Electrical installation of medium and low voltage. Maintenance of electrical.

Maintenance of medium voltage boards, transformers and low voltage distribution boards, including the following services:

• For medium voltage cabinets: general cleaning, lubrication and adjustments of operating mechanisms, contact resistance measurement, review and tightening of connections, bus dielectric tests, insulation resistance of arresters, contact pressure adjustment.
• For transformers: measurement megger insulation resistance measurement, turns ratio, power factor, clean, retighten connections, inspection of nozzles, physical/chemical and chromatographic analysis for PCB´s, drying, filtration and degassment of oil.
• For low voltage distribution boards: general cleaning, operational tests, contact resistance measurements, retighten of connections.
  • CFE application permit for disconnecting the incoming line CFE.
  • Grounding network: inspection, measurement of the ohmic resistance.
  • HI-POT testing.
  • Testing of power interruptors, cleaning of fuses and maintenance of capacitors.