Tests 

Lab tests

• Fractographic characterizations and metallographic analyses
• Evaluation of materials

• Testing intelligent electronic devices (DEI in Spanish)
• Electromagnetic compatibility
• Testing protective relay equipment
• Testing control systems
• Temperature and humidity

• Electrical tests
• Warming-cooling cycles to connectors for cables up to 1113 KCM
• Diagnosis for lightning arresters, up to 400 kV
• Temperature rise (Test equipment up to 6000 A, monophasic and triphasic)
• Measuring the corona, radio-interference, partial discharges, capacitance, dielectric and humidity losses in sulphur hexafluoride gas (SF6)
• Cable testing (Test equipment for cables up to 230 kV)
  Tests involving 60 Hz tension, with one or two sources simultaneously (Test equipment up to 1000 kV)
• Tests for impulse tension (Test equipment up to 3500 kV lightning; 2600 kV maneuver)
• External insulation tests in a contaminated environment (Test equipment up to 500 kV)
• Tests for high potency low tension short circuits. 150 MVA – 1 second, 5 continuous MVA, from 184 to 1700 volts.
• Tests for high potency short circuits, 2200 MVA – 0.3 seconds
• Simultaneous testing of impulse tension and 60 Hz tension
• Life testing of polymeric insulators and coatings
• Prototype testing of distribution transformers
• Prototype testing of watt-hour meters

• Mechanical tests
• Evaluation and diagnosis of insulated hydraulic cranes working on energized lines
• Corrosion control methods in: anti-corrosive coatings, cathodic protection, corrosion inhibitors and use of non-metallic materials
• Mechanical testing for cables, insulators, ironworks and safety equipment

• Chemical tests
• Analysis of insulating oils
• Analysis of polychlorinated biphenyl content in insulating oils
• Physiochemical analysis of oils and water
• Gas chromatography
• Dielectric rigidity