Designer's Guide to Energy Efficient Electrical Installations (PDF)

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About the book

Edition 2016
Pages: 91
Publisher: IET
Language: English;
Size: 41 Mb

This Guide explores how and where to save electrical energy and reduce emissions. Using IEC 60364-8-1 :2014 as
its reference, it has been prepared for all those working in electrical building services including design engineers and contractors.

It includes explanatory diagrams and a self-evaluation table for energy efficiency in electrical installations.
This Guide will be of interest to users of BS7671 as energy efficiency is of increasing importance to UK electrical
installations.

This Guide also sets the scene for future changes in Regulatory requirements.

Content

List of Tables 5
List of Figures 6
Acknowledgements 7
Foreword 8
Preface 9
1 Introduction - scope, standards and legislation 11
1.1 Scope 11
1.2 Background - safety and engineering principles 12
1.3 Traditional hierarchy of design 12
1.4 Contemporary hierarchy of design 13
1.5 Benefits of energy efficiency 14
1.6 Fundamental principles and the design framework 15
1.7 Energy efficiency metrics 16
1.8 Existing infrastructure 16
2 Designing an energy efficient electrical installation 17
2.1 Background to energy efficient design 17
2.2 Emphasis on controls 18
2.3 Design and building types 20
2.4 Distribution design requirements 21
2.5 Distribution control requirements 27
2.6 Holistic solutions and applications 30
2.7 Load management 31
2.8 Smart meters 32
3 Electrical infrastructure, metricsand load characteristics 33
3.1 Introduction 33
3.2 Background to electrical infrastructure and distribution 34
3.3 Considerations for the main substation 35
3.4 Considerations for transformer losses 37
3.5 Considerations for wiring systems 39
3.6 Considerations for power factor correction 42
3.7 Considerations for renewable energy 43
3.8 Background to metering 45
3.9 Considerations for load profile 46
3.10 Considerations for power quality analysis (PQA) 47
3.11 Considerations for PQA and power factor 49
3.12 Considerations for PQA, energy and power 50
3.13 Considerations for PQA and voltage 52
3.14 Considerations for PQA and harmonics 54
3.15 Background to load characteristics 56
3.16 Considerations for electric motors 56
3.17 Considerations for lighting 60
3.18 Considerations for heating, ventilation and air conditioning 65
3.19 Energy efficiency performance levels 66
4 Operation and maintenance 69
4.1 Monitoring of operation 69
4.2 Maintenance regime 70
4.3 Importance of system design 70
4.4 Relevance of satisfactory design 70
AppendixA 73
A.I Barycentre method 73
A.2 Worked example 74
Appendix B 77
B.l Summary checklists 77
AppendixC 81
C.1 Standards and legislation 81
C.2 European Directives 81
C.3 UK Regulations 82
C.4 ISO 50000 series of documents 82
C.5 Additional references 83
C.6 IEC 60364-8-1:2014 normative 84
C.7 IEC 60364-8-1:2014 bibliography 85
Index 87

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