BS EN 62271-103:2011:2013 Edition
$215.11
High-voltage switchgear and controlgear – Switches for rated voltages above 1 kV up to and including 52 kV
| Published By | Publication Date | Number of Pages |
| BSI | 2013 | 72 |
This part of IEC 62271 is applicable to three-phase, alternating current switches and switch – disconnectors for their switching function, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages above 1 kV up to and including 52 kV and for rated frequencies from 16 2/3 Hz up to and including 60 Hz. This standard is also applicable to single-pole switches used on three phase systems.
This standard is also applicable to the operating devices of these switches and to their auxiliary equipment.
Switch-disconnectors are also covered by IEC 62271-102 for their disconnecting function.
Devices that require a dependent manual operation are not covered by this standard.
General principles and provisions of this standard may also be applicable to single pole switches intended for application in single -phase systems. The requirements for dielectric tests and making and breaking tests should be in accordance with the requirements of the specific application.
This standard establishes requirements for general, limited and special purpose switches used in distribution systems.
It is assumed that opening and closing operations are performed according to the manufacturer’s instructions. A making operation may immediately follow a breaking operation but a breaking operation should not immediately follow a making operation since the current to be broken may then exceed the rated breaking current of the switch.
NOTE 1 Except where special clarification is required, the term “switch” is used to refer to all kinds of switches and switch-disconnectors within the scope of this standard.
NOTE 2 Earthing switches are not covered by this standard. Earthing switches forming an integral part of a switch are covered by IEC 62271-102.
NOTE 3 This standard is not applicable to switching devices attached as an accessory to a high -voltage fuse assembly or its mounting and operated by opening and closing the fuse assembly.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | English CONTENTS |
| 11 | 1 General 1.1 Scope 1.2 Normative references |
| 12 | 2 Normal and special service conditions 3 Terms and definitions 3.1 General terms 3.2 Assemblies of switchgear and controlgear 3.3 Parts of assemblies 3.4 Switching devices |
| 14 | 3.5 Parts of switchgear and controlgear 3.6 Operation 3.7 Characteristic quantities |
| 16 | 3.8 Index of definitions |
| 17 | 4 Ratings 4.1 Rated voltage (Ur) |
| 18 | 4.2 Rated insulation level 4.3 Rated frequency (fr) 4.4 Rated normal current and temperature rise 4.5 Rated short-time withstand current (Ik) 4.6 Rated peak withstand current (Ip) 4.7 Rated duration of short-circuit (tk) 4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua) 4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits 4.10 Rated pressure of compressed gas supply for controlled pressure systems 4.11 Rated filling levels for insulation and/or operation 4.101 Rated mainly active load-breaking current (Iload) |
| 19 | 4.102 Rated closed-loop breaking current (Iloop and Ipptr) 4.103 Rated cable-charging breaking current (Icc) 4.104 Rated line-charging breaking current (Ilc) 4.105 Rated single capacitor bank breaking current for special purpose switches (Isb) 4.106 Rated back-to-back capacitor bank breaking current for special purpose switches (Ibb) 4.107 Rated back-to-back capacitor bank inrush making current for special purpose switches (Iin) 4.108 Rated earth fault breaking current (Ief1) |
| 20 | 4.109 Rated cable- and line-charging breaking current under earth fault conditions (Ief2) 4.110 Rated motor breaking current for special purpose switches (Imot) 4.111 Rated short-circuit making current (Ima) 4.112 Rated breaking and making currents for a general purpose switch Tables Table 1 – Preferred values of rated line- and cable-charging breaking currentsfor general purpose switch |
| 21 | 4.113 Ratings for limited purpose switches 4.114 Ratings for special purpose switches 4.115 Ratings for switches backed by fuses 4.116 Type and classes for general purpose, limited purpose and special purpose switches |
| 22 | 5 Design and construction 5.1 Requirements for liquids in switchgear and controlgear 5.2 Requirements for gases in switchgear and controlgear 5.3 Earthing of switchgear and controlgear 5.4 Auxiliary and control equipment 5.5 Dependent power operation 5.6 Stored energy operation 5.7 Independent manual or power operation (independent unlatched operation) 5.8 Operation of releases 5.9 Low- and high-pressure interlocking and monitoring devices 5.10 Nameplates |
| 23 | Table 2 – Product information |
| 24 | 5.11 Interlocking devices 5.12 Position indication 5.13 Degrees of protection provided by enclosures 5.14 Creepage distances for outdoor insulators 5.15 Gas and vacuum tightness 5.16 Liquid tightness |
| 25 | 5.17 Fire hazard (flammability) 5.18 Electromagnetic compatibility (EMC) 5.19 X-ray emission 5.20 Corrosion 5.101 Making and breaking operations 5.102 Requirements for switch-disconnectors 5.103 Mechanical strength 5.104 Securing the position 5.105 Auxiliary contacts for signalling |
| 26 | 5.106 No-load transformer breaking 6 Type tests 6.1 General |
| 27 | 6.2 Dielectric tests 6.3 Radio interference voltage (r.i.v.) test 6.4 Measurement of the resistance of circuits 6.5 Temperature-rise tests 6.6 Short-time withstand current and peak withstand current tests |
| 28 | 6.7 Verification of the protection 6.8 Tightness tests 6.9 Electromagnetic compatibility (EMC) tests 6.10 Additional tests on auxiliary and control circuits 6.11 X-radiation test procedure for vacuum interrupters |
| 29 | 6.101 Making and breaking tests Table 3 – Test duties for general purpose switches –Test duties for three-phase tests on three-pole operated,switches |
| 30 | Table 4 – Test duties for general purpose switches – Single phase tests onthree-pole switches operated pole-after-pole and single-pole switchesapplied on three-phase systems |
| 32 | Table 5 – Test duties for special purpose switches –Three-phase tests on three-pole operated, switches Table 6 – Test duties for special purpose switches –Single phase tests on three-pole switches operated pole-after-poleand single-pole switches applied on three-phase systems |
| 37 | Figures Figure 1 – Three-phase test circuit for mainly active load current switching for test duty TDload |
| 38 | Figure 2 – Single-phase test circuit for mainly active load current switching for test duty TDload |
| 39 | Table 7 – Supply circuit TRV parameters for mainly active load current breaking tests |
| 40 | Figure 3 – Three-phase test circuit for distribution line closed-loop andparallel transformer current switching test for test duties TDloop and TDppt Figure 4 – Single-phase test circuit for distribution line closed-loop andparallel transformer current switching test, for test duties TDloop and TDpptr |
| 41 | Table 8 – TRV parameters for distribution line closed loop breaking tests |
| 42 | Table 9 – TRV parameters for parallel power transformer current breaking tests |
| 45 | Figure 5 – General test circuit for three- and single-phase capacitive switching tests |
| 46 | Table 10 – Prospective recovery voltage parameter limitsfor capacitor bank current breaking tests |
| 47 | Figure 6 – Prospective TRV parameter limits for capacitor bankcurrent breaking tests |
| 48 | Figure 7 – Three-phase test circuit for earth fault breaking current tests, for test duty TDef1 Figure 8 – Three-phase test circuit for cable-charging breaking current tests under earth fault conditions, for test duty TDef2 |
| 49 | Figure 9 – Three-phase test circuit for short-circuit making current test for test duty TDma Figure 10 – Single-phase test circuit for short-circuit making current test for test duty TDma |
| 52 | 6.102 Mechanical and environmental tests |
| 56 | Figure 11 – Test sequences for low and high temperature tests |
| 60 | Figure 12 – Humidity test |
| 62 | 7 Routine tests 7.101 Mechanical operating tests |
| 63 | 8 Guide to the selection of switchgear and controlgear 8.101 General 8.102 Conditions affecting application 8.103 Insulation coordination 8.104 Selection of class of switch |
| 64 | 8.105 Tests for special applications 9 Information to be given with inquiries, tenders and orders 9.1 Information to be given with inquiries and orders |
| 65 | 9.2 Information to be given with tenders |
| 66 | 10 Transport, storage, installation, operation and maintenance 11 Safety 12 Influence of the product on the environment |
| 67 | Annex A (normative) Tolerances on test quantities for type tests Table A.1 – Tolerances on test quantities for type tests |
| 69 | Bibliography |
