QAB angalore 20070525 by 86X4kk39

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									                     Workshop on Combined Heat & Power

                                India, May/June 2007


                      Procedures for determining and certifying
                      Combined Heat and Power (CHP) systems

                             Life Long Learning (3L) Programme

                                   Questions & Answers
                                       Bangalore




                                                                                                S OF
                                 Workshop on Combined Heat & Power   Karsten Brinkmann/Christian Folke
Status: 22.05.2007                                                                              BID
                                               Q&A1
                QUESTION:
                Explain once more power to heat ratio sCHP and
                power loss coefficient (b)?

            ANSWER:

            1. power loss coefficient (b)?
            If for a CHP plant at constant fuel load (f) the electricity
            generation (p) is reduced when heat (q) is extracted the power
            loss coefficient is Dp/Dq (see CWA pages 24, 38 and 42). dp is
            therefore the condensing electricity that IS NOT generated
            because of heat generation.
            2. Power to heat ratio sCHP
            The power to heat ratio determines the CHP electricity (pCHP) that
            IS generated simultaneously together with heat generation
            (qCHP).

                                                                                                S OF
                                 Workshop on Combined Heat & Power   Karsten Brinkmann/Christian Folke
Status: 22.05.2007                                                                              BID
   CHP with steam turbines (back pressure vs. extraction condensing)

                                            variable power to heat ratio




                                                                                        S OF
                         Workshop on Combined Heat & Power   Karsten Brinkmann/Christian Folke
Status: 22.05.2007                                                                      BID
                                                Q&A2
                QUESTION:
                Technologies for small scale biomass gasification?


            ANSWER:
            ... outstanding ...




                                                                                                 S OF
                                  Workshop on Combined Heat & Power   Karsten Brinkmann/Christian Folke
Status: 22.05.2007                                                                               BID

								
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