High-voltage switchgear and controlgear - Part 102: Alternating current disconnectors and earthing switches

IEC 62271-102:2018 applies to alternating current disconnectors and earthing switches, designed for indoor and outdoor installations for nominal voltages above 1 000 V and for service frequencies up to and including 60 Hz.
This second edition cancels and replaces the first edition published in 2001, Amendment 1:2011 and Amendment 2:2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:  
new numbering according to IEC 17/1025/RQ to harmonize with ISO/IEC Directives, Part 2, and IEEE Std. C37.100.1;
clause numbering has been aligned with IEC 62271-1:2017;
the Scope has been extended to cover all indoor and outdoor installations. Consideration of switching devices having disconnecting and/or earthing switch functionalities, apart from other functions, are also covered by this document;
ratings have been moved from Annexes B, C and E to Clause 5; the order of the subclauses now corresponds to the order of subclauses in Clause 7;
new rating values for bus-transfer current and bus-transfer voltage have been assigned;
new class of mechanical endurance for earthing switches has been added (M1);
subclause "Rated values of electrical endurance for earthing switches" is now called "Classification of earthing switches for short-circuit making capability";
new subclause with ratings for ice-coating has been added;
new subclause with classification of bus-charging switching capability has been added;
new withstand requirements for interlocking devices have been added;
the way to comply with the requirements of the isolating distance of disconnectors has been modified;
design and construction requirements for position-indicating devices have been modified, aligning the requirements for position indication and signalling;
the value of the operating force has been changed;
the test procedures and validation criteria have been revised and modified where necessary;
requirements for applied voltage during single-phase test on non-simultaneous closing earthing switches have been changed;
non-verifiable requirements have been deleted;
a new subclause has been added for testing mechanical interlocking devices;
the high- and low-temperature test is mandatory if the temperature limits for the service conditions of the apparatus (defined by the manufacturer) are above +40 °C or below −5 °C, and a more detailed testing procedure is given;
the testing procedure to verify the proper functioning of the position-indicating device allows a more practicable testing for every technology used;
a new Annex B has been added with title: "Current-switching capability required of disconnectors and earthing switches";
a new Annex C has been added with title: "Tolerances on test quantities for type tests";
a new Annex E has been added with title: "Extension of validity of type tests".

Appareillage à haute tension - Partie 102: Sectionneurs et sectionneurs de terre à courant alternatif

L’IEC 62271-102:2018 s’applique aux sectionneurs et aux sectionneurs de terre à courant alternatif, conçus pour être installés à l’intérieur et à l’extérieur, pour des tensions nominales supérieures à 1 000 V et des fréquences de service inférieures ou égales à 60 Hz.
Cette deuxième édition annule et remplace la première édition parue en 2001, l’Amendement 1:2011 et l’Amendement 2:2013. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:  
adoption d’une nouvelle numérotation conformément à l’IEC 17/1025/RQ pour se conformer aux Directives ISO/IEC, Partie 2, et à l’IEEE C37.100.1;
alignement de la numérotation des articles avec l’IEC 62271-1:2017:
extension du Domaine d’application pour couvrir toutes les installations pour l’intérieur et pour l’extérieur. Prise en compte des appareils de connexion comportant, en plus d’autres fonctions, des fonctionnalités de déconnexion et/ou de mise à la terre couvertes par le présent document;
transfert des caractéristiques assignées des Annexes B, C et E à l’Article 5; l’ordre des paragraphes correspond désormais à l’ordre des paragraphes de l’Article 7:
affectation de nouvelles valeurs assignées au courant de transfert de barres et à la tension de transfert de barres;
ajout d’une nouvelle classe d’endurance mécanique pour les sectionneurs de terre (M1);
le paragraphe "Valeurs assignées d’endurance électrique pour les sectionneurs de terre" s’intitule désormais "Classification des sectionneurs de terre pour le pouvoir de fermeture en court-circuit;
ajout d’un nouveau paragraphe avec des caractéristiques assignées pour la couche de glace;
ajout d’un nouveau paragraphe avec classification du pouvoir d’établissement et de coupure de jeux de barres à vide;
ajout de nouvelles exigences en matière de tenue pour les dispositifs de verrouillage;
modification de la manière de se conformer aux exigences de la distance de sectionnement des sectionneurs;
modification des exigences de conception et de construction des indicateurs de position, en alignant les exigences pour l’indication et la signalisation de position;
modification de la valeur de l’effort de manœuvre;
révision et modification si nécessaire des procédures d’essai et des critères de validation;
modification des exigences relatives à la tension appliquée lors des essais monophasés sur les sectionneurs de terre à fermeture non simultanée;
suppression des exigences non vérifiables;
ajout d’un nouveau paragraphe pour soumettre à l’essai les dispositifs de verrouillage mécanique;
réalisation obligatoire de l’essai aux températures haute et basse si les limites de température pour les conditions de service de l’appareil (définies par le constructeur) sont supérieures à 40 °C ou inférieures à -5 °C, et fourniture d’une procédure d’essai plus détaillée;
réalisation d’essai matériellement possible sur chacune des technologies utilisées, favorisée par la procédure d’essai de vérification du bon fonctionnement de l’indicateur de position;
ajout d’une nouvelle Annexe B intitulée: "Pouvoir d’établissement et de coupure de courant exigé des sectionneurs et des sectionneurs de terre";
ajout d’une nouvelle Annexe C intitulée: "Tolérances sur les grandeurs d’essai pour les essais de type"
ajout d’une nouvelle Annexe E intitulée: "Extension de la validité des essais de type".

General Information

Status
Published
Publication Date
14-May-2018
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
15-May-2018
Ref Project

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IEC 62271-102
Edition 2.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 102: Alternating current disconnectors and earthing switches
Appareillage à haute tension –
Partie 102: Sectionneurs et sectionneurs de terre à courant alternatif
IEC 62271-102:2018-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 62271-102
Edition 2.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 102: Alternating current disconnectors and earthing switches
Appareillage à haute tension –
Partie 102: Sectionneurs et sectionneurs de terre à courant alternatif
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10; 29.130.99 ISBN 978-2-8322-5654-1

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: 3 ----------------------
– 2 – IEC 62271-102:2018 © IEC 2018
CONTENTS

FOREWORD ........................................................................................................................... 9

1 Scope ............................................................................................................................ 12

2 Normative references .................................................................................................... 12

3 Terms and definitions .................................................................................................... 13

3.1 General terms and definitions ............................................................................... 13

3.2 Assemblies of switchgear and controlgear ............................................................ 14

3.3 Parts of assemblies .............................................................................................. 14

3.4 Switching devices ................................................................................................. 14

3.5 Parts of switching devices ..................................................................................... 15

3.6 Operation .............................................................................................................. 18

3.7 Characteristic quantities ....................................................................................... 19

3.8 Index of definitions ................................................................................................ 24

4 Normal and special service conditions ........................................................................... 26

5 Ratings .......................................................................................................................... 26

5.1 General ................................................................................................................. 26

5.2 Rated voltage (U ) ................................................................................................ 27

5.3 Rated insulation level (U , U , U ) ....................................................................... 27

d p s

5.4 Rated frequency (f ) .............................................................................................. 27

5.5 Rated continuous current (I ) ................................................................................ 27

5.6 Rated short-time withstand current (I ) ................................................................. 27

5.7 Rated peak withstand current (I ) ......................................................................... 27

5.8 Rated duration of short-circuit (t ) ......................................................................... 28

5.9 Rated supply voltage of auxiliary and control circuits (U ) .................................... 28

5.10 Rated supply frequency of auxiliary circuits and control circuits ............................ 28

5.11 Rated pressure of compressed gas supply for controlled pressure systems .......... 28

5.11.101 Rated pressure of compressed gas supply for insulation and/or

switching ....................................................................................................... 28

5.11.102 Rated pressure of compressed gas supply for operation ................................ 28

5.101 Rated short-circuit making current (I ) ............................................................... 28

5.102 Classification of earthing switches for short-circuit making .................................... 28

5.103 Rated contact zone ............................................................................................... 29

5.104 Rated static mechanical terminal load ................................................................... 29

5.105 Classification of disconnectors for mechanical endurance ..................................... 30

5.106 Classification of earthing switches for mechanical endurance ............................... 31

5.107 Rated ice-coating .................................................................................................. 31

5.108 Rated values of disconnectors for bus-transfer current switching .......................... 31

5.108.1 Rated bus-transfer current ............................................................................. 31

5.108.2 Rated bus-transfer voltage............................................................................. 32

5.109 Classification and rated values of earthing switches for induced current

switching ............................................................................................................... 32

5.110 Classification and rated values of disconnectors for bus-charging current

switching ............................................................................................................... 33

6 Design and construction ................................................................................................ 34

6.1 Requirements for liquids in disconnectors and earthing switches .......................... 34

6.2 Requirements for gases in disconnectors and earthing switches ........................... 34

6.3 Earthing of disconnectors and earthing switches ................................................... 34

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IEC 62271-102:2018 © IEC 2018 – 3 –

6.4 Auxiliary and control equipment and circuits ......................................................... 35

6.5 Dependent power operation .................................................................................. 35

6.6 Stored energy operation ........................................................................................ 35

6.7 Independent unlatched operation (independent manual or power operation) ......... 35

6.8 Manually operated actuators ................................................................................. 35

6.9 Operation of releases ............................................................................................ 35

6.10 Pressure/level indication ....................................................................................... 35

6.11 Nameplates........................................................................................................... 35

6.12 Locking devices .................................................................................................... 38

6.13 Position indication ................................................................................................. 38

6.14 Degree of protection provided by enclosures ........................................................ 38

6.15 Creepage distances for outdoor insulators ............................................................ 38

6.16 Gas and vacuum tightness .................................................................................... 38

6.17 Tightness for liquid systems .................................................................................. 38

6.18 Fire hazard (flammability) ..................................................................................... 38

6.19 Electromagnetic compatibility (EMC) ..................................................................... 38

6.20 X-ray emission ...................................................................................................... 38

6.21 Corrosion .............................................................................................................. 38

6.22 Filling levels for insulation, switching and/or operation .......................................... 39

6.101 Particular requirements for earthing switches ........................................................ 39

6.102 Requirements in respect of the isolating distance of disconnectors ....................... 39

6.103 Mechanical strength .............................................................................................. 39

6.104 Operation of disconnectors and earthing switches – Position of the movable

contact system and its indicating and signalling devices ....................................... 40

6.104.1 Securing of position ....................................................................................... 40

6.104.2 Additional requirements for power-operated mechanisms .............................. 40

6.104.3 Indication and signalling of position ............................................................... 40

6.105 Maximum force required for manual (dependent or independent) operation ........... 41

6.105.1 General ......................................................................................................... 41

6.105.2 Operation requiring more than one revolution ................................................ 42

6.105.3 Operation requiring up to one revolution ........................................................ 42

6.106 Dimensional tolerances ......................................................................................... 42

6.107 Earthing switches with short-circuit making current capability ............................... 42

7 Type tests ..................................................................................................................... 42

7.1 General ................................................................................................................. 42

7.1.1 Basics ........................................................................................................... 42

7.1.2 Information for identification of test objects .................................................... 44

7.1.3 Information to be included in type test reports ............................................... 44

7.2 Dielectric tests ...................................................................................................... 44

7.2.1 General ......................................................................................................... 44

7.2.2 Ambient air conditions during tests ................................................................ 44

7.2.3 Wet test procedure ........................................................................................ 44

7.2.4 Arrangement of the equipment ....................................................................... 44

7.2.5 Criteria to pass the test ................................................................................. 45

7.2.6 Application of the test voltage and test conditions .......................................... 45

7.2.7 Tests of disconnectors and earthing switches of U ≤ 245 kV ......................... 45

7.2.8 Test of disconnectors and earthing switches of U > 245 kV .......................... 45

7.2.9 Artificial pollution tests for outdoor insulators ................................................. 45

7.2.10 Partial discharge tests ................................................................................... 46

---------------------- Page: 5 ----------------------
– 4 – IEC 62271-102:2018 © IEC 2018

7.2.11 Dielectric tests on auxiliary and control circuits .............................................. 46

7.2.12 Voltage test as condition check ..................................................................... 46

7.3 Radio interference voltage (RIV) test .................................................................... 46

7.4 Resistance measurement ...................................................................................... 46

7.5 Continuous current tests ....................................................................................... 46

7.6 Short-time withstand current and peak withstand current tests .............................. 46

7.6.1 General ......................................................................................................... 46

7.6.2 Arrangement of the disconnectors and earthing switches and of the test

circuit ............................................................................................................ 46

7.6.3 Test current and duration ............................................................................... 52

7.6.4 Conditions of disconnectors and earthing switches after test ......................... 52

7.7 Verification of the protection ................................................................................. 53

7.8 Tightness tests ..................................................................................................... 53

7.9 Electromagnetic compatibility tests (EMC) ............................................................ 53

7.10 Additional tests on auxiliary and control circuits .................................................... 53

7.11 X-ray radiation test for vacuum interrupters........................................................... 53

7.101 Test to prove the short-circuit making performance of earthing switches ............... 54

7.101.1 General test conditions .................................................................................. 54

7.101.2 Arrangement of the earthing switch for tests .................................................. 54

7.101.3 Test frequency ............................................................................................... 54

7.101.4 Test voltage ................................................................................................... 54

7.101.5 Test short-circuit making current .................................................................... 55

7.101.6 Test circuits ................................................................................................... 55

7.101.7 Test procedures ............................................................................................. 55

7.101.8 Behaviour of earthing switches when making short-circuit currents ................ 56

7.101.9 Condition of earthing switch after short-circuit making tests ........................... 56

7.101.10 Invalid tests ................................................................................................... 57

7.101.11 Type test reports ........................................................................................... 57

7.102 Operating and mechanical endurance tests ........................................................... 58

7.102.1 General test conditions .................................................................................. 58

7.102.2 Contact zone test........................................................................................... 58

7.102.3 Mechanical endurance test ............................................................................ 61

7.102.4 Operation during the application of rated static mechanical terminal

loads ............................................................................................................. 63

7.102.5 Extended mechanical endurance tests ........................................................... 64

7.102.6 Testing of mechanical interlocking devices. ................................................... 65

7.103 Operation under severe ice conditions .................................................................. 65

7.103.1 General ......................................................................................................... 65

7.103.2 Test arrangement .......................................................................................... 65

7.103.3 Test procedure .............................................................................................. 66

7.104 Low- and high-temperature tests ........................................................................... 67

7.104.1 General ......................................................................................................... 67

7.104.2 Measurement of ambient air temperature ....................................................... 68

7.104.3 Low-temperature test ..................................................................................... 68

7.104.4 High-temperature test .................................................................................... 70

7.105 Tests to verify the proper functioning of the position-indicating device .................. 70

7.105.1 General ......................................................................................................... 70

7.105.2 Tests on the power kinematic chain and the position-indicating

kinematic chain .............................................................................................. 71

7.106 Bus-transfer current switching tests on disconnectors ........................................... 71

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IEC 62271-102:2018 © IEC 2018 – 5 –

7.106.1 General ......................................................................................................... 71

7.106.2 Making and breaking tests ............................................................................. 71

7.107 Induced current switching tests on earthing switches ............................................ 75

7.107.1 General ......................................................................................................... 75

7.107.2 Arrangement of the earthing switch for tests .................................................. 75

7.107.3 Earthing of test circuit and earthing switch ..................................................... 76

7.107.4 Test frequency ............................................................................................... 76

7.107.5 Test voltage ................................................................................................... 76

7.107.6 Test currents ................................................................................................. 76

7.107.7 Test circuits ................................................................................................... 76

7.108 Bus-charging current switching tests on disconnectors.......................................... 81

7.108.1 General ......................................................................................................... 81

7.108.2 Test duties ..................................................................................................... 82

7.108.3 Arrangement of the disconnector for tests ...................................................... 82

7.108.4 Test frequency ............................................................................................... 82

7.108.5 Test voltages for making and breaking tests .................................................. 83

7.108.6 Test circuits for making and breaking tests .................................................... 84

7.108.7 Performance of making and breaking tests .................................................... 86

7.108.8 Behaviour of the disconnector during making and breaking tests ................... 86

7.108.9 Condition after test ........................................................................................ 87

7.108.10 Type test reports ........................................................................................... 87

7.108.11 Requirements for U measurements ......................................................... 88

TVE

8 Routine tests ................................................................................................................. 88

8.1 General ................................................................................................................. 88

8.2 Dielectric test on the main circuit .......................................................................... 88

8.3 Tests on auxiliary and control circuits ................................................................... 89

8.4 Measurement of the resistance of the main circuit ................................................. 89

8.5 Tightness test ....................................................................................................... 89

8.6 Design and visual checks ...................................................................................... 89

8.101 Mechanical operating tests ................................................................................... 89

8.102 Verification of earthing function ............................................................................. 90

9 Guide to the selection of disconnectors and earthing switches (informative) .................. 90

9.1 General ................................................................................................................. 90

9.2 Selection of rated values ....................................................................................... 91

9.2.101 General ......................................................................................................... 91

9.2.102 Selection of rated voltage and rated insulation level ...................................... 91

9.2.103 Selection of rated continuous current ............................................................. 91

9.2.104 Selection of rated contact zone ...................................................................... 91

9.2.105 Selection of rated static mechanical terminal load .......................................... 92

9.2.106 Selection of a bus-transfer current switching capability for

disconnectors of U > 52 kV ........................................................................... 92

9.2.107 Selection of an induced-current switching capability for earthing

switches of U > 52 kV ................................................................................... 92

9.2.108 Selection of rated short-time withstand current and of rated duration of

short-circuit ................................................................................................... 92

9.2.109 Selection of rated peak withstand current and of rated short-circuit

making current for earthing switches.............................................................. 93

9.2.110 Selection of short-circuit making capability for earthing switches ................... 93

9.3 Cable-interface considerations .............................................................................. 93

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– 6 – IEC 62271-102:2018 © IEC 2018

9.4 Continuous or temporary overload due to changed service conditions ................... 93

9.5 Environmental aspects .......................................................................................... 93

9.5.101 Local environmental conditions ...................................................................... 93

10 Information to be given with enquiries, tenders and orders (informative) ........................ 94

10.1 General ................................................................................................................. 94

10.2 Information with enquiries and orders ...............................
...

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