This kind of work requires a continuous human resources specialization, developing skills in a global intervention area:

 

Low Voltage

• Remodeling of underground transformer posts, including the transition from 5kV to 15kV;

• Insertion of electrical distribution boards (T1, T2 and CPV's) in the electrical distribution system, replacement of main switch boards in transformer posts;

• Execution of junctions/ transitions in the underground and aerial electrical network.

 

Maintenance and Cleaning of Transformer Posts

• Cleaning by suction and interior painting of transformer posts;

• Maintenance of transformers and cutting, control and protection equipments.

 

Medium Voltage (Distance, Contact and Potential)

• Replacement/ Insertion of supports/structures;

• Isolation replacement; 

• Motorization of existing switches;

• Insertion of IAR's/ IAT's in the existing electrical distribution system;

• Replacement of 15kV electrical conductors up to 3x1250m;

• Replacement of the conical splices by compression splices.

 

High Voltage up to 400kV (Distance and Potential)

• Replacement and/ or stringing of anchoring / suspension chains;

• Replacement / Insertion of supports and/or metallic structures;

• Hot spots elimination;

• Connection of overvoltage arrestor in substations;

• Assembly of storks nesting structures;

• Insulators washing;

• Setting of Emergency Restoration Systems (ERS).

 

Mobile Transformer Posts

• Installation and connection (MV/LV) of emergency transformer posts (630kVA/15kV) for the modification, amplification and maintenance of overhead and underground transformer posts.

 

Tailor-Made Works at Any Voltage Level

• Stringing of OPGW cable, up to 400kV;

• Laying cables in substations, up to 400kV.

 

Works in the Vicinity of Overhead Lines at Any Voltage Level

• Installation of ADSS cable;

• Very high voltage lines up rating;

• Installation of conductor cables.