HD 60364-8-1:2015

Low-voltage electrical installations - Part 8-1: Energy efficiency

IEC 60364-8-1:2014 provides additional requirements, measures and recommendations for the design, erection and verification of all types of low-voltage electrical installation including local production and storage of energy for optimizing the overall efficient use of electricity. It introduces requirements and recommendations for the design of an electrical installation within the framework of an energy efficiency management approach in order to get the best permanent functionally equivalent service for the lowest electrical energy consumption and the most acceptable energy availability and economic balance. These requirements and recommendations apply, within the scope of the IEC 60364 series, for new installations and modification of existing installations. This standard is applicable to the electrical installation of a building or system and does not apply to products. The energy efficiency of these products and their operational requirements are covered by the relevant product standards. This standard does not specifically address building automation systems.

Errichten von Niederspannungsanlagen - Teil 8-1: Energieeffizienz

Installations électriques basse tension - Partie 8-1: Efficacité énergétique

L'IEC 60364-8-1:2014 fournit des exigences, des mesures et des recommandations supplémentaires pour la conception, la mise en oeuvre et la vérification de tous types d'installations électriques basse tension comportant la production locale et le stockage local de l'énergie pour optimiser l'utilisation efficace globale de l'électricité. Elle présente les exigences et les recommandations pour la conception d'une installation électrique dans le cadre d'une approche de gestion de l'efficacité énergétique afin d'obtenir la fonctionnalité équivalente au meilleur service permanent pour la consommation d'énergie électrique la plus faible, la disponibilité de l'énergie et l'équilibre économique les plus acceptables. Ces exigences et recommandations s'appliquent, dans le domaine d'application de la série IEC 60364, pour les installations neuves et la modification d'installations existantes. La présente norme est applicable à l'installation électrique d'un bâtiment ou d'un système et ne s'applique pas aux produits. L'efficacité énergétique de ces produits et leurs exigences opérationnelles sont couvertes par les normes de produits concernées. La présente norme ne traite pas spécifiquement des systèmes d'automatisation de bâtiments.

Nizkonapetostne električne inštalacije - 8-1. del: Energijska učinkovitost

Ta del standarda IEC 60364 določa dodatne zahteve, ukrepe in priporočila za zasnovo, postavitev in preverjanje vseh vrst nizkonapetostnih električnih inštalacij, vključno z lokalno proizvodnjo in shranjevanjem energije za optimizacijo celotne učinkovite uporabe električne energije. Uvaja zahteve in priporočila za zasnovo električnih inštalacij v okviru pristopa upravljanja energijske učinkovitosti, da bi dobili najboljšo stalno funkcionalno enakovredno storitev za najnižjo porabo električne energije in najbolj sprejemljivo razpoložljivost energije ter gospodarsko ravnotežje.
Te zahteve in priporočila veljajo, v okviru skupine standardov IEC 60364, za nove inštalacije in spremembe obstoječih inštalacij. Ta standard velja za električno inštalacijo zgradbe ali sistema in ne velja za izdelke. Energijsko učinkovitost teh izdelkov in njihovih obratovalnih zahtev določajo ustrezni standardi za izdelke. Ta standard se ne nanaša neposredno na gradnjo sistemov za avtomatizacijo.

General Information

• Status: Withdrawn
• Publication Date: 22-Jan-2015
• Withdrawal Date: 21-Dec-2017
• ICS: 13.020.01 - Environment and environmental protection in general
• ICS: 27.015 - Energy efficiency. Energy conservation in general
• ICS: 91.140.50 - Electricity supply systems
• Technical Committee: CLC/TC 64 - Electrical installations and protection against electric shock
• Drafting Committee: CLC/TC 64/WG 29 - Future HD 60364-8-1, low voltage electrical installations - Energy efficiency
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 14-Jun-2022
• Completion Date: 14-Jun-2022
• Ref Project: SIST HD 60364-8-1:2015 - Low voltage electrical installations - Part 8-1: Energy efficiency

Relations

• Replaced By: HD 60364-8-1:2019 - Low-voltage electrical installations - Part 8-1: Functional aspects - Energy efficiency
• Effective Date: 27-Feb-2018

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2015
1L]NRQDSHWRVWQHHOHNWULþQHLQãWDODFLMHGHO(QHUJLMVNDXþLQNRYLWRVW
Low voltage electrical installations - Part 8-1: Energy efficiency
Ta slovenski standard je istoveten z: HD 60364-8-1:2015
ICS:
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONIZATION DOCUMENT HD 60364-8-1

DOCUMENT D'HARMONISATION
HARMONISIERUNGSDOKUMENT
January 2015
ICS 13.020.01; 91.140.50
English Version
Low-voltage electrical installations - Part 8-1: Energy efficiency
(IEC 60364-8-1:2014 , modified)
Installations électriques basse tension - Partie 8-1: Errichten von Niederspannungsanlagen - Teil 8-1:
Efficacité énergétique Energieeffizienz
(IEC 60364-8-1:2014 , modifiée) (IEC 60364-8-1:2014 , modifiziert)
This Harmonization Document was approved by CENELEC on 2014-12-22. CENELEC members are bound to comply with the
CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document at national level.
Up-to-date lists and bibliographical references concerning such national implementations may be obtained on application to the CEN-
CENELEC Management Centre or to any CENELEC member.
This Harmonization Document exists in three official versions (English, French, German).
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. HD 60364-8-1:2015 E
Foreword
The text of document 64/1969/FDIS, future edition 1 of IEC 60364-8-1, prepared by IEC/TC 64
"Electrical installations and protection against electric shock" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as HD 60364-8-1:2015.
A draft amendment, which covers common modifications to IEC 60364-8-1:2014, was prepared by
CLC/TC 64 "Electrical installations and protection against electric shock" and approved by CENELEC.

The following dates are fixed:

• latest date by which this document has (dop) 2015-12-22
to be implemented at national level
by publication of an identical
national standard or by endorsement
(dow) 2017-12-22
• latest date by which the national
standards conflicting with this document
have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 60364-8-1:2014 was approved by CENELEC as a
European Standard with agreed common modifications.

In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60364-6 NOTE  Harmonized as HD 60364-6.
ISO 50001 NOTE  Harmonized as EN ISO 50001.

COMMON MODIFICATIONS
8.6.2
Add at the end of the clause the following note:

NOTE  The use of carefully selected software for energy management purposes facilitates
the implementation of all these requirements.

– 3 – HD 60364-8-1:2015
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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 applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60034-30 -  Rotating electrical machines -- Part 30: EN 60034-30 -
Efficiency classes of single-speed, three-
phase, cage-induction motors (IE code)
IEC 60287-3-2 -  Electric cables - Calculation of the current - -
rating - Part 3: Sections on operating
conditions - Section 2: Economic
optimization of power cable size
IEC 60364 series Low-voltage electrical installations -- Part HD 60364 series
1: Fundamental principles, assessment of
general characteristics, definitions
IEC 60364-5-52 2009 Low-voltage electrical installations -- Part HD 60364-5-52 2011
(mod) 5-52: Selection and erection of electrical
equipment - Wiring systems
IEC 60364-5-55 2011 Electrical installations of buildings -- Part 5-HD 60364-5-559 2012
(mod) 55: Selection and erection of electrical
equipment - Other equipment
IEC 60364-7-712 2002 Electrical installations of buildings -- Part 7-HD 60364-7-712 2005
712: Requirements for special installations
or locations - Solar photovoltaic (PV)
power supply systems
IEC 61557-12 2007 Electrical safety in low voltage distribution EN 61557-12 2008
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -- Part
12: Performance measuring and
monitoring devices (PMD)
IEC 62053-21 -  Electricity metering equipment (a.c.) - EN 62053-21 -
Particular requirements -- Part 21: Static
meters for active energy (classes 1 and 2)
IEC 62053-22 -  Electricity metering equipment (a.c.) - EN 62053-22 -
Particular requirements -- Part 22: Static
meters for active energy (classes 0,2 S
and 0,5 S)
IEC 60364-8-1 ®
Edition 1.0 2014-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage electrical installations –

Part 8-1: Energy efficiency
Installations électriques basse tension –

Partie 8-1: Efficacité énergétique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XA
ICS 13.020.01; 91.140.50 ISBN 978-2-8322-1883-9

– 2 – IEC 60364-8-1:2014 © IEC 2014

CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
3.1 General . 9
3.2 Electrical energy management . 10
3.3 Energy measurement . 11
3.4 Sectors of activities . 12
4 General . 12
4.1 Fundamental principles . 12
4.1.1 Safety of the electrical installation . 12
4.1.2 Availability of electrical energy and user decision . 12
4.1.3 Design requirements and recommendations . 13
5 Sectors of activities . 13
6 Design requirements and recommendations . 13
6.1 General . 13
6.2 Determination of load profile . 13
6.3 Determination of the transformer and switchboard location with the
barycentre method . 13
6.4 HV/LV substation . 14
6.4.1 General . 14
6.4.2 Optimum number of HV/LV substations . 14
6.4.3 Working point of the transformer . 14
6.4.4 Efficiency of the transformer . 14
6.5 Efficiency of local production . 15
6.6 Efficiency of local storage . 15
6.7 Losses in the wiring . 15
6.7.1 Voltage drop . 15
6.7.2 Cross-sectional areas of conductors . 15
6.7.3 Power factor correction . 15
6.7.4 Reduction of the effects of harmonic currents . 15
7 Determination of the zones, usages and meshes . 16
7.1 Determining the zones . 16
7.2 Determining the usages within the identified zones . 16
7.3 Determining the meshes . 16
7.3.1 General . 16
7.3.2 Criteria for considering meshes . 17
7.3.3 Meshes . 18
7.4 Impacts on distribution system design . 18
8 Energy efficiency and load management system . 19
8.1 General . 19
8.2 Requirements from the user . 20
8.2.1 General . 20
8.2.2 Requirements on the loads . 20

IEC 60364-8-1:2014 © IEC 2014 – 3 –
8.2.3 Requirements on the supplies . 20
8.3 Inputs from loads, sensors and forecasts . 20
8.3.1 Measurement . 20
8.3.2 Loads . 22
8.3.3 Energy sensors . 23
8.3.4 Forecasts . 23
8.3.5 Data logging . 23
8.3.6 Communication . 23
8.4 Inputs from the supplies: energy availability and pricing, smart metering. 23
8.5 Information for the user: monitoring the electrical installation . 23
8.6 Management of loads through the meshes . 24
8.6.1 General . 24
8.6.2 Energy management system . 24
8.7 Multi-supply source management: grid, local electricity production and
storage . 24
9 Maintenance and enhancem
...