CEN TR 15316-6-5-2017 Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-5 Explanation and justification of EN .pdf

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1、Energy performance of buildings - Method for calculation of system energy requirements and system efficienciesPart 6-5: Explanation and justification of EN 15316-4-2, Module M3-8PD CEN/TR 15316-6-5:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06TECHNICAL REPORT

2、RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-5 April 2017 ICS 91.140.10; 91.120.10 English Version Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-5: Explanation and justification of EN 15316-4-2, Module M3-8 Performance

3、 nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-5: Explication et justification de lEN 15316-4-2, Module M3-8 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - Verfahren zur Berechnung der Energieanforderungen und Nutzungsgrade der

4、Anlagen - Teil 6-9: Begleitende TR zur EN 15316-4-2 (Wrmeerzeugung fr die Raumheizung, Wrmepumpensysteme) This Technical Report was approved by CEN on 27 February 2017. It has been drawn up by the Technical Committee CEN/TC 228. CEN members are the national standards bodies of Austria, Belgium, Bulg

5、aria, 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, Slovakia, Slovenia, Spain, Sweden, Switzer

6、land, 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 reserved worldwide for CEN national

7、Members. Ref. No. CEN/TR 15316-6-5:2017 ENational forewordThis Published Document is the UK implementation of CEN/TR 15316-6-5:2017.The UK participation in its preparation was entrusted to Technical Committee RHE/24, Heating systems and water based cooling systems in buildings.A list of organization

8、s represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 9

9、78 0 580 95140 4ICS 91.120.10; 91.140.10Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affe

10、ctedPUBLISHED DOCUMENTPD CEN/TR 15316-6-5:2017TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-5 April 2017 ICS 91.140.10; 91.120.10 English Version Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-5: Explana

11、tion and justification of EN 15316-4-2, Module M3-8 Performance nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-5: Explication et justification de lEN 15316-4-2, Module M3-8 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - Verfahren

12、 zur Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-9: Begleitende TR zur EN 15316-4-2 (Wrmeerzeugung fr die Raumheizung, Wrmepumpensysteme) This Technical Report was approved by CEN on 27 February 2017. It has been drawn up by the Technical Committee CEN/TC 228. CEN memb

13、ers 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portug

14、al, Romania, Serbia, Slovakia, 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

15、 any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 15316-6-5:2017 EPD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 7 2 Normative references 7 3 Terms and definitions . 7 4 Symbols and abbreviations .

16、8 4.1 Symbols . 8 4.2 Subscripts . 8 5 Information on the method . 8 5.1 General 8 6 Method description 9 6.1 Rationale 9 6.2 Time steps . 10 6.3 Assumptions . 10 6.4 Data input . 10 6.4.1 Energy required 10 6.4.2 COP and thermal capacity . 10 6.4.3 Other parameters and coefficients 11 6.5 Calculati

17、on methods 11 6.5.1 Calculation of COP and thermal capacity based on EN 14511 Path A 11 6.5.2 Calculation of COP and thermal capacity based on EN 14825 (path B) 13 6.5.3 Time of operation of the heat pump in part load operation . 13 6.5.4 Monthly and annual method 13 6.5.5 Auxiliary 14 6.6 Calculati

18、on information . 14 7 Worked out example . 14 7.1 Description . 14 7.2 Calculation details . 14 7.2.1 Example 1 Path A - Hourly method based on a single reference value for COP and thermal capacity . 14 7.2.2 Example 2 Path B Hourly method based on results at part load 14 7.2.3 Example 3 Annual / Mo

19、nthly method 15 7.3 Remarks and comments 15 8 Application range . 15 8.1 Energy performance 15 8.2 Energy certificate . 15 8.3 Inspection . 15 8.4 System complexity . 15 9 Regulation use . 15 10 Information on the accompanying spreadsheet . 15 11 Results of the validation tests 15 PD CEN/TR 15316-6-

20、5:2017CEN/TR 15316-6-5:2017 (E) 3 12 Quality issues . 15 Annex A (informative) Calculation flowchart Path A . 16 Annex B (informative) Path A - Calculation example 17 Annex C (informative) Path B - Hourly method 31 C.1 Input data 31 C.2 Calculation procedure . 33 Annex D (informative) Path B monthly

21、/annual method 35 D.1 Additional input data to Annex C 35 D.2 Example of results 36 Bibliography . 39 PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 4 European foreword This document (CEN/TR 15316-6-5:2017) has been prepared by Technical Committee CEN/TC 228 “Heating systems and water based cooli

22、ng systems in buildings”, the secretariat of which is held by DIN. 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. This document has b

23、een prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 5 Introduction The set of EPB standards, technical reports and supporting tools In order to facilitate the necessary overall consistency and

24、 coherence, in terminology, approach, input/output relations and formats, for the whole set of EPB-standards, the following documents and tools are available: a) a document with basic principles to be followed in drafting EPB-standards: CEN/TS 16628:2014, Energy Performance of Buildings - Basic Prin

25、ciples for the set of EPB standards 2; b) a document with detailed technical rules to be followed in drafting EPB-standards; CEN/TS 16629:2014, Energy Performance of Buildings - Detailed Technical Rules for the set of EPB-standards 3; c) the detailed technical rules are the basis for the following t

26、ools: 1) a common template for each EPB-standard, including specific drafting instructions for the relevant clauses; 2) a common template for each technical report that accompanies an EPB standard or a cluster of EPB standards, including specific drafting instructions for the relevant clauses; 3) a

27、common template for the spreadsheet that accompanies each EPB standard, to demonstrate the correctness of the EPB calculation procedures. Each EPB-standards follows the basic principles and the detailed technical rules and relates to the overarching EPB-standard, EN ISO 52000-1 4. One of the main pu

28、rposes of the revision of the EPB-standards is to enable that laws and regulations directly refer to the EPB-standards and make compliance with them compulsory. This requires that the set of EPB-standards consists of a systematic, clear, comprehensive and unambiguous set of energy performance proced

29、ures. The number of options provided is kept as low as possible, taking into account national and regional differences in climate, culture and building tradition, policy and legal frameworks (subsidiarity principle). For each option, an informative default option is provided (Annex B). Rationale beh

30、ind the EPB technical reports There is a risk that the purpose and limitations of the EPB standards will be misunderstood, unless the background and context to their contents and the thinking behind them is explained in some detail to readers of the standards. Consequently, various types of informat

31、ive contents are recorded and made available for users to properly understand, apply and nationally or regionally implement the EPB standards. If this explanation would have been attempted in the standards themselves, the result is likely to be confusing and cumbersome, especially if the standards a

32、re implemented or referenced in national or regional building codes. Therefore each EPB standard is accompanied by an informative technical report, like this one, where all informative content is collected, to ensure a clear separation between normative and informative contents (see CEN/TS 16629 3):

33、 to avoid flooding and confusing the actual normative part with informative content, PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 6 to reduce the page count of the actual standard, and to facilitate understanding of the set of EPB standards. This was also one of the main recommendations from th

34、e European CENSE project 5 that laid the foundation for the preparation of the set of EPB standards. PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 7 1 Scope This Technical Report refers to EN 15316-4-2, covering module M3-8. It contains information to support the correct understanding, use and n

35、ational adaptation of EN 15316-4-2. This Technical Report does not contain any normative provision. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited

36、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15316-4-2:2017, Energy performance of buildings Method for calculation of system energy requirements and system efficiencies Part 4-2: Space heating generation systems, heat pump sy

37、stems, Module M3-8-2, M8-8-2 EN 15603, Energy performance of buildings Overall energy use and definition of energy ratings EN ISO 7345, Thermal insulation Physical quantities and definitions (ISO 7345) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN I

38、SO 7345, EN 15603, EN 15316-4-2 and the following apply. 3.1 bivalent temperature biv;refoutdoor temperature declared by the supplier for heating at which the declared capacity for heating equals the part load for heating and below which the declared capacity for heating requires supplementary capac

39、ity for heating to meet the part load for heating, expressed in degrees Celsius Note 1 to entry: This definition corresponds to the terms of EN 14825. Note 2 to entry: In the context of EN 15316-4-2, the bivalent temperature biv is adapted to the thermal load of the building and is different from th

40、e EN 14825 conditions which means: 1) Input data consider temperatures, thermal capacities and COP based on the test conditions identified from EN 14825, 2) This EN 14825 bivalent temperature biv;ref,COPref and thermal capacity data is used as part of the EN 14825 dataset to interpolate COP and capa

41、city for each time step (operating condition) (using Path B) 3) EN 15316-4-2 determines a specific bivalent temperature for each time step (operating condition), which is different to the Manufacturer declared value (from EN 14825 data), to determine back-up requirement 4) Practically the bivalent t

42、emperature is a fixed value declared in the input data biv and use for control of the additional heating system when thermal capacity does not fulfill the thermal capacity required. PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 8 4 Symbols and abbreviations 4.1 Symbols For the purposes of this d

43、ocument, the symbols given in EN 15603 and in EN 15316-4-2 apply. 4.2 Subscripts For the purposes of this document, subscripts given in EN 15603 and in EN 15316-4-2 apply. 5 Information on the method 5.1 General The method calculates the thermal energy provided by heat pump systems for heating of do

44、mestic hot water use. Table 1 explains how the information and output of the calculation are used in such multiple systems. In this case, the heat pump, including its integrated back-up system (if any) is considered as the priority generator. PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 9 Table

45、 1 Heat pump systems and interaction with other generators Building need calculation standard Product data COP,in;out; QH;out;nd QW;out;nd Emission, distribution standard QHWC;dis;in Operating conditions and multiple generators and storage standards Priority generator Next generator Conditions Time

46、gen;H gen;H gen;sto gen;in gen;out;X Time step 1 2 3 Heat pump and integrated back-up and storage procedure 1 gen;in gen;aux gen;bu 2 3 EH;gen;in EW;H;sto;gen;outTotal delivered energy 6 Method description 6.1 Rationale Depending of the input data provided 2 paths can be used for the calculation of

47、the energy performance of the heat pump generation system Path A is based on a single reference value. Path B is based on performances of the heat pump according to EN 14825. Depending on the thermal power and temperature determined form the operating conditions and from the distribution systems, th

48、e following values are calculated: energy delivered to the heat pump systems; COP (coefficient of performance); energy for auxiliaries; recoverable thermal losses. The calculation is processed in 2 stages: PD CEN/TR 15316-6-5:2017CEN/TR 15316-6-5:2017 (E) 10 determination of energy used from and del

49、ivered to at full load for the non nominal operating conditions; determination of energy used from and delivered to the heat pump systems at part load. A flowchart is given in Annex A. 6.2 Time steps Time step is typically: hourly; bin; monthly (or annual) based on bin approach. 6.3 Assumptions The matrix for COP and power of the heat pump at the nominal condition is calculated at the beginning of the calculation. It is assumed that the

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