the dependencies known graphical or tabular. The program running results are presented bellow in order to identify the influence coefficient dependence on the demand coefficients, in relation with the equivalent number of receivers. One identified function is then used in analytical solving of two applications, extremely actual in the domain of low voltage electrical installations.