IEC 62271-212:2016
(Main)High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
IEC 62271-212:2016 specifies the service conditions, rated characteristics, general structural requirements and test methods of the assemblies of the main electrical functional units of a high-voltage/low-voltage distribution substation, duly interconnected, for alternating current of rated operating voltages above 1 kV and up to and including 52 kV on the high-voltage side, service frequency 50 Hz or 60 Hz. This assembly is to be cable-connected to the network, and intended for installation within an indoor or outdoor closed electrical operating area.
This publication is to be read in conjunction with IEC 62271-1:2007
Appareillage à haute tension - Partie 212: Ensemble Compact d'Équipement pour Postes de Distribution (ECEPD)
L'IEC 62271-212:2016 spécifie les conditions de service, les caractéristiques assignées, les exigences structurelles générales et les méthodes d'essai des ensembles des principales unités fonctionnelles électriques d'un poste de distribution haute tension/basse tension, dûment interconnecté, pour le courant alternatif à des tensions de fonctionnement assignées supérieures à 1 kV et inférieures ou égales à 52 kV du côté haute tension, avec une fréquence de service de 50 Hz ou 60 Hz. Cet ensemble doit être raccordé par câble au réseau, et il est destiné à être installé dans un local de service électrique fermé en intérieur ou en extérieur.
Cette publication doit être lue conjointement avec l'IEC 62271-1:2007.
General Information
Standards Content (sample)
IEC 62271-212
Edition 1.0 2016-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
Appareillage à haute tension –
Partie 212: Ensemble Compact d'Equipement pour Postes de Distribution
(ECEPD)
IEC 62271-212:2016-10(en-fr)
---------------------- Page: 1 ----------------------
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IEC 62271-212
Edition 1.0 2016-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
Appareillage à haute tension –
Partie 212: Ensemble Compact d'Equipement pour Postes de Distribution
(ECEPD)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-3633-8
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 CommissionMarque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 62271-212:2016 © IEC 2016
CONTENTS
FOREWORD ........................................................................................................................... 7
INTRODUCTION ..................................................................................................................... 9
1 General ......................................................................................................................... 10
1.1 Scope ................................................................................................................... 10
1.2 Normative references ............................................................................................ 10
2 Normal and special service conditions ........................................................................... 12
2.1 Normal service conditions ..................................................................................... 12
2.2 Special service conditions ..................................................................................... 12
3 Terms and definitions .................................................................................................... 12
4 Ratings .......................................................................................................................... 14
4.1 Rated voltage ....................................................................................................... 14
4.2 Rated insulation level ............................................................................................ 15
4.3 Rated frequency (f ) .............................................................................................. 15
4.4 Rated normal current and temperature rise ........................................................... 15
4.4.1 Rated normal current (I ,I ) ........................................................................ 15
r nA4.4.2 Temperature rise ........................................................................................... 15
4.5 Rated short-time withstand currents (I , I , I ) .................................................. 16
k ke cw4.5.101 Rated short-time phase to phase and rated short-time phase to earth
withstand currents of high-voltage functional unit and rated short-time
withstand current of high-voltage interconnection (I , I ) ............................. 16
k ke4.5.102 Rated short-time withstand currents of low-voltage functional unit and
low-voltage interconnection (I )................................................................... 16
4.5.103 Short-time withstand currents of high-voltage/low-voltage transformerfunctional unit ................................................................................................ 16
4.6 Rated peak withstand currents (I , I , I ) ......................................................... 16
p pe pk4.6.101 Rated peak phase to phase and rated peak phase to earth withstand
currents of high-voltage functional unit and rated peak withstand current
of high-voltage interconnection (I , I ) ........................................................ 16
p pe4.6.102 Rated peak withstand currents of low-voltage and low-voltage
interconnection (I ) ...................................................................................... 17
4.6.103 Peak withstand currents of high-voltage/low-voltage transformerfunctional unit ................................................................................................ 17
4.7 Rated durations of short circuit (t , t , t ) .......................................................... 17
k ke cw4.7.101 Rated duration of phase to phase short circuit (t ) and rated duration of
phase to earth short circuit (t ) of high-voltage functional unit andrated duration of short-circuit of high-voltage interconnection ........................ 17
4.7.102 Rated duration of short circuit (t ) for low-voltage functional unit andlow-voltage interconnection ........................................................................... 17
4.7.103 Duration of short circuit for high-voltage/low-voltage transformerfunctional unit ................................................................................................ 17
4.8 Rated supply voltage of closing and opening devices and of auxiliary andcontrol circuits ...................................................................................................... 17
4.9 Rated supply frequency of closing and opening devices and of auxiliarycircuits .................................................................................................................. 17
4.101 Rated power and total losses of CEADS ............................................................... 18
4.102 Ratings of the internal arc classification (IAC) ....................................................... 18
4.102.1 General ......................................................................................................... 18
4.102.2 Types of accessibility (A, B, AB) .................................................................... 18
4.102.3 Classified sides ............................................................................................. 18
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4.102.4 Rated arc fault currents (I , I ) ................................................................... 18
A Ae4.102.5 Rated arc fault duration (t , t ) ................................................................... 19
A Ae5 Design and construction ................................................................................................ 19
5.1 Requirements for liquids in switchgear and controlgear ......................................... 19
5.2 Requirements for gases in switchgear and controlgear ......................................... 20
5.3 Earthing of switchgear and controlgear ................................................................. 20
5.4 Auxiliary and control equipment ............................................................................ 20
5.5 Dependent power operation .................................................................................. 20
5.6 Stored energy operation ........................................................................................ 21
5.7 Independent manual or power operation (independent unlatched operation) ......... 21
5.8 Operation of releases ............................................................................................ 21
5.9 Low- and high-pressure interlocking and monitoring devices ................................. 21
5.10 Nameplates........................................................................................................... 21
5.11 Interlocking devices .............................................................................................. 21
5.12 Position indication ................................................................................................. 21
5.13 Degrees of protection provided by enclosures ....................................................... 21
5.14 Creepage distances for outdoor insulators ............................................................ 22
5.15 Gas and vacuum tightness .................................................................................... 22
5.16 Liquid tightness ..................................................................................................... 22
5.17 Fire hazard (flammability) ..................................................................................... 22
5.18 Electromagnetic compatibility (EMC) ..................................................................... 22
5.19 X-ray emission ...................................................................................................... 22
5.20 Corrosion .............................................................................................................. 23
5.101 Protection against mechanical stresses ................................................................ 23
5.102 Protection of the environment due to internal defects ............................................ 23
5.103 Internal arc fault .................................................................................................... 23
5.104 Enclosures ............................................................................................................ 24
5.105 Sound emission .................................................................................................... 24
5.106 Electromagnetic fields ........................................................................................... 24
6 Type tests ..................................................................................................................... 24
6.1 General ................................................................................................................. 24
6.1.1 Grouping of tests ........................................................................................... 25
6.1.2 Information for identification of test objects .................................................... 25
6.1.3 Information to be included in type-test reports ............................................... 25
6.2 Dielectric tests ...................................................................................................... 26
6.2.1 General ......................................................................................................... 26
6.2.2 Dielectric tests on the high-voltage interconnection ....................................... 26
6.2.3 Dielectric tests on the low-voltage interconnection ......................................... 27
6.2.4 Dielectric tests on high-voltage functional unit ............................................... 28
6.2.5 Dielectric tests on high-voltage/low-voltage transformer functional unit .......... 28
6.2.6 Dielectric tests on low-voltage functional unit ................................................. 28
6.2.7 Partial discharge test ..................................................................................... 29
6.3 Radio interference voltage (r.i.v) test .................................................................... 29
6.4 Measurement of the resistance of circuits ............................................................. 29
6.5 Temperature-rise tests .......................................................................................... 29
6.5.1 General ......................................................................................................... 29
6.5.2 Test conditions .............................................................................................. 29
6.5.3 Test methods ................................................................................................. 30
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6.5.4 Special case of dry-type high-voltage/low-voltage transformer functional
unit ................................................................................................................ 33
6.5.5 Measurements ............................................................................................... 33
6.6 Short-time withstand current and peak withstand current tests .............................. 35
6.6.1 Short-time and peak withstand current tests on main circuit of high-voltage and low-voltage functional units ......................................................... 35
6.6.2 Short-time and peak withstand current tests on high-voltage and low-voltage interconnections ................................................................................ 35
6.6.3 Short-time and peak withstand current tests on earthing circuits .................... 35
6.6.4 Short-time and peak withstand current tests on high-voltage/low-voltagetransformer functional unit ............................................................................. 36
6.7 Verification of the protection, ................................................................................ 36
6.7.1 Verification of degree of protection (IP coding) .............................................. 36
6.7.2 Verification of resistance to mechanical impacts (IK coding) .......................... 36
6.8 Tightness tests ..................................................................................................... 36
6.9 Electromagnetic compatibility tests (EMC) ............................................................ 36
6.10 Additional tests on auxiliary and control circuits .................................................... 36
6.10.1 General ......................................................................................................... 36
6.10.2 Functional tests ............................................................................................. 37
6.10.3 Electrical continuity of earthed metallic parts test .......................................... 37
6.10.4 Verification of the operational characteristics of auxiliary contacts ................. 37
6.10.5 Environmental tests ....................................................................................... 37
6.10.6 Dielectric test ................................................................................................ 37
6.11 X-radiation test procedure for vacuum interrupters ................................................ 37
6.101 Internal arc test ..................................................................................................... 37
6.101.1 General ......................................................................................................... 37
6.101.2 Test conditions .............................................................................................. 38
6.101.3 Arrangement of the equipment ....................................................................... 38
6.101.4 Test procedure .............................................................................................. 39
6.101.5 Criteria to pass the test ................................................................................. 39
6.101.6 Test report ..................................................................................................... 39
6.101.7 Extension of validity of test results ................................................................. 40
6.102 Verification of making and breaking capacities ...................................................... 40
6.103 Mechanical operation tests ................................................................................... 40
6.104 Mechanical stability test ........................................................................................ 40
6.105 Pressure withstand test for gas-filled compartments.............................................. 40
6.106 Measurements of leakage currents of non-metallic enclosures .............................. 41
6.107 Weatherproofing test ............................................................................................. 41
6.108 Tightness and mechanical strength for liquid filled compartments ......................... 41
6.109 Measurement or calculation of electromagnetic fields ........................................... 41
7 Routine tests ................................................................................................................. 42
7.1 Dielectric tests on the main circuit ......................................................................... 42
7.1.1 General ......................................................................................................... 42
7.1.2 Dielectric tests on high-voltage functional unit ............................................... 42
7.1.3 Dielectric tests on high-voltage/low-voltage transformer functional unitand high-voltage interconnection ................................................................... 43
7.1.4 Dielectric tests on low-voltage functional unit and low-voltageinterconnection .............................................................................................. 43
7.2 Tests on auxiliary and control circuits ................................................................... 43
7.3 Measurement of the resistance of the main circuit ................................................. 43
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7.4 Tightness test ....................................................................................................... 43
7.5 Design and visual checks ...................................................................................... 43
7.101 Mechanical operation tests on high-voltage functional unit .................................... 43
7.102 Pressure tests of gas-filled compartments ............................................................. 43
7.103 Tests of auxiliary electrical, pneumatic and hydraulic devices ............................... 44
7.104 Measurement of the resistance of the windings ..................................................... 44
7.105 Measurement of the voltage ratio .......................................................................... 44
7.106 Measurement of the short circuit impedance and load losses ................................ 44
7.107 Measurement of no-load losses and current .......................................................... 44
7.108 Inspection of the low-voltage functional unit, including inspection of wiring
and, if necessary, electrical operation test ............................................................ 44
7.109 Checking of protective measures and of the electrical continuity of theprotective circuits of the low-voltage functional unit ............................................... 44
7.110 Tests after assembly on site ................................................................................. 44
8 Guide to the selection of CEADS ................................................................................... 44
8.1 Selection of rated values ....................................................................................... 45
8.2 Continuous or temporary overload due to changed service conditions ................... 45
8.101 Selection of internal arc classification ................................................................... 45
8.102 Information ........................................................................................................... 47
9 Information to be given with enquiries, tenders and orders ............................................ 51
9.1 Information with enquiries and orders ................................................................... 51
9.2 Information with tenders ........................................................................................ 52
10 Rules for transport, installation, operation and maintenance .......................................... 52
10.1 Conditions during transport, storage and installation ............................................. 53
10.2 Installation ............................................................................................................ 53
10.2.1 Unpacking and lifting ..................................................................................... 53
10.2.2 Assembly ....................................................................................................... 53
10.2.3 Mounting ....................................................................................................... 53
10.2.4 Final installation inspection ............................................................................ 53
10.3 Operation .............................................................................................................. 53
10.4 Maintenance ......................................................................................................... 54
10.5 Dismantling, recycling and disposal at the end of service life ................................ 54
11 Safety ............................................................................................................................ 54
11.101 Electrical aspects ............................................................................................... 54
11.102 Mechanical aspects ............................................................................................ 54
11.103 Thermal aspects ................................................................................................. 54
11.104 Internal arc aspects ............................................................................................ 54
12 Influence of the product on the environment .................................................................. 54
Annex AA (normative) Method for testing CEADS under conditions of arcing due to an
internal arc fault .................................................................................................................... 56
AA.1 General ................................................................................................................. 56
AA.2 Room simulation ................................................................................................... 56
AA.3 Indicators (for assessing the thermal effects of the gases) .................................... 56
AA.3.1 General ......................................................................................................... 56
AA.3.2 Arrangement of indicators .............................................................................. 57
AA.4 Tolerances for geometrical dimensions of test arrangements ................................ 58
AA.5 Test parameters .................................................................................................... 58
AA.6 Test procedure ...................................................................................................... 58
AA.7 Designation of the internal arc classification ......................................................... 59
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Annex BB (normative) Test to verify the sound level of a CEADS ......................................... 68
BB.1 Purpose ................................................................................................................ 68
BB.2 Test object ............................................................................................................ 68
BB.3 Test method .......................................................................................................... 68
BB.4 Measurements ...................................................................................................... 68
BB.5...
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