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Technical rule [CURRENT]

VDI 4608 Blatt 2:2008-07

Energy systems - Combined heat and power - Allocation and evaluation

German title
Energiesysteme - Kraft-Wärme-Kopplung - Allokation und Bewertung
Publication date
2008-07
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EXCEL
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Original language
German, English
Pages
71

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Publication date
2008-07
Product with additional digital content.
EXCEL
Additional digitale content will be provided based on format and purchase option. Please note any information in the document.
Original language
German, English
Pages
71

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Short description
The aim of this guideline, which follows on from the definitions and examples provided in VDI 4608 Part 1, is to evaluate the efficiency of the combined generation or conversion of different target energies and to present different allocation methods, in conjunction with a recommendation for a scientifically based procedure. In practice total costs have until now frequently been apportioned to the target products by the remainder value method. The present guideline proposes a differentiated procedure for this: It is recommended that the exergy loss method [1 to 3] be applied for allocating the primary energy, emissions and variable costs to the target energies. As regards allocation of fixed costs, it is recommended, in the event that a straightforward assignment is not possible, that apportionment be based on the ratio of plant costs at the time of investment in the reference plants and supplying heat and power.
Content
ICS
27.010
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