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Thermal and Hydro Power Systems

Hitachi

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Simple Cycle

Item Unit H-25 H-15
Natural Gas Distillate Oil Natural Gas
Output kW 31,000 30,000 16,900
Efficiency %(LHV) 34.8 33.6 34.3
Heat Rate kJ/kWh 10,340 10,714 10,500
Btu/kWh 9,806 10,157 9,950

ISO Condition

  • Operation Temperature : 15degrees celsius
  • Inlet Pressure Drop : 3.5 inch H2O
  • Outlet Pressure Drop : 2.5 inch H2O

NOx Emission

Combustor Fuel NOx Abatement Injection Flow (%*1) NOx ppm (15% O2)
Conventional Combustor Natural Gas - 0 188
Steam 2.5 53
Water 3.0 25
Distillate Oil - 0 264
Steam 2.5 74
Water 3.0 42
LNC (Single Fuel Type) Natural Gas Dry 0 25
LNC (Dual Fuel Type) Natural Gas Dry 0 25
Distillate Oil Water 2.5 42
*1
Mass flow ratio to inlet air
  • Ambient Temperature : 15degrees celsius
  • Relative Humidity : 60%
  • Operation Condition : Base Load
  • LNC: Low NOx Combustor