Automatic data acquisition of power network overvoltages and of laboratory impulses

This paper presents two automatic systems for the acquisition of the overvoltages : in the network with an original device and in the two high voltage laboratories of ELECTRICITE DE FRANCE with a minicomputer. The aims of these two equipments are explained. A description of their operating conditions and capabilities is given and the criterions which led to the chosen solutions are pointed out. Finally, one reports the acquired experience.