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Performs pre-use inspections on installation or renovation of commercial electrical facilities (electrical facilities to produce and sell electricity, including power generators, transformers and transmission route) and performs periodic inspections on commercial electrical facilities (2, 4 years).

Pre-use inspection

Content:

Inspection to determine whether the installation condition of an electrical facility is in accordance with the approved (reported) construction plan and the technical standards.

Target:

  • Water, thermal power, combined cycle thermal, internal combustion power, fuel battery, solar energy, bio mass, wind power generator.
  • Transformer and transmission routes.
  • Power distribution routes (common purpose tunnel or electricity tunnel with length greater than 500m only.)

Periodic inspection

Content:

Periodic inspection once every two to four years to determine whether the operational/maintenance conditions of electrical facilities in use are in accordance with the technical standard.

Target:

Water, thermal power, combined cycle thermal, internal combustion power, wind power, solar energy, fuel battery power plant.

Time

  • Steam turbines for thermal, or combined cycle thermal power plant: more than once every 4 years.
  • Boilers, gas turbines, heat exchangers and power generators for thermal, combined cycle power or internal power
  • plants: more than once every 2 years.
  • Internal combustion engines for internal power plants: more than once every 4 years.
  • Water turbines, power generators for water power plants: more than once every 4 years.
  • Wind turbines and power generators for wind power plants: more than once every 4 years.
  • Solar batteries and electrical facilities for solar energy power plants: more than once every 4 years.
  • Fuel battery electrical facility systems for solar energy power plants: every time the fuel battery is changed.