Low-voltage electrical installations - Part 8-2: Prosumer's low-voltage electrical installations

This part of IEC 60364 provides additional requirements, measures and recommendations for
design, erection and verification of all types of low-voltage electrical installation according to
IEC 60364-1:2005, Clause 11, including local production and/or storage of energy in order to
ensure compatibility with the existing and future ways to deliver electrical energy to currentusing
equipment or to the public network by means of local sources. Such electrical
installations are designated as prosumer’s electrical installations (PEIs).
This document also provides requirements for proper behaviour and actions of PEIs in order
to efficiently obtain sustainable and safe operations of these installations when integrated into
smart grids.
These requirements and recommendations apply, within the scope of IEC 60364 (all parts),
for new installations and modification of existing installations.
NOTE Electrical sources for safety services including associated electrical installations and standby electrical
supply systems for a secure continuity of supply, which are operated only occasionally and for short periods (e.g.
monthly one hour) in parallel with the distribution grid for testing purposes, are outside the scope of this document.

Errichten von Niederspannungsanlagen - Teil 8-2: Kombinierte Erzeugungs-/Verbrauchsanlagen

Installations électriques à basse tension - Partie 8-2: Installations électriques à basse tension du prosommateur

IEC 60364-8-2:2018 spécifie des exigences, mesures et recommandations supplémentaires, en matière de conception, de montage et de vérification de tous les types d'installations électriques à basse tension conformément à l’Article 11 de l'IEC 60364-1:2005, y compris la production locale et/ou le stockage de l'énergie, afin d'assurer la compatibilité avec les moyens existants et à venir de fourniture de l’énergie électrique au matériel d'utilisation ou au réseau public au moyen de sources locales. Ces installations électriques sont conçues comme des installations électriques de prosommateur (PEI - prosumer’s electrical installation).
Le présent document spécifie également des exigences relatives au comportement et aux actions adaptés des PEI afin d'assurer leur fonctionnement durable et sûr lorsque ces PEI sont intégrées dans des réseaux intelligents.
Ces exigences et recommandations s'appliquent, dans les limites du domaine d'application de l'IEC 60364 (toutes les parties), aux installations neuves et à la modification des installations existantes.

Nizkonapetostne električne inštalacije - 8-2. del: Električne inštalacije proizvajalcev-odjemalcev

Ta del standarda IEC 60364 določa dodatne zahteve, ukrepe in priporočila za načrtovanje, postavitev in preverjanje vseh vrst nizkonapetostnih električnih inštalacij v skladu s standardom IEC 60364-1:2005, točka 11, vključno z lokalno proizvodnjo in/ali shranjevanjem energije za zagotavljanje združljivosti z obstoječimi in prihodnjimi načini prenosa električne energije do električnega porabnika ali javnega omrežja prek lokalnih virov. Takšne električne inštalacije so zasnovane kot električne inštalacije aktivnih odjemalcev (PEI).
Ta dokument prav tako določa zahteve za ustrezno ravnanje in delovanje električnih inštalacij aktivnih odjemalcev za učinkovito zagotovitev trajnostnega in varnega delovanja teh inštalacij, kadar so integrirane v pametna omrežja.
Te zahteve in priporočila veljajo, v okviru skupine standarda IEC 60364 (vsi deli), za nove inštalacije in spremembe obstoječih inštalacij.
OPOMBA: Viri električne energije za varnostno napajanje, vključno s povezanimi električnimi inštalacijami in pomožnimi napajalnimi sistemi za varno neprekinjeno napajanje, ki delujejo samo občasno in krajše obdobje (npr. eno uro mesečno) vzporedno z distribucijskim omrežjem za preskusne namene, so zunaj področja uporabe tega dokumenta.

General Information

Status
Published
Publication Date
10-Dec-2018
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
06-Dec-2018
Due Date
10-Feb-2019
Completion Date
11-Dec-2018

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SLOVENSKI STANDARD
SIST HD 60364-8-2:2019
01-januar-2019
1L]NRQDSHWRVWQHHOHNWULþQHLQãWDODFLMHGHO(OHNWULþQHLQãWDODFLMH
SURL]YDMDOFHYRGMHPDOFHY
Low-voltage electrical installations - Part 8-2: Prosumer's low-voltage electrical
installations
Errichten von Niederspannungsanlagen - Teil 8-2: Kombinierte Erzeugungs
-/Verbrauchsanlagen
Installations électriques à basse tension - Partie 8-2: Installations électriques à basse
tension du prosommateur
Ta slovenski standard je istoveten z: HD 60364-8-2:2018
ICS:
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
SIST HD 60364-8-2:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST HD 60364-8-2:2019

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SIST HD 60364-8-2:2019


HARMONIZATION DOCUMENT HD 60364-8-2

DOCUMENT D'HARMONISATION

HARMONISIERUNGSDOKUMENT
November 2018
ICS 91.140.50

English Version
Low-voltage electrical installations - Part 8-2: Prosumer's low-
voltage electrical installations
(IEC 60364-8-2:2018)
Installations électriques à basse tension - Partie 8-2: Errichten von Niederspannungsanlagen - Teil 8-2:
Installations électriques à basse tension du prosommateur Kombinierte Erzeugungs-/Verbrauchsanlagen
(IEC 60364-8-2:2018) (IEC 60364-8-2:2018)
This Harmonization Document was approved by CENELEC on 2018-11-14. 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, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. HD 60364-8-2:2018 E

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SIST HD 60364-8-2:2019
HD 60364-8-2:2018 (E)
European foreword
The text of document 64/2298/FDIS, future edition 1 of IEC 60364-8-2, 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 60364-8-2:2018.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-08-14
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2021-11-14
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 shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 60364-8-2:2018 was approved by CENELEC as a
European Standard without any modification.

In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 60364 (series) NOTE Harmonized as HD 60364 (series)
IEC 60364-5-51:2005 NOTE Harmonized as HD 60364-5-51:2009 (modified)

2

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SIST HD 60364-8-2:2019
HD 60364-8-2:2018 (E)
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where 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 60364-4-41 2005 Low-voltage electrical installations - Part 4-41: HD 60364-4-41 2007
(mod) Protection for safety - Protection against electric
shock
+ A1 2017  - -
- -   + A11 2017
IEC 60364-4-43 2008 Low-voltage electrical installations - Part 4-43: HD 60364-4-43 2010
(mod) Protection for safety - Protection against
overcurrent
IEC 60364-5-53 2001 Electrical installations of buildings - Part 5-53: - -
Selection and erection of electrical equipment -
Isolation, switching and control
+ A1 (mod) 2002  HD 60364-5-534 2008
+ A2 (mod) 2015  HD 60364-5-534 2016
IEC 60364-5-55 2011 Electrical installations of buildings - Part 5-55: HD 60364-5-559 2012
(mod) Selection and erection of electrical equipment -
Other equipment
- -   + A11 2017
+ A1 2012  HD 60364-5-557 2013
- -   + A11 2016
+ A2 2016  - -
IEC 60364-7-712 -  Electrical installations of buildings - Part 7-712: HD 60364-7-712 -
Requirements for special installations or
locations - Solar photovoltaic (PV) power supply
systems
IEC 60364-8-1 2014 Low-voltage electrical installations - Part 8-1: HD 60364-8-1 2015
(mod) Energy efficiency

3

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SIST HD 60364-8-2:2019

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SIST HD 60364-8-2:2019




IEC 60364-8-2

®


Edition 1.0 2018-10




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










Low-voltage electrical installations –

Part 8-2: Prosumer’s low-voltage electrical installations




Installations électriques à basse tension –

Partie 8-2: Installations électriques à basse tension du prosommateur
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 91.140.50 ISBN 978-2-8322-6074-6




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST HD 60364-8-2:2019
– 2 – IEC 60364-8-2:2018 © IEC 2018
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Interaction of smart grid and PEI . 11
4.1 Main objectives . 11
4.2 Safety . 11
4.3 Proper functioning . 11
4.4 Implementation of PEI . 11
5 PEI concept . 11
6 Types of PEI . 13
6.1 General . 13
6.2 Operating modes . 13
6.3 Individual PEI. 13
6.4 Collective PEI . 14
6.5 Shared PEI . 17
7 Electrical energy management system (EEMS) . 20
7.1 General . 20
7.2 Architecture of EEMS . 20
8 Technical issues . 21
8.1 Safety issues . 21
8.1.1 Protection against electric shock . 21
8.1.2 Protection against overcurrent . 25
8.1.3 Outage of the public network . 26
8.1.4 Protection against transient overvoltages . 27
8.2 Interaction with the public network . 27
8.3 Energy storage . 27
8.4 Design for flexibility of load and generators (demand/response) . 27
8.5 Electric vehicle charging . 27
8.6 Selectivity between current protective devices . 27
Annex A (informative) Objectives and concept of PEI . 29
Annex B (informative) Operating modes . 30
B.1 Operating modes for individual PEI . 30
B.1.1 Direct feeding mode. 30
B.1.2 Island mode . 30
B.1.3 Reverse feeding mode . 31
B.2 Operating modes for collective PEI . 32
B.2.1 Direct feeding mode. 32
B.2.2 Island mode . 34
B.2.3 Reverse feeding mode . 36
B.3 Operating modes for shared PEI . 37
B.3.1 Direct feeding mode. 37
B.3.2 Island mode . 39
B.3.3 Reverse feeding mode . 41

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IEC 60364-8-2:2018 © IEC 2018 – 3 –
Annex C (informative) Interaction with the public network . 43
C.1 General . 43
C.2 National grid codes compliance with active and reactive power control . 43
C.3 Voltage control . 43
C.4 Frequency control . 43
C.5 Load shedding programme . 43
Annex D (informative) Architecture of PEI . 44
D.1 Architecture of individual PEI . 44
D.2 Architecture of collective PEI . 44
D.3 Architecture of shared PEI . 46
Annex E (informative) List of notes concerning certain countries . 47
Bibliography . 48


Figure 1 – Example of prosumer’s low-voltage electrical installation . 12
Figure 2 – Example of electrical design of individual PEI . 14
Figure 3 – Example of electrical design of collective PEI using DSO distribution system . 14
Figure 4 – Example of electrical design of collective PEI with distribution system within PEI . 15
Figure 5 – Example of electrical design of collective PEI with distribution system within
PEI in parallel with DSO distribution system . 16
Figure 6 – Example of electrical design of shared PEI using DSO distribution system . 17
Figure 7 – Example of electrical design of shared PEI with distribution system within PEI . 18
Figure 8 – Example of electrical design of shared PEI with distribution system within
PEI in parallel with DSO distribution system . 19
Figure 9 – Connection to the local earthing arrangement (TN, TT and IT system) . 23
Figure 10 – Estimation of the minimum earth fault current according to the operating

mode (connected and island) . 24
Figure 11 – Example of double short-circuit protection for the same circuit . 26
Figure 12 – Example of selectivity with various power supplies . 28
Figure B.1 – Example of electrical design of individual PEI operating in direct feeding
mode . 30
Figure B.2 – Example of electrical design of individual PEI operating in island mode . 31
Figure B.3 – Example of electrical design of individual PEI operating in reverse
feeding mode . 32
Figure B.4 – Example of electrical design of collective PEI operating in direct feeding
mode with one single electrical installation. 33
Figure B.5 – Example of electrical design of collective PEI operating in direct feeding
mode with several electrical installations . 34
Figure B.6 – Example of electrical design of collective PEI operating in island mode
with one single electrical installation . 35
Figure B.7 – Example of electrical design of collective PEI operating in island mode
with several electrical installations . 35
Figure B.8 – Example of electrical design of collective PEI operating in reverse
feeding mode with one single electrical installation . 36
Figure B.9 – Example of electrical design of collective PEI operating in reverse
feeding mode with several electrical installations . 37
Figure B.10 – Example of electrical design of shared PEI operating in direct feeding
mode with one single electrical installation. 38

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– 4 – IEC 60364-8-2:2018 © IEC 2018
Figure B.11 – Example of electrical design of shared PEI operating in direct feeding
mode with several electrical installations . 39
Figure B.12 – Example of electrical design of shared PEI operating in island mode

with one single electrical installation . 40
Figure B.13 – Example of electrical design of shared PEI operating in island mode
with several electrical installations . 41
Figure B.14 – Example of electrical design of shared PEI operating in reverse feeding
mode . 42
Figure D.1 – Example of type of architecture of individual PEI . 44
Figure D.2 – Example of type of architecture of collective PEI . 45
Figure D.3 – Example of type of architecture of shared PEI . 46

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SIST HD 60364-8-2:2019
IEC 60364-8-2:2018 © IEC 2018 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

LOW-VOLTAGE ELECTRICAL INSTALLATIONS –

Part 8-2: Prosumer’s low-voltage electrical installations

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60364-8-2 has been prepared by IEC technical committee 64:
Electrical installations and protection against electric shock.
The text of this International Standard is based on the following documents:
FDIS Report on voting
64/2298/FDIS 64/2335/RVD

Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 60364 series, published under the general title Low-voltage
electrical installations, can be found on the IEC website.

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SIST HD 60364-8-2:2019
– 6 – IEC 60364-8-2:2018 © IEC 2018
The reader's attention is drawn to the fact that Annex E lists all of the “in-some-country”
clauses on differing practices of a less permanent nature relating to the subject of this
standard.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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SIST HD 60364-8-2:2019
IEC 60364-8-2:2018 © IEC 2018 – 7 –
INTRODUCTION
Historically, utilities were managing the public transmission and distribution network from the
point of view of having a central production adapted to demand variation, a top-down energy
flow, a production/consumption balance done by integrated utility companies and with rather
passive users.
The following key factors are pushing the public electricity network to change:
• the increasing number of electronic devices used daily and the growing needs as well as
future needs (e.g. charging electric vehicles) will result in the structural growing of
electricity consumption;
• the mediated pressure on climate change results in pressure on CO emissions reduction;
2
• the electricity market is also quickly changing due mainly to its unbundling and
deregulation, and to the greater number of intermittent renewable energy sources (global
and local);
• users’ expectations are also evolving as a result of an increasing need for better public
networks reliability and quality, the search for better economic performance and the
willingness to pro-actively manage their energy;
• technological evolution should also be considered as information and communication
technology (ICT) is affordable and new energy storage solutions are emerging.
All stakeholders directly involved in the electricity generation, transmission, distribution and
consumption have new expectations:
• customers are willing to reduce electrical energy costs in order to meet environment
targets (renewable energy, energy efficiency) but also wish to benefit from the quality of
electricity supply;
• suppliers wish to limit customer churn rate with price and service management;
• producers expect to maximize their yield of assets, to optimize their investments and to
take profit from energy trading;
• the aggregator wants to create conditions suitable for new market emergence;
• the transmission system operator (TSO) aspires to a robust transmission public network
and to meet regulation objectives (price and level of services), while the distribution
system operator (DSO) wants to meet regulation objectives (price and level of services), to
reduce costs by productivity (including meter) and to have a flexible network;
• finally, governments and regulators are willing to create a competitive and sustainable
energy market.
The objective of this document is to ensure that the low-voltage electrical installation is
compatible with the current and future ways to deliver safely and functionally the electrical
energy to current-using equipment either from the public network or from other local sources.
This document is not intended to influence all stakeholders of electricity supply on how the
electrical energy should be sold and delivered.

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– 8 – IEC 60364-8-2:2018 © IEC 2018
LOW-VOLTAGE ELECTRICAL INSTALLATIONS –

Part 8-2: Prosumer’s low-voltage electrical installations



1 Scope
This part of IEC 60364 provides additional requirements, measures and recommendations for
design, erection and verification of all types of low-voltage electrical installation according to
IEC 60364-1:2005, Clause 11, including local production and/or storage of energy in order to
ensure compatibility with the existing and future ways to deliver electrical energy to current-
using equipment or to the public network by means of local sources. Such electrical
installations are designated as prosumer’s electrical installations (PEIs).
This document also provides requirements for proper behaviour and actions of PEIs in order
to efficiently obtain sustainable and safe operations of these installations when integrated into
smart grids.
These requirements and recommendations apply, within the scope of IEC 60364 (all parts),
for new installations and modification of existing installations.
NOTE Electrical sources for safety services including associated electrical installations and standby electrical
supply systems for a secure continuity of supply, which are operated only occasionally and for short periods (e.g.
monthly one hour) in parallel with the distribution grid for testing purposes, are outside the scope of this document.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 60364-4-41:2005, Low-voltage electrical installations – Part 4-41: Protection for safety –
Protection against electric shock
IEC 60364-4-41/AMD1:2017
IEC 60364-4-43:2008, Low-voltage electrical installations – Part 4-43: Protection for safety –
Protection against overcurrent
IEC 60364-5-53:2001, Electrical installations of buildings – Part 5-53: Selection and erection
of electrical equipment – Isolation, switching and control
IEC 60364-5-53:2001/AMD1:2002
IEC 60364-5-53:2001/AMD2:2015
IEC 60364-5-55:2011, Electrical installations of buildings – Part 5-55: Selection and erection
of electrical equipment – Other equipment
IEC 60364-5-55:2011/AMD1:2012
IEC 60364-5-55:2011/AMD2:2016
IEC 60364-7-712, Low-voltage electrical installations – Part 7-712: Requirements for special
installations or locations – Solar photovoltaic (PV) power supply systems
IEC 60
...

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