Ende Transmission, a subsidiary of Ende Corporation, made improvements to the control and protection system internal of a three -phase transformer in the Catavi substation of the Department of Potosí.With this task is guaranteed a reliable and safe operation of the transformer, a vital part for the Energy supply to surrounding populations.

If the importance of a power transformer is taken into account, the maintenance of this equipment It is very necessary to reduce the risks of incidents, breakdowns and false shots, in addition to prolong your useful life, a fact that allows the proper functioning of the electricity grid.

According to maintenance activities, it was evidenced that some protections electromechanics denoted an advanced natural deterioration by the years of operation, in that sense The efforts were carried out for replacement in compliance with the technical and corresponding security, together with the verifications and surveys that are required in these cases.

To do this, the specialized technical personnel made the replacement of the protections electromechanics, improvements and renewal of the control-protection circuits, the system of Ducteado of the transformer, complete electrical tests and the verification of hermeticity of the 25 MVA three -phase power transformer.