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RETScreen - Combined Heat & Power (Cogeneration)
e-Textbook chapter
- 2. RETScreen CHP (Cogeneration) Project Model
- 2.1 Heating Project Load and Energy Calculation
- 2.1.1 Site climatic conditions
2.1.2 Equivalent degree-days for hot water heating
2.1.3 Calculation of peak heating load
2.1.4 Heating load duration curve
2.1.5 Monthly average load and peak load period
2.1.6 Process heat
2.1.7 Equivalent full load hours
2.1.8 Energy efficiency measures
- 2.2.1 Site climatic conditions
2.2.2 Equivalent degree-days for base load cooling
2.2.3 Calculation of peak space cooling load
2.2.4 Cooling load duration curve
2.2.5 Peak load period, total energy use, etc.
2.2.6 Process cooling
2.4 Equipment for Combined Heat and Power
- 2.4.1 Steam turbine
2.4.2 Steam turbine with extraction port
2.4.3 Gas turbine
2.4.4 Combined cycle gas turbine
2.4.5 Reciprocating engine, fuel cell, or other power equipment consuming fuel
2.4.6 Geothermal system
- 2.5.1 Load met by the base, intermediate and peak systems
2.5.2 Power generating system availability
2.5.3 Operating strategy
- 2.6.1 Calculation of peak heating load
2.6.2 Calculation of peak cooling load
2.6.3 Calculation of base case fuel consumption
2.6.4 Calculation of fuel heating value of biomass fuels
2.6.5 Network design
2.6.6 Landfill gas generation
- 2.7.1 Validation of load duration curve
2.7.2 Validation of heating value algorithm
2.7.3 Validation of district heating network design
- 2.8.1 Methodology
2.8.2 Load and energy calculations
2.8.3 Distribution pipe sizing
2.8.4 Fuel heating values
2.8.5 Reciprocating engine
2.8.6 Gas turbine
2.8.7 Steam turbine
2.8.8 Chillers
2.8.9 Steam properties
2.8.10 CHP system energy allocation
2.8.11 Conclusions
