Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 1: General principles and requirements

IEC 62689-1:2016 defines the minimum requirements (therefore performances) and consequent classification and tests (with the exception of functional and communication ones) for fault passage indicators (FPIs) and distribution substation units (DSUs) (including their current and/or voltage sensors), which are, respectively, a device or a device/combination of devices and/or functions able to detect faults and provide indications about their localization.

Strom- und Spannungs-Sensoren oder Anzeigegeräte zur Erkennung von Kurz- und Erdschlüssen - Teil 1: Allgemeine Grundsätze und Anforderungen

Capteurs ou détecteurs de courant et de tension, à utiliser pour indiquer le passage d'un courant de défaut - Partie 1: Exigences et principes généraux

L'IEC 62689-1:2016 définit les exigences (et donc les performances) minimales, ainsi que les classifications des essais qui en découlent (à l'exception des essais fonctionnels et de communications) pour les indicateurs de passage de courant de défaut (FPI) et les unités de poste de distribution (DSU) (y compris pour leurs capteurs de courant et/ou de tension) qui sont respectivement matérialisés par un dispositif ou un dispositif/une combinaison de dispositifs et/ou de fonctions pouvant détecter des défauts et les localiser.

Tokovna in napetostna zaznavala ali detektorji, ki se uporabljajo za javljanje mesta okvare - 1. del: Sistemski vidiki (IEC 62689-1:2016)

Ta del standarda IEC 62689 določa minimalne zahteve (in s tem zmogljivosti) in posledično razvrstitev ter preskuse (z izjemo funkcionalnih in komunikacijskih preskusov) za javljalnike mesta okvare (FPI) in distribucijske postaje (DSU) (vključno z njihovimi zaznavali za tok in/ali napetost), ki so naprava ali naprava/skupek naprav in/ali funkcij, ki lahko zaznajo okvare in podajo indikacije glede njihove lokalizacije.
Lokalizacija okvare pomeni mesto okvare glede na mesto namestitve javljalnika mesta okvare/distribucijske postaje v omrežju (na visoko- ali nizkonapetostni strani glede na javljalnik mesta okvare/distribucijsko postajo) ali smer okvarnega toka, ki teče skozi javljalnik mesta okvare/distribucijsko postajo. Lokalizacija okvare se lahko pridobi
• neposredno od javljalnika mesta okvare/distribucijske postaje ali
• pri centralnem sistemu z uporabo informacij več javljalnikov mesta okvare ali distribucijskih postaj,
ob upoštevanju lastnosti in obratovalnih pogojev električnega sistema, v katerem so nameščeni javljalniki mesta okvare/distribucijske postaje.
V tem delu standarda IEC 62689 je podrobno določena razvrstitev javljalnikov mesta okvare/distribucijskih postaj v skladu s prvo »osnovno« razvrstitvijo, opredeljeno v standardu IEC 62689-2, ki se izrecno osredotoča na opis električnih pojavov in odziv električnega sistema v času okvar, ob upoštevanju najbolj razpršene arhitekture distribucijskega omrežja in tipologij okvar.
Zato je standard IEC 62689-2 osredotočen predvsem na pomoč uporabnikom pri pravilni izbiri javljalnikov mesta okvare/distribucijskih postaj, medtem ko so standardi IEC 62689-1, IEC 62689-3 in IEC 62689-4 osredotočeni predvsem na zahteve, komunikacijo in preskusne postopke za javljalnike mesta okvare/distribucijske postaje.

General Information

Status
Published
Publication Date
15-Dec-2016
Drafting Committee
Current Stage
6060 - Document made available
Due Date
16-Dec-2016
Completion Date
16-Dec-2016

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SLOVENSKI STANDARD
SIST EN 62689-1:2017
01-februar-2017

Tokovna in napetostna zaznavala ali detektorji, ki se uporabljajo za javljanje mesta

okvare - 1. del: Sistemski vidiki (IEC 62689-1:2016)

Current and Voltage sensors or detectors, to be used for fault passage indication

purposes - Part 1: System aspects (IEC 62689-1:2016)
Ta slovenski standard je istoveten z: EN 62689-1:2016
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
SIST EN 62689-1:2017 en

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

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SIST EN 62689-1:2017
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SIST EN 62689-1:2017
EUROPEAN STANDARD EN 62689-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2016
ICS 17.220.20
English Version
Current and voltage sensors or detectors, to be used for fault
passage indication purposes - Part 1: General principles and
requirements
(IEC 62689-1:2016)

Capteurs ou détecteurs de courant et de tension, à utiliser Strom- und Spannungs-Sensoren oder Anzeigegeräte zur

pour indiquer le passage d'un courant de défaut - Erkennung von Kurz- und Erdschlüssen - Teil 1: Allgemeine

Partie 1: Exigences et principes généraux Grundsätze und Anforderungen
(IEC 62689-1:2016) (IEC 62689-1:2016)

This European Standard was approved by CENELEC on 2016-06-16. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

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

© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62689-1:2016 E
---------------------- Page: 3 ----------------------
SIST EN 62689-1:2017
EN 62689-1:2016
European foreword

The text of document 38/503/FDIS, future edition 1 of IEC 62689-1, prepared by IEC/TC 38

"Instrument transformers" was submitted to the IEC-CENELEC parallel vote and approved by

CENELEC as EN 62689-1:2016.
The following dates are fixed:
(dop) 2017-06-16
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2019-12-16
standards conflicting with the
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 62689-1:2016 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60044-7 NOTE Harmonized as EN 60044-7.
IEC 60044-8 NOTE Harmonized as EN 60044-8.
IEC 60068-2-64 NOTE Harmonized as EN 60068-2-64.
IEC 60068-2-75 NOTE Harmonized as EN 60068-2-75.
IEC 60255-1:2009 NOTE Harmonized as EN 60255-1:2010 (not modified).
IEC 60660 NOTE Harmonized as EN 60660
IEC 60695-1-10 NOTE Harmonized as EN 60695-1-10.
IEC 60721-3-3 NOTE Harmonized as EN 60721-3-3.
IEC 60721-3-4 NOTE Harmonized as EN 60721-3-4.
IEC 61000-4-30 NOTE Harmonized as EN 61000-4-30.
IEC 61109 NOTE Harmonized as EN 61109.
IEC 61850-6 NOTE Harmonized as EN 61850-6.
IEC 61850-7-3 NOTE Harmonized as EN 61850-7-3.
IEC 61850-7-4 NOTE Harmonized as EN 61850-7-4.
IEC 61869-1 NOTE Harmonized as EN 61869-1.
IEC 61869-2 NOTE Harmonized as EN 61869-2.
IEC 61869-3 NOTE Harmonized as EN 61869-3.
IEC 61869-4 NOTE Harmonized as EN 61869-4.
IEC 61869-6 NOTE Harmonized as EN 61869-6.
IEC 62262 NOTE Harmonized as EN 62262.
IEC 62689-2 NOTE Harmonized as EN 62689-2.
---------------------- Page: 4 ----------------------
SIST EN 62689-1:2017
EN 62689-1:2016
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 60028 - International standard of resistance for - -
copper
IEC 60038 - IEC standard voltages EN 60038 -
IEC 60060-1 - High-voltage test techniques - EN 60060-1 -
Part 1: General definitions and test
requirements
IEC 60068-2-1 - Environmental testing - EN 60068-2-1 -
Part 2-1: Tests - Test A: Cold
IEC 60068-2-14 - Environmental testing - EN 60068-2-14 -
Part 2-14: Tests - Test N: Change of
temperature
IEC 60068-2-2 - Environmental testing - EN 60068-2-2 -
Part 2-2: Tests - Test B: Dry heat
IEC 60068-2-6 - Environmental testing - EN 60068-2-6 -
Part 2-6: Tests - Test Fc: Vibration
(sinusoidal)
IEC 60068-2-30 - Environmental testing - EN 60068-2-30 -
Part 2-30: Tests - Test Db: Damp heat,
cyclic (12 h + 12 h cycle)
IEC 60068-2-78 - Environmental testing - EN 60068-2-78 -
Part 2-78: Tests - Test Cab: Damp heat,
steady state
IEC 60071-1 - Insulation co-ordination - EN 60071-1 -
Part 1: Definitions, principles and rules
IEC 60085 - Electrical insulation - Thermal evaluation EN 60085 -
and designation
IEC 60121 - Recommendation for commercial annealed - -
aluminium electrical conductor wire
IEC 60270 - High-voltage test techniques - Partial EN 60270 -
discharge measurements
IEC 60417-DB - Graphical symbols for use on equipment - -
The title of EN 60038 is “CENELEC standard voltages”.
---------------------- Page: 5 ----------------------
SIST EN 62689-1:2017
EN 62689-1:2016
Publication Year Title EN/HD Year
IEC 60455 Series Resin based reactive compounds used for EN 60455 Series
electrical insulation
IEC 60529 - Degrees of protection provided by EN 60529 -
enclosures (IP Code)
IEC 60695-1-30 - Fire hazard testing - EN 60695-1-30 -
Part 1-30: Guidance for assessing the fire
hazard of electrotechnical products -
Preselection testing process - General
guidelines
IEC 60695-7-1 - Fire hazard testing - EN 60695-7-1 -
Part 7-1: Toxicity of fire effluent - General
guidance
IEC/TS 60815 Series Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions
IEC/TS 60815-1 - Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions -
Part 1: Definitions, information and general
principles
IEC/TS 60815-2 - Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions -
Part 2: Ceramic and glass insulators for
a.c. systems
IEC/TS 60815-3 - Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions -
Part 3: Polymer insulators for a.c. systems
IEC 60870-5-101 - Telecontrol equipment and systems - EN 60870-5-101 -
Part 5-101: Transmission protocols -
Companion standard for basic telecontrol
tasks
IEC 60870-5-104 - Telecontrol equipment and systems - EN 60870-5-104 -
Part 5-104: Transmission protocols -
Network access for IEC 60870-5-101 using
standard transport profiles
IEC 61000-4-10 - Electromagnetic compatibility (EMC) - EN 61000-4-10 -
Part 4-10: Testing and measurement
techniques - Damped oscillatory magnetic
field immunity test
IEC 61000-4-11 - Electromagnetic compatibility (EMC) - EN 61000-4-11 -
Part 4-11: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests
IEC 61000-4-12 - Electromagnetic compatibility (EMC) - EN 61000-4-12 -
Part 4-12: Testing and measurement
techniques - Ring wave immunity test
---------------------- Page: 6 ----------------------
SIST EN 62689-1:2017
EN 62689-1:2016
Publication Year Title EN/HD Year
IEC 61000-4-16 - Electromagnetic compatibility (EMC) - EN 61000-4-16 -
Part 4-16: Testing and measurement
techniques - Test for immunity to
conducted, common mode disturbances in
the frequency range 0 Hz to 150 kHz
IEC 61000-4-18 - Electromagnetic compatibility (EMC) - EN 61000-4-18 -
Part 4-18: Testing and measurement
techniques - Damped oscillatory wave
immunity test
IEC 61000-4-2 - Electromagnetic compatibility (EMC) - EN 61000-4-2 -
Part 4-2: Testing and measurement
techniques - Electrostatic discharge
immunity test
IEC 61000-4-3 - Electromagnetic compatibility (EMC) - EN 61000-4-3 -
Part 4-3: Testing and measurement
techniques - Radiated, radio-frequency,
electromagnetic field immunity test
IEC 61000-4-4 - Electromagnetic compatibility (EMC) - EN 61000-4-4 -
Part 4-4: Testing and measurement
techniques - Electrical fast transient/burst
immunity test
IEC 61000-4-5 - Electromagnetic compatibility (EMC) - EN 61000-4-5 -
Part 4-5: Testing and measurement
techniques - Surge immunity test
IEC 61000-4-6 - Electromagnetic compatibility (EMC) - EN 61000-4-6 -
Part 4-6: Testing and measurement
techniques - Immunity to conducted
disturbances, induced by radio-frequency
fields
IEC 61000-4-8 - Electromagnetic compatibility (EMC) - EN 61000-4-8 -
Part 4-8: Testing and measurement
techniques - Power frequency magnetic
field immunity test
IEC 61000-4-9 - Electromagnetic compatibility (EMC) - EN 61000-4-9 -
Part 4-9: Testing and measurement
techniques - Pulse magnetic field immunity
test
IEC 61000-6-2 2005 Electromagnetic compatibility (EMC) - EN 61000-6-2 2005
Part 6-2: Generic standards - Immunity for
industrial environments
IEC 61850-7-2 - Communication networks and systems for EN 61850-7-2 -
power utility automation -
Part 7-2: Basic information and
communication structure - Abstract
communication service interface (ACSI)
IEC 60255-27 2013 Measuring relays and protection EN 60255-27 2014
equipment -
Part 27: Product safety requirements
---------------------- Page: 7 ----------------------
SIST EN 62689-1:2017
EN 62689-1:2016
Publication Year Title EN/HD Year
IEC 61000-4-13 - Electromagnetic compatibility (EMC) - EN 61000-4-13 -
Part 4-13: Testing and measurement
techniques - Harmonics and
interharmonics including mains signaling at
a.c. power port, low frequency immunity
tests
IEC 61000-4-29 - Electromagnetic compatibility (EMC) - EN 61000-4-29 -
Part 4-29: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations on d.c.
input power port immunity tests
---------------------- Page: 8 ----------------------
SIST EN 62689-1:2017
IEC 62689-1
Edition 1.0 2016-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Current and voltage sensors or detectors, to be used for fault passage
indication purposes –
Part 1: General principles and requirements
Capteurs ou détecteurs de courant et de tension, à utiliser pour indiquer le
passage d'un courant de défaut –
Partie 1: Exigences et principes généraux
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20 ISBN 978-2-8322-3361-0

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
---------------------- Page: 9 ----------------------
SIST EN 62689-1:2017
– 2 – IEC 62689-1:2016 © IEC 2016
CONTENTS

FOREWORD ......................................................................................................................... 7

INTRODUCTION ................................................................................................................... 9

1 Scope .......................................................................................................................... 11

2 Normative references................................................................................................... 11

3 Terms, definitions, abbreviations and symbols .............................................................. 13

3.1 General terms and definitions .............................................................................. 14

3.2 Terms and definitions related to neutral point treatment ....................................... 18

3.3 Terms and definitions related to dielectrics ratings ............................................... 19

3.4 Terms and definitions related to current ratings .................................................... 21

3.5 Terms and definitions related to other ratings ...................................................... 21

3.6 Abbreviations and symbols .................................................................................. 21

4 Choice of FPI requirements according to network and fault type ................................... 22

5 Overview of applications .............................................................................................. 22

5.1 General description ............................................................................................. 22

5.2 Application with regard to installation type ........................................................... 24

5.2.1 Overhead line applications ........................................................................... 24

5.2.2 Underground cable application ..................................................................... 24

5.3 Application with regard to fault detection capability .............................................. 24

5.3.1 Single phase application .............................................................................. 24

5.3.2 Three-phase application ............................................................................... 24

5.3.3 Residual current application ......................................................................... 25

5.3.4 Three-phase and residual current application ................................................ 25

6 Application with regard to network configuration and operation ..................................... 25

7 FPI’s/DSU’s main elements .......................................................................................... 25

7.1 General ............................................................................................................... 25

7.2 Current and voltage sensors ................................................................................ 25

7.2.1 General ....................................................................................................... 25

7.2.2 Accuracy for current (and voltage) sensors ................................................... 26

7.3 Transmission of signals between sensors and CPIU ............................................. 26

7.4 Conditioning, processing and indicating unit (CPIU) ............................................. 26

7.5 Human–Machine Interface (HMI) ......................................................................... 26

7.5.1 General ....................................................................................................... 26

7.5.2 Local display ................................................................................................ 27

7.5.3 Remote display ............................................................................................ 27

8 FPI/DSU classification and usage classes (data model and profile definition,

testing) ........................................................................................................................ 27

8.1 General ............................................................................................................... 27

8.2 Integration of FPIs in the electrical grid ................................................................ 28

8.2.1 FPI for local indication of fault detection ....................................................... 28

8.2.2 FPIs for remote indication of fault detection .................................................. 29

8.2.3 DSUs fully integrated in network operation system (SCADA) ......................... 29

8.3 Information from FPIs/DSUs ................................................................................ 29

8.3.1 General ....................................................................................................... 29

8.3.2 Information from FPIs for local indication of fault detection ............................ 30

8.3.3 Information from FPIs for remote indication of fault detection ........................ 30

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SIST EN 62689-1:2017
IEC 62689-1:2016 © IEC 2016 – 3 –
8.3.4 Information from DSUs fully integrated in network operation system

(SCADA) ...................................................................................................... 31

8.4 FPI/DSU classification through performance/capabilities classes .......................... 32

8.4.1 General ....................................................................................................... 32

8.4.2 Fault detection capability class ..................................................................... 34

8.4.3 Communication capability class .................................................................... 34

8.4.4 Power supply class ...................................................................................... 35

8.4.5 FPI/DSU additional optional feature classes not strictly related to pure

fault detection .............................................................................................. 35

8.4.6 Complete FPI/DSU classification through performance/capability

classes ........................................................................................................ 36

9 Service conditions ....................................................................................................... 41

9.1 General ............................................................................................................... 41

9.2 Normal service conditions ................................................................................... 41

9.2.1 Auxiliary power supply ................................................................................. 41

9.2.2 Ambient air temperature ............................................................................... 41

9.2.3 Altitude ........................................................................................................ 42

9.2.4 Vibrations or earth tremors ........................................................................... 42

9.2.5 Other service conditions for indoor FPI/DSU ................................................. 42

9.2.6 Other service conditions for outdoor FPI/DSUs ............................................. 42

9.3 Special service conditions ................................................................................... 43

9.3.1 General ....................................................................................................... 43

9.3.2 Altitude ........................................................................................................ 43

9.3.3 Vibration or earthquakes .............................................................................. 43

10 Ratings ........................................................................................................................ 43

10.1 General ............................................................................................................... 43

10.2 Rated primary voltage ......................................................................................... 44

10.3 Standard values of rated voltage factor ................................................................ 44

10.3.1 Earthed electronic voltage transformers ........................................................ 44

10.3.2 Unearthed electronic voltage transformers .................................................... 44

10.4 Highest insulation levels for FPI primary terminals ............................................... 44

10.4.1 General ....................................................................................................... 44

10.4.2 Other requirements for FPI/DSU primary terminals insulation ........................ 46

10.4.3 Insulation requirements for low voltage components (terminals of

secondary voltage sensors) .......................................................................... 46

10.5 Rated frequency range ........................................................................................ 48

10.6 Rated primary current .......................................................................................... 48

10.7 Rated short-time thermal current ......................................................................... 48

10.8 Rated dynamic current ........................................................................................ 48

10.9 Rated supply voltage of auxiliary and control circuits ........................................... 48

10.10 Rated supply frequency of auxiliary circuits ......................................................... 49

11 Design and construction .............................................................................................. 49

11.1 General ............................................................................................................... 49

11.2 Requirement for insulation material in equipment ................................................. 49

11.3 Requirements for temperature rise of sensor parts and components ..................... 49

11.3.1 General ....................................................................................................... 49

11.3.2 Influence of altitude on temperature-rise ....................................................... 50

11.4 Earthing of equipment ......................................................................................... 51

11.4.1 General ....................................................................................................... 51

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SIST EN 62689-1:2017
– 4 – IEC 62689-1:2016 © IEC 2016

11.4.2 Electrical continuity ...................................................................................... 51

11.5 Maximum mass for clip on installation .................................................................. 51

11.6 Marking and additional information ...................................................................... 52

11.6.1 Rating plate markings .................................................................................. 52

11.6.2 Terminal markings ....................................................................................... 52

11.7 Degree of protection by enclosures ...................................................................... 53

11.7.1 General ....................................................................................................... 53

11.7.2 Protection of persons against access to hazardous parts and protection

of the equipment against ingress of solid foreign objects ............................... 53

11.7.3 Protection against ingress of water ............................................................... 53

11.7.4 Recommended IP degrees: indoor installation .............................................. 54

11.7.5 Recommended IP degrees: outdoor installation ............................................ 54

11.7.6 Protection of equipment against mechanical impact under normal

service conditions ........................................................................................ 54

11.8 Creepage distances ............................................................................................ 54

11.8.1 Pollution ...................................................................................................... 54

11.8.2 Corrections .................................................................................................. 55

11.9 Flammability ....................................................................................................... 55

11.10 Environmental compatibility ................................................................................. 55

11.10.1 General ....................................................................................................... 55

11.10.2 Requirements for electromagnetic compatibility (EMC) .................................. 56

11.10.3 Requirements for climatic immunity .............................................................. 58

11.10.4 Mechanical requirements ............................................................................. 59

11.11 Mechanical stresses on terminals (optional) ......................................................... 59

12 Tests ........................................................................................................................... 59

12.1 General ............................................................................................................... 59

12.1.1 Classification of tests ................................................................................... 59

12.1.2 List of tests .................................................................................................. 60

12.2 Type tests ........................................................................................................... 60

12.2.1 General provisions for type tests .................................................................. 60

12.2.2 Information for identification of specimen ...................................................... 61

12.2.3 Information to be included in type test reports ............................................... 61

12.2.4 Short time current test .................................................................................. 62

12.2.5 Power-frequency voltage withstand tests on primary terminals ...................... 62

12.2.6 Temperature-rise test ................................................................................... 63

12.2.7 Lightning impulse voltage test on primary terminals ...................................... 63

12.2.8 Wet test for outdoor type transformers .......................................................... 64

12.2.9 Low-voltage component voltage withstand test ............................................. 64

12.2.10 Electromagnetic Compatibility (EMC) tests. .................................................. 64

12.2.11 Partial discharge test on primary terminals ................................................... 65

12.2.12 Verification of markings ................................................................................ 66

12.2.13 Verification of the degree of protection by enclosures ................................... 66

12.2.14 Functional tests ........................................................................................... 66

12.2.15 Climatic tests ............................................................................................... 66

12.2.16 Mechanical tests .......................................................................................... 67

12.3 Routine tests ....................................................................................................... 67

12.3.1 General ....................................................................................................... 67

12.3.2 Power-frequency voltage withstand test for primary terminals ........................ 67

12.3.3 Power-frequency voltage withstand test for low-voltage components ............. 67

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SIST EN 62689-1:
...

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