INDUSTRIES

Power Generation

An overview of hazardous-area applications across power plants, fuel handling systems and auxiliary facilities.

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Power Generation

DESCRIPTION

Specific areas in power generation facilities contain natural gas, hydrogen, fuel vapours, oil mists, or combustible coal and biomass dust. Gas and vapour areas are classified as Zone 0, 1 or 2 under IEC/ATEX, or Class I, Division 1 or 2 under NEC; dust areas are classified as Zone 20, 21 or 22, or Class II, Division 1 or 2. Electrical equipment must match the assigned classification, substance group and temperature limit.

REPRESENTATIVE HAZARDOUS ATMOSPHERES

  • Natural gas
  • Hydrogen
  • Fuel vapours and oil mists
  • Coal dust
  • Biomass dust

TYPICAL APPLICATION LOCATIONS

  • Gas turbine enclosures
  • Fuel storage and transfer areas
  • Coal mills and pulverizers
  • Conveyor transfer points
  • Hydrogen-cooled generator areas
  • Battery rooms