BSI PD ISO/IEC TR 21897:2022
$198.66
Information technology. Data centres. Impact of the ISO 52000 series on energy performance of buildings
| Published By | Publication Date | Number of Pages |
| BSI | 2022 | 52 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions |
| 12 | 3.2 Abbreviated terms 3.3 Symbols (variables) |
| 13 | 3.4 Symbols (indices) |
| 14 | 4 Background, motivation and exclusions 4.1 Background and motivation |
| 15 | 4.2 Exclusions 5 Data centre assessment boundary 5.1 Data centre boundary in the ISO/IEC 30134 series |
| 16 | 5.2 Assessment boundary of the system in the ISO 52000 series |
| 17 | 6 General principles of the overarching EPB framework and procedures 6.1 Output of the method |
| 18 | 6.2 General description of the procedures 6.3 General description of the routing |
| 19 | 6.4 Types of assessment 6.4.1 General 6.4.2 Calculated energy performance |
| 20 | 6.4.3 Measured overall energy performance and comparison with calculations |
| 21 | 7 Assessment of primary or weighted energy performance 7.1 Weighted overall energy balance 7.2 Primary energy factors |
| 23 | 7.3 Weighting factors for exported energy 8 General approach for data centre energy flows 8.1 Data centre energy flows considered in the ISO/IEC 30134 series 8.2 General energy flows considered in the ISO 52000 series 8.2.1 General |
| 24 | 8.2.2 Electricity and other carriers with exportation |
| 27 | 8.2.3 Energy carriers without exportation 8.2.4 Exported heat on-site produced and not included in thermal use of the system |
| 28 | 8.3 Data centre energy flows in an EPB approach |
| 29 | 9 Impacts of the EPB approach on data centre KPIs 9.1 Impacts on conversion factors (case of metered energy consumption) |
| 31 | 9.2 Impact on power usage effectiveness (PUE — ISO/IEC 30134‑2) |
| 32 | 9.3 Impact on the renewable energy factor (REF — ISO/IEC 30134‑3) 9.4 Impact on the energy reuse factor (ERF — ISO/IEC 30134‑6) |
| 33 | 9.5 Impact on the excess electrical energy factor (XEEF — ISO/IEC TR 23050) 9.6 Impact on IT equipment energy efficiency for servers (ITEESV — ISO/IEC 30134‑4) |
| 34 | Annex A (informative) Examples of primary energy assessment of a data centre as used for PUE assessment |
| 42 | Annex B (informative) Examples of primary energy assessment of data centre as used for REF assessment |
