High-voltage electrical maintenance service
 

Preventive inspection of high-voltage installations 
Preventive inspection of high-voltage installations

Contract options

Service, Legislation ...

Service: SAFETY AND PREVENTION IN HIGH-VOLTAGE INSTALLATIONS

Involves an annual preventive maintenance service to detect potential faults and replace consumables. This inspection includes the following tasks:

  • Cleaning of booths and bars.
  • Checking of interlocks, mechanical elements, calibration of thermal-magnetic elements, switches and joints, oil leaks, etc.
  • Measurements of bar insulation, earth resistance…
  • Checking for activity at various points of the relay operating curves.
  • Testing and control of transformer insulating fluid.
  • Checking levels and density of the electrolyte in batteries and dischargers.

Upon completion of this inspection, a report containing all the detected incidents is prepared.

There is also the possibility of carrying out corrective maintenance.

The high-voltage electrical installation maintenance service offers the following benefits:

  • Compliance with applicable legislation.
  • Continuity of your activity under optimal conditions.
  • Prevention of more serious damage to the installations, with the resulting saving.
  • Personal safety.

The work is carried out by specialist companies which usually partner with Iberdrola.

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Legislation: SAFETY AND PREVENTION IN HIGH-VOLTAGE INSTALLATIONS

In accordance with Royal Decree 3275/82 [PDF] Footnote (*), dated 17.11.82, high-voltage electrical installations are subject to annual preventive maintenance. This means that companies or institutions that use high-voltage installations are required to conduct an annual preventive inspection of the installations.

In addition, these high-voltage installations must pass a two or three-year technical inspection (varies depending on the autonomous region) focused on personal safety (earth connections, distances, poles, gloves, etc.) and the security of supply. This technical inspection must be carried out by a company authorised by the Ministry of Industry, which requires the submission of the report to the Provincial Department of Industry.

Footnotes:

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