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De-Energized Service
Service that can only be carried out with the power shutdown for safety reasons and practical application.

De-energized service includes the following activities on the electrical assets:
  • Cleaning of dust from the unit sub-station and distribution transformers
  • Torquing
The following assets are typically subject to de-energized service:
  • Unit sub-station
  • Transformers
  • Switchgear
De-energized service of electrical equipment has the following general attributes:
Fig. Unit substation within a building.

Fig. Dust on electrical equipment

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Fig. Thermographic (infrared) scanning of electrical equipment to identify hot spots and other signs of potential failure.

See also:

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