Electrically propelled road vehicles - Conductive power transfer - Safety requirements (ISO 17409:2020)

This document specifies electric safety requirements for conductive connection of electrically propelled road vehicles to external electric circuits. External electric circuits include external electric power supplies and external electric loads. This document provides requirements for the charging modes 2, 3, 4, as defined in IEC 61851-1, and reverse power transfer. For mode 4, this document provides requirements regarding the connection to an isolated DC EV charging station according to IEC 61851-23.
NOTE 1 This edition does not provide requirements for mode 1.
NOTE 2 External electric circuits are not part of the vehicle.
This document applies to the on-board sections of vehicle power supply circuits. It applies also to dedicated power supply control functions used for the connection of the vehicle to an external electric circuit.
It does not provide comprehensive safety information for manufacturing, maintenance and repair personnel.
NOTE 3 ISO 6469-3 provides general electrical safety requirements for electrically propelled road vehicles.
NOTE 4 With this edition of this document the limitation of y-capacitance for protection against electric shock under single failure conditions is no longer applicable as a fault protection provision when the vehicle has a conductive DC connection to an external electric circuit.

Elektrisch angetriebene Straßenfahrzeuge - Kabelgebundene Energieübertragung - Sicherheitsanforderungen (ISO 17409:2020)

Dieses Dokument legt die elektrischen Sicherheitsanforderungen für die leitfähige Verbindung von elektrisch angetriebenen Straßenfahrzeugen mit externen Stromkreisen fest. Externe Stromkreise umfassen externe elektrische Versorgungssysteme und externe elektrische Lasten. Dieses Dokument enthält Anforderungen für die Ladebetriebsarten 2, 3, 4, wie in IEC 61851 1 festgelegt, sowie die rückwärtsgerichtete Leistungsübertragung. Für Ladebetriebsart 4 enthält dieses Dokument Anforderungen an den Anschluss an eine isolierte Gleichstrom-Ladestation für Elektrofahrzeuge entsprechend IEC 61851 23.
ANMERKUNG Diese Ausgabe enthält keine Anforderungen für Ladebetriebsart 1.
ANMERKUNG 2 Externe Stromkreise sind nicht Teil des Fahrzeugs.
Dieses Dokument gilt für die fahrzeugseitigen Abschnitte der Versorgungsstromkreise des Fahrzeuges. Es gilt auch für spezielle Funktionen zur Steuerung der Stromversorgung, die für den Anschluss des Fahrzeugs an einen externen Stromkreis verwendet werden.
Es enthält keine umfassenden Sicherheitsinformationen für das Herstellungs-, Wartungs- und Reparaturpersonal.
ANMERKUNG 3 ISO 6469 3 enthält allgemeine elektrische Sicherheitsanforderungen für elektrisch angetriebene Straßenfahrzeuge.
ANMERKUNG 4 Mit dieser Ausgabe dieses Dokuments ist die Begrenzung der y Kapazität zum Schutz gegen elektrischen Schlag unter Einzelfehlerzustand nicht mehr als Fehlerschutzbestimmung anwendbar, wenn das Fahrzeug über eine leitfähige Gleichstromverbindung zu einem externen Stromkreis verfügt.

Véhicules routiers à propulsion électrique - Transfert de puissance par conduction - Exigences de sécurité (ISO 17409:2020)

Le présent document spécifie les exigences de sécurité électrique relatives à la connexion par conduction des véhicules routiers à propulsion électrique à des circuits électriques externes. Les circuits électriques externes englobent les sources d'alimentation électrique externes et les charges électriques externes. Le présent document définit les exigences pour la recharge des modes 2, 3 et 4, tel que défini dans l'IEC 61851‑1, et pour le transfert de puissance réversible. Pour le mode 4, le présent document fournit les exigences concernant la connexion à une borne de charge CC isolée, conformément à l'IEC 61851‑23.
NOTE 1 Cette édition ne définit pas les exigences relatives au mode 1.
NOTE 2 Les circuits électriques extérieurs ne font pas partie du véhicule.
Le présent document s'applique aux parties embarquées des circuits d'alimentation des véhicules. Elle s'applique également aux fonctions dédiées de contrôle de l'alimentation électrique utilisées pour la connexion du véhicule à un circuit électrique externe.
Le présent document ne fournit pas d'informations complètes concernant la sécurité pour le personnel de fabrication, de maintenance et de réparation.
NOTE 3 L'ISO 6469‑3 fournit les exigences générales de sécurité électrique pour les véhicules routiers à propulsion électrique.
NOTE 4 Avec l'édition du présent document, la limitation de la capacité y pour la protection contre les chocs électriques dans des conditions de défaillance unique ne s'applique plus en tant que disposition de protection contre les défaillances, lorsque le véhicule dispose d'une connexion par conduction en courant continu avec un circuit électrique externe.

Cestna vozila na električni pogon - Prevodni prenos moči - Varnostne zahteve (ISO 17409:2020)

General Information

Status
Published
Publication Date
10-Mar-2020
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
11-Mar-2020
Completion Date
11-Mar-2020

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SLOVENSKI STANDARD
SIST EN ISO 17409:2020
01-junij-2020
Nadomešča:
SIST EN ISO 17409:2017

Cestna vozila na električni pogon - Prevodni prenos moči - Varnostne zahteve (ISO

17409:2020)

Electrically propelled road vehicles - Conductive power transfer - Safety requirements

(ISO 17409:2020)
Elektrisch angetriebene Straßenfahrzeuge - Kabelgebundene Energieübertragung -
Sicherheitsanforderungen (ISO 17409:2020)

Véhicules routiers à propulsion électrique - Transfert d'énergie conductive - Exigences

de sécurité (ISO 17409:2020)
Ta slovenski standard je istoveten z: EN ISO 17409:2020
ICS:
43.120 Električna cestna vozila Electric road vehicles
SIST EN ISO 17409:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 17409:2020
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SIST EN ISO 17409:2020
EN ISO 17409
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2020
EUROPÄISCHE NORM
ICS 43.120 Supersedes EN ISO 17409:2017
English Version
Electrically propelled road vehicles - Conductive power
transfer - Safety requirements (ISO 17409:2020)

Véhicules routiers à propulsion électrique - Transfert Elektrisch angetriebene Straßenfahrzeuge -

de puissance par conduction - Exigences de sécurité Kabelgebundene Energieübertragung -

(ISO 17409:2020) Sicherheitsanforderungen (ISO 17409:2020)
This European Standard was approved by CEN on 18 February 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 17409:2020 E

worldwide for CEN national Members.
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SIST EN ISO 17409:2020
EN ISO 17409:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 17409:2020
EN ISO 17409:2020 (E)
European foreword

This document (EN ISO 17409:2020) has been prepared by Technical Committee ISO/TC 22 "Road

vehicles" in collaboration with Technical Committee CEN/TC 301 “Road vehicles” the secretariat of

which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by September 2020, and conflicting national standards

shall be withdrawn at the latest by September 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 17409:2017.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 17409:2020 has been approved by CEN as EN ISO 17409:2020 without any modification.

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SIST EN ISO 17409:2020
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SIST EN ISO 17409:2020
INTERNATIONAL ISO
STANDARD 17409
Second edition
2020-02
Electrically propelled road vehicles —
Conductive power transfer — Safety
requirements
Véhicules routiers à propulsion électrique — Transfert d'énergie
conductive — Exigences de sécurité
Reference number
ISO 17409:2020(E)
ISO 2020
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SIST EN ISO 17409:2020
ISO 17409:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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SIST EN ISO 17409:2020
ISO 17409:2020(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

4 Environmental and operational conditions ..........................................................................................................................10

5 Specific requirements for the vehicle inlet, plug, and cable ................................................................................11

5.1 Requirements for the plug and cable (case A) ..........................................................................................................11

5.2 Requirements for the vehicle inlet ......................................................................................................................................11

6 Requirements for protection of persons against electric shock ......................................................................11

6.1 General ........................................................................................................................................................................................................11

6.2 Basic protection when connected to an external electric circuit ..............................................................11

6.3 Protective conductor .......................................................................................................................................................................12

6.4 Isolation resistance ..........................................................................................................................................................................13

6.4.1 AC connection ..................................................................................................................................................................13

6.4.2 DC connection .................................................................................................................................................................13

6.5 Requirements for unmated vehicle contacts..............................................................................................................13

6.5.1 General...................................................................................................................................................................................13

6.5.2 Normal operation .........................................................................................................................................................14

6.5.3 Operation under single fault conditions ...................................................................................................14

6.6 Insulation coordination ................................................................................................................................................................15

6.6.1 AC connection ..................................................................................................................................................................15

6.6.2 DC connection .................................................................................................................................................................15

6.7 Touch current ........................................................................................................................................................................................16

6.8 Compatibility with residual current devices (RCD) .............................................................................................16

7 Protection against thermal incident .............................................................................................................................................16

7.1 Requirements for normal operation .................................................................................................................................16

7.2 Overcurrent protection .................................................................................................................................................................16

7.2.1 General...................................................................................................................................................................................16

7.2.2 Overload protection ...................................................................................................................................................17

7.2.3 Short-circuit protection for AC connection ............................................................................................17

7.2.4 Short-circuit protection for DC connection............................................................................................17

7.3 Arc protection for DC connections ......................................................................................................................................18

7.4 Residual energy after disconnection .................................................................................................................................19

7.5 Transient overvoltage ....................................................................................................................................................................19

8 Additional requirements for AC power transfer ..............................................................................................................19

8.1 Voltage and frequency ranges for normal operation ..........................................................................................19

8.2 Current characteristics..................................................................................................................................................................19

8.2.1 Load current .....................................................................................................................................................................19

8.2.2 Inrush current .................................................................................................................................................................20

8.3 Active factor ............................................................................................................................................................................................20

8.4 Interlock function for the vehicle coupler ....................................................................................................................21

8.5 Phase order in three-phase operation .............................................................................................................................21

9 Additional requirements for DC power transfer ..............................................................................................................21

9.1 General ........................................................................................................................................................................................................21

9.2 Disconnection device ......................................................................................................................................................................21

9.3 Control pilot functions...................................................................................................................................................................22

9.4 Vehicle isolation resistance monitoring system ......................................................................................................22

9.5 Locking of the vehicle connector ..........................................................................................................................................22

9.6 AC or DC electric power at the same contacts ..........................................................................................................22

9.7 Contact temperature .......................................................................................................................................................................23

9.8 Overvoltage in case of a load dump ...................................................................................................................................24

© ISO 2020 – All rights reserved iii
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SIST EN ISO 17409:2020
ISO 17409:2020(E)

9.9 Compatibility with insulation monitoring ...................................................................................................................24

10 Reverse power transfer ..............................................................................................................................................................................24

10.1 General ........................................................................................................................................................................................................24

10.2 AC reverse power transfer .........................................................................................................................................................25

10.2.1 General...................................................................................................................................................................................25

10.2.2 Output power quality ........................................................................................................................................... .....25

10.2.3 Prevention of disconnection of vehicle coupler under load ....................................................26

10.2.4 Protection against electrical shock ...............................................................................................................26

10.2.5 Protection against thermal incident ............................................................................................................26

10.3 DC reverse power transfer .........................................................................................................................................................26

10.3.1 General...................................................................................................................................................................................26

10.3.2 Connection to the external electric circuit .............................................................................................27

10.3.3 Protection against overdischarge of the RESS .....................................................................................27

10.3.4 Auxiliary power supply from EV (optional) ..........................................................................................27

10.3.5 Protection against thermal incident ............................................................................................................27

11 Operational requirements ......................................................................................................................................................................27

12 Owner’s manual and marking .............................................................................................................................................................27

12.1 Owner's manual ..................................................................................................................................................................................27

12.2 Marking ......................................................................................................................................................................................................27

13 Test procedure .....................................................................................................................................................................................................27

13.1 General ........................................................................................................................................................................................................27

13.2 Resistance of protective conductor ....................................................................................................................................28

13.3 Isolation resistance test ...............................................................................................................................................................28

13.4 Withstand voltage test ...................................................................................................................................................................28

13.4.1 General...................................................................................................................................................................................28

13.4.2 Test voltage ........................................................................................................................................................................29

13.5 Inrush current tests .........................................................................................................................................................................29

13.5.1 General...................................................................................................................................................................................29

13.5.2 Measurement ...................................................................................................................................................................30

13.6 Touch current ........................................................................................................................................................................................30

13.6.1 General...................................................................................................................................................................................30

13.6.2 AC Charging .......................................................................................................................................................................31

13.6.3 DC charging .......................................................................................................................................................................33

13.7 DC power transfer with maximum current .................................................................................................................34

13.8 DC power contact over temperature .................................................................................................................................34

Annex A (informative) Y capacitance measurement .........................................................................................................................37

Bibliography .............................................................................................................................................................................................................................40

iv © ISO 2020 – All rights reserved
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SIST EN ISO 17409:2020
ISO 17409:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso .org/

iso/ foreword .html.

This document was prepared jointly by Technical Committee ISO/TC 22, Road vehicles, Subcommittee

SC 37, Electrically propelled road vehicles, and Technical Committee IEC/ TC 69, Electric road vehicles and

electric industrial trucks.

This second edition replaces the first edition (ISO 17409:2015), which has been technically revised. The

main changes compared to the previous edition are as follows:
— terms and definitions have been updated,

— requirements for mode 1 have been removed because it is no longer relevant for new designs,

— requirements for reverse power transfer have been added,

— requirements for a DC connection with a thermal management system have been added,

— short circuit during DC charging has been reworked, and
— requirements for charging with pantograph have been added.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
© ISO 2020 – All rights reserved v
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SIST EN ISO 17409:2020
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SIST EN ISO 17409:2020
INTERNATIONAL STANDARD ISO 17409:2020(E)
Electrically propelled road vehicles — Conductive power
transfer — Safety requirements
1 Scope

This document specifies electric safety requirements for conductive connection of electrically propelled

road vehicles to external electric circuits. External electric circuits include external electric power

supplies and external electric loads. This document provides requirements for the charging modes

2, 3, 4, as defined in IEC 61851-1, and reverse power transfer. For mode 4, this document provides

requirements regarding the connection to an isolated DC EV charging station according to IEC 61851-23.

NOTE 1 This edition does not provide requirements for mode 1.
NOTE 2 External electric circuits are not part of the vehicle.

This document applies to the on-board sections of vehicle power supply circuits. It applies also to

dedicated power supply control functions used for the connection of the vehicle to an external electric

circuit.

It does not provide comprehensive safety information for manufacturing, maintenance and repair

personnel.

NOTE 3 ISO 6469-3 provides general electrical safety requirements for electrically propelled road vehicles.

NOTE 4 With this edition of this document the limitation of y-capacitance for protection against electric shock

under single failure conditions is no longer applicable as a fault protection provision when the vehicle has a

conductive DC connection to an external electric circuit.
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.

ISO 6469-3, Electrically propelled road vehicles — Safety specifications — Part 3: Electrical safety

ISO 15118 (all parts), Road vehicles — Vehicle to grid communication interface

ISO 20653, Road vehicles — Degrees of protection (IP code) — Protection of electrical equipment against

foreign objects, water and access
ISO 26262 (all parts), Road vehicles — Functional safety
IEC 60038, IEC standard voltages

IEC 60364-4-41:2005, Low-voltage electrical installations — Part 4-41: Protection for safety — Protection

against electric shock

IEC 60364-4-43:2008, Electrical installations of buildings — Part 4-43: Protection for safety — Protection

against overcurrent

IEC 60364-5-54, Low-voltage electrical installations — Part 5-54: Selection and erection of electrical

equipment — Earthing arrangements and protective conductors
IEC 60364-6, Low-voltage electrical installations — Part 6: Verification
© ISO 2020 – All rights reserved 1
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SIST EN ISO 17409:2020
ISO 17409:2020(E)

IEC 60664-1, Insulation coordination for equipment within low-voltage systems - Part 1: Principles,

requirements and tests

IEC 61000-3-3, Electromagnetic compatibility (EMC) — Part 3-3: Limits — Limitation of voltage changes,

voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current

≤16 A per phase and not subject to conditional connection

IEC 61000-3-11, Electromagnetic compatibility (EMC) — Part 3-11: Limits — Limitation of voltage changes,

voltage fluctuations and flicker in public low-voltage supply systems — Equipment with rated current ≤

75 A and subject to conditional connection

IEC 61032, Protection of persons and equipment by enclosures — Probes for verification

IEC 61851-1:2017, Electric vehicle conductive charging system — Part 1: General requirements

IEC 61851-23:—, Electric vehicle conductive charging system — Part 23: DC electric vehicle charging station

IEC 62196-1, Plugs, socket-outlets, vehicle connectors and vehicle inlets — Conductive charging of electric

vehicles — Part 1: General requirements

IEC 62196-2, Plugs, socket-outlets, vehicle connectors and vehicle inlets — Conductive charging of electric

vehicles — Part 2: Dimensional compatibility and interchangeability requirements for a.c. pin and contact-

tube accessories

IEC 62196-3:2015, Plugs, socket-outlets, vehicle connectors and vehicle inlets — conductive charging of

electric vehicles — Part 3: Dimensional compatibility and interchangeability requirements for dedicated

d.c. and combined a.c./d.c. pin and contact-tube vehicle c
...

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