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CEN TR 15316-6-8-2017 Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-8 Explanation and justification of EN .pdf

1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Energy performance of buildings - Method for calculation of system energy requirements and system efficienciesPart 6-8: Explanation and justification of EN 15316-4-5 (District heating and cooling), Module M3-8-5, M4-8-5

2、, M8-8-5, M11-8-5PD CEN/TR 15316-6-8:2017TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-8 April 2017 ICS 91.120.10; 91.140.10; 91.140.30 English Version Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-8: E

3、xplanation and justification of EN 15316-4-5 (District heating and cooling), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 Performance nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-8 : Explication et justification de lEN 15316-4-5 (Chauffage et re

4、froidissement urbains), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - Verfahren zur Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-8: Begleitende TR zur EN 15316-4-5 (Fernwrme und Fernklte) This Technical Report was appr

5、oved by CEN on 3 March 2017. It has been drawn up by the Technical Committee CEN/TC 228. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, I

6、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CE

7、NELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 15316-6-8:2017 ENational forewordThis Published Document is the UK implementation of CEN/TR 15316-6-8:2017.The UK p

8、articipation in its preparation was entrusted to Technical Committee RHE/24, Heating systems and water based cooling systems in buildings.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary p

9、rovisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 94809 1ICS 91.140.10; 91.140.30; 91.120.10Compliance with a British Standard cannot confer immunity from legal obligations. This Br

10、itish Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affectedPUBLISHED DOCUMENTPD CEN/TR 15316-6-8:2017TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-8 April 2017

11、 ICS 91.120.10; 91.140.10; 91.140.30 English Version Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-8: Explanation and justification of EN 15316-4-5 (District heating and cooling), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 Perform

12、ance nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-8 : Explication et justification de lEN 15316-4-5 (Chauffage et refroidissement urbains), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - V

13、erfahren zur Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-8: Begleitende TR zur EN 15316-4-5 (Fernwrme und Fernklte) This Technical Report was approved by CEN on 3 March 2017. It has been drawn up by the Technical Committee CEN/TC 228. CEN members are the national stand

14、ards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slova

15、kia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means

16、 reserved worldwide for CEN national Members. Ref. No. CEN/TR 15316-6-8:2017 EPD CEN/TR 15316-6-8:2017CEN/TR 15316-6-8:2017 (E) 2 Contents Page Contents European foreword . 3 Introduction 4 1 Scope 6 2 Normative references 6 3 Terms and definitions . 6 4 Symbols, subscripts and abbreviations. 6 5 In

17、dicators . 7 5.1 Output data 7 5.2 Input data and calculation time step 7 5.3 System boundaries . 8 6 Calculation methods for energy performance indicators 9 6.1 Simplified approach . 9 6.2 Detailed calculation rules . 12 7 Setting default values 20 7.1 Single-output systems 20 7.2 Multi-output syst

18、ems 21 7.3 Conventions for missing input data and cascading multi-output systems 23 7.4 Distribution networks 24 8 Calculation of energy source indicators 24 9 Report . 24 Annex A (informative) Default values 25 Annex B (informative) Calculation examples 27 B.1 Calculation example for a single-outpu

19、t district heating system (see 6.1) . 27 B.2 Calculation example for a multi-output district heating system (see 6.1) 29 B.3 Calculation example for a district electricity system (see 6.1) . 30 B.4 Example for determining the electricity-related energy flows of the cogeneration mode (see 6.2.2.1.3)

20、32 B.5 Example for calculating CHP units with different allocation methods (see 6.2.2.1.5) 34 B.6 Example for calculating RER and WHR. 37 B.7 Calculation example for a district cooling system 39 Annex C (informative) Report example . 43 Bibliography . 44 PD CEN/TR 15316-6-8:2017CEN/TR 15316-6-8:2017

21、 (E) 3 European foreword This document (CEN/TR 15316-6-8:2017) has been prepared by Technical Committee CEN/TC 228 “Heating systems and water based cooling systems in buildings”, the secretariat of which is held by DIN. This document has been prepared under a mandate given to CEN by the European Com

22、mission and the European Free Trade Association. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. PD CEN/TR 15316-6-8:2017CEN/TR 15316-

23、6-8:2017 (E) 4 Introduction The set of EPB standards, technical reports and supporting tools In order to facilitate the necessary overall consistency and coherence, in terminology, approach, input/output relations and formats, for the whole set of EPB-standards, the following documents and tools are

24、 available: a) a document with basic principles to be followed in drafting EPB-standards: CEN/TS 16628:2014, Energy Performance of Buildings - Basic Principles for the set of EPB standards 1; b) a document with detailed technical rules to be followed in drafting EPB-standards; CEN/TS 16629:2014, Ene

25、rgy Performance of Buildings - Detailed Technical Rules for the set of EPB-standards 2; c) the detailed technical rules are the basis for the following tools: 1) a common template for each EPB-standard, including specific drafting instructions for the relevant clauses; 2) a common template for each

26、technical report that accompanies an EPB standard or a cluster of EPB standards, including specific drafting instructions for the relevant clauses; 3) a common template for the spreadsheet that accompanies each EPB standard, to demonstrate the correctness of the EPB calculation procedures. Each EPB-

27、standards follows the basic principles and the detailed technical rules and relates to the overarching EPB-standard, EN ISO 52000-1:2017 3. One of the main purposes of the revision of the EPB-standards is to enable that laws and regulations directly refer to the EPB-standards and make compliance wit

28、h them compulsory. This requires that the set of EPB-standards consists of a systematic, clear, comprehensive and unambiguous set of energy performance procedures. The number of options provided is kept as low as possible, taking into account national and regional differences in climate, culture and

29、 building tradition, policy and legal frameworks (subsidiarity principle). For each option, an informative default option is provided (Annex B). Rationale behind the EPB technical reports There is a risk that the purpose and limitations of the EPB standards will be misunderstood, unless the backgrou

30、nd and context to their contents and the thinking behind them is explained in some detail to readers of the standards. Consequently, various types of informative contents are recorded and made available for users to properly understand, apply and nationally or regionally implement the EPB standards.

31、 If this explanation would have been attempted in the standards themselves, the result is likely to be confusing and cumbersome, especially if the standards are implemented or referenced in national or regional building codes. Therefore, each EPB standard is accompanied by an informative technical r

32、eport, like this one, where all informative content is collected, to ensure a clear separation between normative and informative contents (see CEN/TS 16629 2): to avoid flooding and confusing the actual normative part with informative content; to reduce the page count of the actual standard; and PD

33、CEN/TR 15316-6-8:2017CEN/TR 15316-6-8:2017 (E) 5 to facilitate understanding of the set of EPB standards. This was also one of the main recommendations from the European CENSE project 5 that laid the foundation for the preparation of the set of EPB standards. PD CEN/TR 15316-6-8:2017CEN/TR 15316-6-8

34、:2017 (E) 6 1 Scope This Technical Report refers to standard EN 15316-4-5:2017. It contains information to support the correct understanding, use and national adaptation of EN 15316-4-5:2017 2 Normative references The following documents, in whole or in part, are normatively referenced in this docum

35、ent and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15316-4-5:2017, Energy performance of buildings - Method for calculation of system energy

36、requirements and system efficiencies - Part 4-5: District heating and cooling, Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 EN ISO 52000-1:2017, Energy performance of buildings - Overarching EPB assessment - Part 1: General framework and procedures (ISO 52000-1:2017) 3 Terms and definitions For the purpos

37、es of this document, the terms and definitions given in EN ISO 52000-1:2017 and EN 15316-4-5:2017 apply. 4 Symbols, subscripts and abbreviations For the purposes of this document, the symbols, subscripts and abbreviations given in EN ISO 52000-1:2017 and EN 15316-4-5:2017 and the specific subscripts

38、 and abbreviations listed in Table 1 and Table 2 apply. Table 1 Specific Subscripts Subscript Term Subscript Term abs absorption chiller ac ambient cooling carnot carnot cch compression chiller coal coal gf gaseous fuel hn heating network infra infrastructure embedded lf liquid fuel ncv net calorifi

39、c value return return sewage sewage sludge supply supply upstr upstream chain wte waste-to-energy PD CEN/TR 15316-6-8:2017CEN/TR 15316-6-8:2017 (E) 7 Table 2 Abbreviations Abbreviation Term GCV gross calorific value MIG multi-input generation unit NCV net calorific value WTE waste to energy 5 Indica

40、tors 5.1 Output data The outcome of the calculation procedure is indicators that characterize a district energy system. The indicators are subdivided into two groups. Energy performance indicators reflect efficiency aspects as well as the source of the energy carrier. Energy source indicators dont r

41、eflect the efficiency aspects of the system but characterize the origin of the energy carrier. In 2012/27/EU Article 2 No. (41) efficiency and energy source are defined differently: “Efficient district heating and cooling means a district heating or cooling system using at least 50 % renewable energ

42、y, 50 % waste heat, 75 % cogenerated heat or 50 % of a combination of such energy and heat”. However EN 15316-4-5 does not set any efficiency requirements but provides the calculation procedures that facilitate compliance with requirements set by regulations like 2012/27/EU. RER, WHR and CHR can dir

43、ectly be used for this purpose. 5.2 Input data and calculation time step The vast majority of systems already exist so they should be assessed on the basis of measured energy data. Due to the many factors that can affect district energy systems, the indicators can fluctuate over time. For the purpos

44、e of building regulation a fluctuating energy indicator causes unwanted effects like unequal treatment of customers connected to the same system. This can be limited by basing the calculation on a broad range of data. Thus existing schemes shall be calculated using the energy data from the last thre

45、e years. If the system set-up or the fuel input mix has been changed within the last three years the calculation may be based on the energy data from a single year. Large systems supplying hundreds or even thousands of customers usually dont have the possibility to determine all input data on a mont

46、hly basis. Most energy indicators will therefore be valid for the whole year. In some special cases seasonal or monthly input data are required and available, e.g. in a trigeneration system where cooling is supplied by an absorption chiller that is supplied by a cogeneration unit. On an annual data

47、basis it would not be possible to divide the power bonus into a heating-related part and a cooling related part. Seasonal or monthly input data facilitate the determination of an accurate cooling performance indicator and a heating performance indicator. Another example is a small new system where e

48、ven the delivered energy is calculated on a monthly basis. In the determination of the final operating condition, the design conditions and manufacturing data the following developments may be taken into account: heat demand changes, changes in numbers of consumers, adaptations in generators and/or

49、energy carriers. PD CEN/TR 15316-6-8:2017CEN/TR 15316-6-8:2017 (E) 8 5.3 System boundaries If it is not possible or useful to calculate connected plants and networks together, they may be broken down into subsystems. This results in some subsystems which consume energy and others that supply energy. The energy from a supplier subsystem shall be assessed with its own energy indicators. For the consumer subsystem this is an external energy supply which is taken into account as an energy input with its specific energy indicator

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