Title Page

  • Conducted on

  • Prepared by

  • Site

  • Location
  • Winter / Summer?


    Substation Summary
  • Substation Reference

  • Inspection Carried Out By

  • Conducted On

  • Tx Type

  • Size (kVA)

  • Serial Number

Inspection as per manual

  • Check Gaskets and sealing at the transfomer and if necessary, retighten screws/bolts slightly. Include pictures.

  • Keep insulators clean. Provide pictures.

  • Remove rust and recoat/repair the surface concerned. Include pictures.

Annual Inspection

  • Check status of visual and acoustic indicators. Provide images.

  • Check dielectric stiffness (once every 5 years). Provide images.

  • Check moisture content of oil (once every 5 years). Provide images.

  • Visual inspection of termination sleeves. Include pictures.

  • Visually inspect the earthing electrodes. Include pictures.

  • Check condition of protection. Include pictures.

  • Visual inspection sealing of all joints. Include pictures.

  • Inspection of mechanical circuit breakers. Provide images.

  • Status and operation of the circuit breaker interlocks. Provide images.

  • Lubrication of circuit breakers. Include pictures.

  • Visual inspection of instrument transformer. Provide images.

  • Press contact and review of instrument transformer connections. Provide images.

  • Check condition of insulators and bus bars. Include pictures.

  • Check status of insulators, connections and bus bars. Include pictures.

  • Testing of earth connections. Provide images and results.

  • Check operation of protection relays. Provide images.

  • "Check alarm and trip signals of temperature. Include pictures.

  • Check operation of auxiliary relays. Include pictures.

  • Check operation of alarms. Provide images.

  • Visual inspection of transformers. Provide images.

  • Check for oil leaks (if appropriate), strange noises and overheating. Include pictures.

  • Visual inspection of grounding. Provide images.

  • Cleaning of transformer surroundings. Include pictures.

  • Inspection and checking of transformers. Provide images.

  • Earthing insulation measurement. Provide images and results.

  • State of paint and oxidation. Sanding and painting with anti-oxidant paint (if required). Include pictures.

  • Functional tests of auxiliary circuits (cooling system, switch, protections, Buchholz, thermometer etc.). Provide images.

  • Check continuity of grounding mesh. Include pictures.

The templates available in our Public Library have been created by our customers and employees to help get you started using SafetyCulture's solutions. The templates are intended to be used as hypothetical examples only and should not be used as a substitute for professional advice. You should seek your own professional advice to determine if the use of a template is permissible in your workplace or jurisdiction. You should independently determine whether the template is suitable for your circumstances.