By Mark Foley.  Combined Heat and Power is the generation of electricity and usable heat simultaneously from the same fuel input.  Electricity primarily.

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Presentation transcript:

By Mark Foley

 Combined Heat and Power is the generation of electricity and usable heat simultaneously from the same fuel input.  Electricity primarily used on-site, but can be sold back to grid.  Thermal energy used for heating/cooling or process applications

 Large Scale  Small Scale  Micro

 Generation of electricity while using heat produced.  Higher efficiency  Use of waste or byproduct fuel  On-site electric generation avoids distribution costs (7%)  Increased reliability and power quality

 Must be Simultaneous Demand for Heat & Electricity  Large Capital & Maintenance costs.  Require back up of power and heat  Noise from CHP units

Gas Turbine  Steam Boiler/ Steam Turbine

 Spark Ignition up to 4 MW  Compression Ignition – 15 MW  Exhaust Gases around 400°C  Water or Lubricating oil Systems (70 -80°C)  Ratio of 2:1 Spark Ignition Compression Engine Stirling Engine →

Summary of Prime Movers Electrical Output (Mwe) Typical Fuels Primary Energy Savings (%) Gas Turbine0.5 >FlexibleUp to 30 Steam Turbine0.5 >Flexible5 to 20 Spark IgnitionUp to 4GasUp to 30 Compression Ignition 2 to 15 Gas/ Heavy Fuel Oil Up to 30 Micro Turbines Up to 50 Kwe GasUp to 30 Sterling Engines 1 to 25 Kwe FlexibleUp to 20

 Base load of Heat & Power exceeding 4000 hours yearly  Base Electrical Load  Base Heating Load  Hotels  Nursing/Residential Homes  University Campuses

 CHP can help deliver the green agenda  Development of more efficient technologies  Buildings & Industries can reduce carbon footprint  Still a large capital cost

 Design of CHP system for the buildings use.  Reducing CO 2 emissions from buildings.  Task for BSE to design and produce these types of efficient systems.

Questions?