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Energieffektivisering gennem modelbaseret regulering og online ...

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5.9.1 Optimal fordeling af frikøling <strong>og</strong> kompressionskøleanlæg ................................................. 42<br />

5.10 Arbejdsprocedure modelbas. <strong>regulering</strong> i køleanlæg ............................................ 43<br />

6 Standardløsninger for energianlæg ...................................................................... 45<br />

6.1 Optimering af energianlæg ...................................................................................... 45<br />

6.2 Case: Kraftvarmecentral hos Novo Nordisk, Bagsværd ....................................... 45<br />

6.2.1 Problematik <strong>og</strong> situationsbeskrivelse ................................................................................... 45<br />

6.2.2 Standard tilfælde .................................................................................................................. 46<br />

6.2.3 Modelformulering ................................................................................................................ 46<br />

6.2.4 Model af gasturbine med dampkedel ................................................................................... 47<br />

6.2.5 Model af naturgasfyrede dampkedler .................................................................................. 51<br />

6.2.6 Implementering af model i pc-pr<strong>og</strong>ram <strong>og</strong> PLC .................................................................. 51<br />

7 Konklusion ............................................................................................................. 55<br />

7.1 Er der tale om standardløsninger? ......................................................................... 55<br />

7.1.1 Køleanlæg med køletårne .................................................................................................... 55<br />

7.1.2 Ressourcebehov ved implementering på køleanlæg ............................................................ 56<br />

7.1.3 Bypass-<strong>regulering</strong> på kraftvarmeanlæg ............................................................................... 56<br />

7.2 Indgriben i eksisterende <strong>regulering</strong>ssystemer........................................................ 56<br />

8 Referencer .............................................................................................................. 56<br />

9 Appendix ................................................................................................................ 57<br />

9.1 App: Model af Vestas Aircoil køletårn ................................................................... 57<br />

9.2 App: Supplerende simuleringsresultat ................................................................... 58<br />

9.3 App: Optimering (ændret nedkølingskrav på processer) ..................................... 60

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