High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches

IEC 62271-109:2019 is available as IEC 62271-109:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62271-109:2019 is applicable to AC series capacitor by-pass switches designed for outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 52 kV. It is only applicable to by-pass switches for use in three-phase systems. This document is also applicable to the operating devices of by-pass switches and to their auxiliary equipment. This third edition cancels and replaces the second edition published in 2008 and Amendment 1:2013. This edition constitutes a technical revision. This edition contains the following significant technical changes with respect to the previous edition:
a) the document has been restructured according to edition 2.0 of IEC 62271-1;
b) the rated voltage assignation across the by-pass switch has been aligned to the rule defined in IEC 60143-1;
c) clarification has been given regarding rated continuous current of compensated and uncompensated line;
d) some clarifications have been given following a loss of "suitable precautions";
e) as per Amendment 2 of IEC 62271-100, the section "Rated time quantities" has been moved to Clause 6 under "Time quantities";
f) as per Amendment 2 of IEC 62271-100, the section "Test for static mechanical loads" have been moved to Clause 6 under "Static mechanical loads";
g) additional rules have been introduced for vacuum interrupters during impulse tests;
h) additional clarifications have been given regarding the number of reduced impulses during impulse tests;
i) a wider tolerance on the current damping during by-pass making current test-duty has been introduced.

Appareillage à haute tension - Partie 109 : Interrupteurs de contournement pour condensateurs série à courant alternatif

IEC 62271-109:2019 est disponible sous forme de IEC 62271-109:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L’IEC 62271-109:2019 est applicable aux interrupteurs de contournement pour condensateurs série à courant alternatif conçus pour l'installation à l'extérieur et pour fonctionner à des fréquences de 50 Hz et 60 Hz, sur des réseaux de tensions supérieures à 52 kV. Elle s’applique uniquement aux interrupteurs de contournement destinés à être utilisés dans les systèmes triphasés. Le présent document est également applicable aux dispositifs de commande des interrupteurs de contournement et à leurs équipements auxiliaires. Cette troisième édition annule et remplace la deuxième édition parue en 2008 et son Amendement 1:2013. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) le document a été remanié selon l’édition 2.0 de l’IEC 62271-1;
b) l'assignation de tensions assignées aux bornes de l’interrupteur de contournement a été alignée sur la règle définie dans l’IEC 60143-1;
c) des précisions ont été apportées au sujet du courant permanent assigné de la ligne compensée et de la ligne non compensée;
d) des clarifications ont été apportées suivant une perte des "précautions appropriées";
e) conformément à l’Amendement 2 de l’IEC 62271-100, la section "Durées assignées" a été déplacée à l’Article 6 sous "Durées";
f) conformément à l’Amendement 2 de l’IEC 62271-100, la section "Essai des charges mécaniques statiques" a été déplacée à l’Article 6 sous "Charges mécaniques statiques";
g) des règles supplémentaires ont été introduites pour les ampoules à vide pendant les essais de chocs;
h) des clarifications supplémentaires ont été apportées au sujet du nombre de chocs réduits pendant les essais de chocs;
i) une tolérance plus grande pour l'amortissement du courant pendant la séquence d’essai d’établissement du courant de contournement a été introduite.

General Information

Status
Published
Publication Date
07-Apr-2019
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
08-Apr-2019
Ref Project

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IEC 62271-109
Edition 3.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 109: Alternating-current series capacitor by-pass switches
Appareillage à haute tension –
Partie 109: Interrupteurs de contournement pour condensateurs série à courant
alternatif
IEC 62271-109:2019-04(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 62271-109
Edition 3.0 2019-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 109: Alternating-current series capacitor by-pass switches
Appareillage à haute tension –
Partie 109: Interrupteurs de contournement pour condensateurs série à courant
alternatif
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-6673-1

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® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 62271-109:2019  IEC 2019
CONTENTS

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

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

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

3 Terms and definitions .................................................................................................... 12

3.1 General terms and definitions ............................................................................... 12

3.2 Assemblies ........................................................................................................... 15

3.3 Parts of assemblies .............................................................................................. 15

3.4 Switching devices ................................................................................................. 15

3.5 Parts of by-pass switches ..................................................................................... 17

3.6 Operational characteristics of by-pass switches .................................................... 20

3.7 Characteristic quantities ....................................................................................... 22

3.8 Terms and definitions related to series capacitor banks ........................................ 30

3.9 Index of definitions ................................................................................................ 33

4 Normal and special service conditions ........................................................................... 37

5 Ratings .......................................................................................................................... 37

5.1 General ................................................................................................................. 37

5.2 Rated voltage (U ) ................................................................................................ 38

5.2.1 General ......................................................................................................... 38

5.2.2 Range I for rated voltage of 245 kV and below ............................................... 38

5.2.3 Range II for rated voltage above 245 kV ........................................................ 38

5.3 Rated insulation level (U , U , U ) ....................................................................... 38

p d s

5.3.101 Rated insulation level to earth (U , U , U ) ............................................. 38

pe de se

5.3.102 Rated insulation level across the by-pass switch (U , U , U ) ................. 38

pp dp sp

5.4 Rated frequency (f ) .............................................................................................. 39

5.5 Rated continuous current (I ) ................................................................................ 39

5.6 Rated short-time withstand current (I ) ................................................................. 39

5.7 Rated peak withstand current (I ) ......................................................................... 39

5.8 Rated duration of short-circuit (t ) ......................................................................... 39

5.9 Rated supply voltage of auxiliary and control circuits (U ) .................................... 39

5.10 Rated supply frequency of auxiliary and control circuits ........................................ 39

5.11 Rated pressures of compressed gas supply for controlled pressure systems ......... 39

5.101 Rated operating sequence .................................................................................... 39

5.102 Rated by-pass making current (I ) ..................................................................... 40

5.103 Rated by-pass insertion current (I ) .................................................................. 41

INS

5.104 Rated reinsertion voltage (U ) .......................................................................... 41

INS

5.105 Number of mechanical operations ......................................................................... 41

6 Design and construction ................................................................................................ 41

6.1 Requirements for liquids in by-pass switches ........................................................ 41

6.2 Requirements for gases in by-pass switches ......................................................... 42

6.3 Earthing of by-pass switches................................................................................. 42

6.4 Auxiliary and control equipment and circuits ......................................................... 42

6.4.1 General ......................................................................................................... 42

6.4.2 Protection against electrical shock ................................................................. 42

6.4.3 Components installed in enclosures ............................................................... 42

6.5 Dependent power operation .................................................................................. 43

6.6 Stored energy operation ........................................................................................ 43

---------------------- Page: 4 ----------------------
IEC 62271-109:2019  IEC 2019 – 3 –

6.7 Independent unlatched operation (independent manual or power operation) ......... 43

6.8 Manually operated actuators ................................................................................. 43

6.9 Operation of releases ............................................................................................ 43

6.9.1 General ......................................................................................................... 43

6.9.2 Shunt closing releases ................................................................................... 43

6.9.3 Shunt opening releases ................................................................................. 43

6.9.4 Capacitor operation of shunt releases ............................................................ 44

6.9.5 Under-voltage release ................................................................................... 44

6.9.101 Multiple releases ........................................................................................... 44

6.9.102 Operation limits of releases ........................................................................... 44

6.9.103 Power consumption of releases ..................................................................... 44

6.10 Pressure/level indication ....................................................................................... 44

6.10.101 Low- and high-pressure interlocking devices .................................................. 44

6.11 Nameplates........................................................................................................... 44

6.12 Locking devices .................................................................................................... 46

6.13 Position indication ................................................................................................. 46

6.14 Degrees of protection provided by enclosures ....................................................... 46

6.15 Creepage distances for outdoor insulators ............................................................ 46

6.16 Gas and vacuum tightness .................................................................................... 46

6.17 Tightness for liquid systems .................................................................................. 46

6.18 Fire hazard (flammability) ..................................................................................... 46

6.19 Electromagnetic compatibility ................................................................................ 46

6.20 X-ray emission ...................................................................................................... 46

6.21 Corrosion .............................................................................................................. 46

6.22 Filling levels for insulation, by-passing, insertion and/or operation ........................ 46

6.101 Requirements for simultaneity within a pole .......................................................... 46

6.102 General requirement for operation ........................................................................ 46

6.103 Pressure limits of fluids for operation .................................................................... 47

6.104 Vent outlets .......................................................................................................... 47

6.105 Time quantities ..................................................................................................... 47

6.106 Static mechanical loads ........................................................................................ 48

7 Type tests ..................................................................................................................... 48

7.1 General ................................................................................................................. 48

7.1.1 Basics ........................................................................................................... 48

7.1.2 Information for identification of test objects .................................................... 49

7.1.3 Information to be included in type test reports ............................................... 49

7.1.101 Invalid tests ................................................................................................... 50

7.1.102 Type tests to repeat for by-pass switches with alternative operating

mechanisms .................................................................................................. 50

7.2 Dielectric tests ...................................................................................................... 50

7.2.1 General ......................................................................................................... 50

7.2.2 Ambient air conditions during tests ................................................................ 50

7.2.3 Wet test procedure ........................................................................................ 51

7.2.4 Arrangement of the equipment ....................................................................... 51

7.2.5 Criteria to pass the test ................................................................................. 51

7.2.6 Application of test voltage and test conditions ............................................... 51

7.2.7 Tests of by-pass switches of U ≤ 245 kV or U ≤ 245 kV ........................... 51

re rp

7.2.8 Tests of by-pass switches of U > 245 kV or U > 245 kV ........................... 52

re rp

7.2.9 Artificial pollution tests for outdoor insulators ................................................. 52

---------------------- Page: 5 ----------------------
– 4 – IEC 62271-109:2019  IEC 2019

7.2.10 Partial discharge tests ................................................................................... 52

7.2.11 Dielectric tests on auxiliary and control circuits .............................................. 53

7.2.12 Voltage test as condition check ..................................................................... 53

7.3 Radio interference voltage (RIV) tests ................................................................... 54

7.4 Resistance measurement ...................................................................................... 54

7.5 Continuous current tests ....................................................................................... 55

7.5.1 Conditions of the test object .......................................................................... 55

7.5.2 Arrangement of the equipment ....................................................................... 55

7.5.3 Test current and duration ............................................................................... 55

7.5.4 Temperature measurement during test .......................................................... 56

7.5.5 Resistance of the main circuit ........................................................................ 56

7.5.6 Criteria to pass test ....................................................................................... 56

7.6 Short-time withstand current and peak withstand current tests .............................. 56

7.6.1 General ......................................................................................................... 56

7.6.2 Arrangement of the by-pass switch and of the test circuit ............................... 56

7.6.3 Test current and duration ............................................................................... 56

7.6.4 Condition of the by-pass switch after test....................................................... 56

7.7 Verification of the protection ................................................................................. 56

7.7.1 Verification of the IP coding ........................................................................... 56

7.7.2 Verification of the IK coding ........................................................................... 56

7.8 Tightness tests ..................................................................................................... 56

7.9 Electromagnetic compatibility tests (EMC) ............................................................ 56

7.9.1 Emission tests ............................................................................................... 56

7.9.2 Immunity tests on auxiliary and control circuits .............................................. 57

7.9.3 Additional EMC tests on auxiliary and control circuits .................................... 57

7.10 Additional tests on auxiliary and control circuits .................................................... 57

7.10.1 General ......................................................................................................... 57

7.10.2 Functional tests ............................................................................................. 57

7.10.3 Verification of the operational characteristics of auxiliary contacts ................. 57

7.10.4 Environmental tests ....................................................................................... 57

7.10.5 Dielectric test ................................................................................................ 58

7.11 X-Radiation test for vacuum interrupters ............................................................... 58

7.101 Mechanical and environmental tests ..................................................................... 58

7.101.1 Miscellaneous provisions for mechanical and environmental tests ................. 58

7.101.2 Mechanical operation test at ambient air temperature .................................... 60

7.101.3 Low and high temperature tests ..................................................................... 62

7.101.4 Humidity test ................................................................................................. 68

7.101.5 Test to prove the operation under severe ice conditions ................................ 68

7.102 Miscellaneous provisions for by-pass making and insertion tests .......................... 68

7.102.1 General ......................................................................................................... 68

7.102.2 Number of test specimens ............................................................................. 69

7.102.3 Arrangement of by-pass switch for tests ........................................................ 69

7.102.4 General considerations concerning testing methods ...................................... 70

7.102.5 Synthetic tests ............................................................................................... 73

7.102.6 No-load operations before tests ..................................................................... 73

7.102.7 Alternative operating mechanisms ................................................................. 73

7.102.8 Behaviour of by-pass switch during tests ....................................................... 74

7.102.9 Condition of by-pass switch after tests ........................................................... 74

---------------------- Page: 6 ----------------------
IEC 62271-109:2019  IEC 2019 – 5 –
7.103 By-pass making current test-duty and insertion current test-duty, sequence

of tests .................................................................................................................. 76

7.103.1 General ......................................................................................................... 76

7.103.2 By-pass making current test-duty ................................................................... 76

7.103.3 Insertion current test-duty .............................................................................. 79

7.103.4 Criteria to pass the test duties ....................................................................... 88

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 ................................................................... 90

8.3.1 Inspection of auxiliary and control circuits, and verification of conformity

to circuit diagrams and wiring diagrams ......................................................... 90

8.3.2 Functional tests ............................................................................................. 90

8.3.3 Verification of protection against electrical shock ........................................... 90

8.3.4 Dielectric tests ............................................................................................... 90

8.4 Measurement of the resistance of the main circuit ................................................. 90

8.5 Tightness test ....................................................................................................... 90

8.5.1 General ......................................................................................................... 90

8.5.2 Controlled pressure systems for gas .............................................................. 90

8.5.3 Closed pressure systems for gas ................................................................... 91

8.5.4 Sealed pressure systems ............................................................................... 91

8.5.5 Liquid tightness tests ..................................................................................... 91

8.6 Design and visual checks ...................................................................................... 91

8.101 Mechanical operating tests ................................................................................... 91

9 Guide to the selection of by-pass switches (informative) ................................................ 93

10 Information to be given with enquiries, tenders and orders (informative) ........................ 93

10.1 General ................................................................................................................. 93

10.2 Information with enquiries and orders ................................................................... 93

10.3 Information with tenders ........................................................................................ 94

11 Transport, storage, installation, operating instructions and maintenance........................ 96

11.1 General ................................................................................................................. 96

11.2 Conditions during transport, storage and installation ............................................. 96

11.3 Installation ............................................................................................................ 96

11.4 Operating instruction ............................................................................................. 96

11.5 Maintenance ......................................................................................................... 96

Guide for commissioning tests .............................................................................. 96

11.101.1 General ......................................................................................................... 96

11.101.2 Commissioning checks and test programme .................................................. 97

11.101.3 Resistors and capacitors (if applicable) ....................................................... 102

12 Safety .......................................................................................................................... 102

12.1 General ............................................................................................................... 102

12.2 Precautions by manufacturers ............................................................................. 103

12.3 Precautions by users .......................................................................................... 103

13 Influence of the product on environment ...................................................................... 103

Annex A (normative) Tolerances on test quantities during type tests .................................. 104

Annex B (normative) Records and reports of type tests ...................................................... 108

B.1 Information and results to be recorded ................................................................ 108

B.2 Information to be included in type test reports ..................................................... 108

---------------------- Page: 7 ----------------------
– 6 – IEC 62271-109:2019  IEC 2019

B.2.1 General ....................................................................................................... 108

B.2.2 Apparatus tested ......................................................................................... 108

B.2.3 Rated characteristics of by-pass switch, including its operating devices

and auxiliary equipment ............................................................................... 108

B.2.4 Test conditions (for each series of tests; if applicable) ................................. 108

B.2.5 Short-time withstand current and peak withstand current test ...................... 109

B.2.6 No-load operation ........................................................................................ 109

B.2.7 By-pass making current test-duty ................................................................. 109

B.2.8 Insertion current test-duty ............................................................................ 109

B.2.9 Oscillographic and other records ................................................................. 110

Annex C (informative)
...

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