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DS DS/CWA 45547 Manual for determination of combined heat and power (CHP)


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DS DS/CWA 45547 Document Information:

Title
Manual for determination of combined heat and power (CHP)

Manual til bestemmelse af kombineret varme og energi (CHP)

Dansk Standard

Publication Date:
Nov 19, 2004

Scope:

CHP can make significant fuel and emissions savings over conventional, separate forms of power generation and heat-only boliers. The generation of electricity from power stations is generally at efficiencies in the range 30-5 %, based on the Net Calorific Value (NCV) or Lower Heating Value (LHV) of the fuel. Further losses occur in the transmission and distribution of electricity to costumers. This means that 45-70 % of the energy content of the fuel is not usefully employed. This unutilised energy content is rejected as heat directly to the atmosphere or into seas or rivers. The generation of electricity and the recovery of heat in CHP plants typically achieve overall efficiencies of 70-90 % and above, corresponding to efficiencies of heat only boliers. The higher the overall efficiency and the power to heat ratio, the more effective the CHp process.

Keywords:

AWARD
BLOCK HEATING AND POWER STATIONS
BLOCK HEATING STATIONS
CERTIFICATION
COGENERATION
COMMISSIONING
CONCEPTS
COUPLING
DEFINITION
DEFINITIONS
DESIGN
DISTANT HEATING
DISTRIBUTION OF ELECTRICITY
DISTRICT HEATING
ELECTRIC ENERGY
ELECTRIC POWER GENERATION
ELECTRIC POWER STATIONS
ELECTRIC POWER SYSTEMS
ELECTRICITY
ENERGY
ENERGY CONVERSION
ENERGY ECONOMICS
ENERGY SUPPLY SYSTEMS (BUILDINGS)
ENERGY TECHNOLOGY
ENVIRONMENT
FORCE
GAS TURBINES
GAS-TURBINE ELECTRIC POWER STATIONS
GENERATING PLANTS
HEAT
HEAT GENERATION
HEAT SUPPLY
HEAT TRANSFER
HEATING AND POWER STATIONS
HEATING

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