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eLibrary >
BS EN IEC 62271-103:2023 - TC Tracked Changes. High-voltage switchgear and controlgear - Alternating current switches for rated voltages above 1 kV up to and including 52 kV >
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BS EN IEC 62271-103:2023 - TC Tracked Changes. High-voltage switchgear and controlgear - Alternating current switches for rated voltages above 1 kV up to and including 52 kV, 2024
- 30484959
- A-30392171 [Go to Page]
- undefined
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
- Annex ZB (informative)A-deviations [Go to Page]
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 General terms and definitions
- 3.2 Assemblies of switchgear and controlgear
- 3.3 Parts of assemblies
- 3.4 Switching devices
- 3.5 Parts of switchgear and controlgear
- 3.6 Operational characteristics of switchgear and controlgear
- 3.7 Characteristic quantities
- 3.8 Index of definitions
- 4 Normal and special service conditions
- 5 Ratings [Go to Page]
- 5.1 General
- 5.2 Rated voltage (Ur)
- 5.3 Rated insulation level (Ud, Up, Us)
- 5.4 Rated frequency (fr)
- 5.5 Rated continuous current (Ir)
- 5.6 Rated short-time withstand current (Ik)
- 5.7 Rated peak withstand current (Ip)
- 5.8 Rated duration of short-circuit (tk)
- 5.9 Rated supply voltage of auxiliary circuits and control circuits (Ua)
- 5.10 Rated supply frequency of auxiliary and control circuits
- 5.11 Rated pressure of compressed gas supply for controlled pressure systems
- 5.101 Rated mainly active load-breaking current (Iload)
- 5.102 Rated closed-loop breaking current (Iloop)
- 5.103 Rated parallel power transformer breaking current for special purpose switches (Ipptr)
- 5.104 Rated cable-charging breaking current (Icc)
- 5.105 Rated line-charging breaking current (Ilc)
- 5.106 Rated single capacitor bank breaking current for special purpose switches (Isb)
- 5.107 Rated back-to-back capacitor bank breaking current for special purpose switches (Ibb)
- 5.108 Rated back-to-back capacitor bank inrush making current for special purpose switches (Iin)
- 5.109 Rated earth fault breaking current (Ief1)
- 5.110 Rated cable- and line-charging breaking current under earth fault conditions (Ief2)
- 5.111 Rated motor breaking current for special purpose switches (Imot)
- 5.112 Rated short-circuit making current (Ima)
- 5.113 Types of switches and their associated ratings [Go to Page]
- 5.113.1 Types of switches
- 5.113.2 Rated making and breaking currents for general purpose switches
- 5.113.3 Rated making and breaking currents for limited purpose switches
- 5.113.4 Rated making and breaking currents for special purpose switches
- 5.113.5 Ratings for switches backed by fuses
- Tables [Go to Page]
- Table 1 – Preferred values of rated line- and cable-charging breaking currents for general purpose switches
- 5.114 Mechanical endurance class of switches [Go to Page]
- 5.114.1 Class M1 switch
- 5.114.2 Class M2 switch
- 5.115 Electrical endurance class of general purpose switches [Go to Page]
- 5.115.1 Class E1 general purpose switch
- 5.115.2 Class E2 general purpose switch
- 5.115.3 Class E3 general purpose switch
- 5.116 Capacitive breaking capability class of switches [Go to Page]
- 5.116.1 General
- 5.116.2 Class C1 switch
- 5.116.3 Class C2 switch
- 6 Design and construction [Go to Page]
- 6.1 Requirements for liquids in switchgear and controlgear
- 6.2 Requirements for gases in switchgear and controlgear
- 6.3 Earthing of switchgear and controlgear
- 6.4 Auxiliary and control equipment and circuits
- 6.5 Dependent power operation
- 6.6 Stored energy operation
- 6.7 Independent unlatched operation (independent manual or power operation)
- 6.8 Manually operated actuators
- 6.9 Operation of releases
- 6.10 Pressure/level indication
- 6.11 Nameplates [Go to Page]
- 6.11.1 General
- 6.11.2 Application
- Table 2 – Nameplate information
- 6.12 Locking devices
- 6.13 Position indication
- 6.14 Degrees of protection provided by enclosures
- 6.15 Creepage distances for outdoor insulators
- 6.16 Gas and vacuum tightness
- 6.17 Tightness for liquid systems
- 6.18 Fire hazard (flammability)
- 6.19 Electromagnetic compatibility (EMC)
- 6.20 X-ray emission
- 6.21 Corrosion
- 6.22 Filling levels for insulation, switching and/or operation
- 6.101 Making and breaking operations
- 6.102 Requirements for switch-disconnectors
- 6.103 Mechanical strength
- 6.104 Securing the position
- 6.105 Indication and signalling of position [Go to Page]
- 6.105.1 General requirements
- 6.105.2 Indication of position
- Figures [Go to Page]
- Figure 1 – Position-indicating/signalling device(s) [Go to Page]
- 6.105.3 Signalling of position by auxiliary contacts
- 6.106 No-load transformer breaking
- 7 Type tests [Go to Page]
- 7.1 General [Go to Page]
- 7.1.1 Basics
- 7.1.2 Information for identification of test objects
- 7.1.3 Information to be included in the type-test reports
- 7.2 Dielectric tests [Go to Page]
- 7.2.9 Artificial pollution tests for outdoor insulators
- 7.2.10 Partial discharge tests
- 7.3 Radio interference voltage (RIV) test
- 7.4 Resistance measurement
- 7.5 Continuous current tests
- 7.6 Short-time withstand current and peak withstand current tests [Go to Page]
- 7.6.1 General
- 7.6.2 Arrangement of the equipment and of the test circuit
- 7.6.3 Test current and duration
- 7.6.4 Conditions of the test object after test
- 7.7 Verification of the protection
- 7.8 Tightness tests
- 7.9 Electromagnetic compatibility (EMC) tests
- 7.10 Additional tests on auxiliary and control circuits [Go to Page]
- 7.10.1 General
- 7.10.2 Functional tests
- 7.10.3 Verification of the operational characteristics of auxiliary contacts
- 7.10.4 Environmental tests
- 7.10.5 Dielectric test
- 7.11 X-radiation test for vacuum interrupters
- 7.101 Making and breaking tests [Go to Page]
- 7.101.1 Test duties for general purpose switches
- Table 3 – Test duties for general purpose switches –Test duties for three-phase tests on three-pole operated, general purpose switches
- Table 4 – Test duties for general purpose switches –Single-phase tests on three-pole general purpose switches operated pole-after-poleand single-pole general purpose switches applied on three-phase systems [Go to Page]
- 7.101.2 Test duties for limited purpose switches
- 7.101.3 Test duties for special purpose switches
- Table 5 – Test duties for special purpose switches –Three-phase tests on three-pole operated switches [Go to Page]
- 7.101.4 Arrangement of the switch for tests
- 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 [Go to Page]
- 7.101.5 Earthing of test circuit and switch
- 7.101.6 Test parameters
- Table 7 – Summary of the conditions for combining tests and alternative procedures [Go to Page]
- 7.101.7 Test circuits
- Figure 2 – Three-phase test circuit for mainly active load current switchingfor test duty TDload
- Figure 3 – Single-phase test circuit for mainlyactive load current switching for test duty TDload
- Table 8 – Supply circuit TRV parameters for mainly active load current breaking testsa
- Figure 4 – Three-phase test circuit for distribution line closed-loop andparallel transformer current switching test for test duties TDloop and TDpptr
- Figure 5 – Single-phase test circuit for distribution line closed-loop and parallel transformer current switching test, for test duties TDloop and TDpptr
- Table 9 – TRV parameters for distribution line closed loop breaking tests
- Table 10 – TRV parameters for parallel power transformer breaking current tests
- Figure 6 – General test circuit for three- and single-phase capacitive switching tests
- Figure 7 – Prospective recovery voltage and related specified parameter values for capacitive current breaking tests
- Table 11 – Prospective recovery voltage parameter limitsfor capacitive current breaking tests
- Figure 8 – Three-phase test circuit for earth fault breaking current tests, for test duty TDef1
- Figure 9 – Three-phase test circuit for cable-charging breaking current tests under earth fault conditions, for test duty TDef2
- Figure 10 – Three-phase test circuit for short-circuit making current test for test duty TDma [Go to Page]
- 7.101.8 Behaviour of switch during breaking tests
- Figure 11 – Single-phase test circuit for short-circuit making current test for test duty TDma [Go to Page]
- 7.101.9 Condition of switch after breaking tests and short-circuit making tests
- 7.101.10 Type-test reports
- 7.102 Mechanical and environmental tests [Go to Page]
- 7.102.1 Miscellaneous provisions for mechanical and environmental tests
- 7.102.2 Mechanical operation test at ambient air temperature
- 7.102.3 Low and high temperature tests
- Figure 12 – Test sequences for low and high temperature tests [Go to Page]
- 7.102.4 Humidity test on auxiliary and control circuits
- Figure 13 – Humidity test [Go to Page]
- 7.102.5 Operation under severe ice conditions
- 7.102.6 Tests to verify the proper functioning of the position-indicating device
- 7.103 Common checks after tests [Go to Page]
- 7.103.1 Checking the capability of the switch to carry its rated continuous current
- 7.103.2 Checking the integrity of vacuum in case of a switch using a vacuum interrupter
- 8 Routine tests [Go to Page]
- 8.101 General
- 8.102 Mechanical operating tests
- 9 Guide to the selection of switchgear and controlgear (informative) [Go to Page]
- 9.101 General
- 9.102 Conditions affecting application
- 9.103 Insulation coordination
- 9.104 Selection of class of switch [Go to Page]
- 9.104.1 General purpose switch
- 9.104.2 Limited purpose switch
- 9.104.3 Special purpose switch
- 9.105 Tests for special applications
- 10 Information to be given with inquiries, tenders and orders (informative) [Go to Page]
- 10.1 General
- 10.2 Information with inquiries and orders
- 10.3 Information with tenders
- 11 Transport, storage, installation, operating instructions and maintenance
- 12 Safety
- 13 Influence of the product on the environment
- Annex A (normative) Tolerances on test quantities for type tests [Go to Page]
- Table A.1 – Tolerances on test quantities for type tests
- Annex B (informative) Explanation of the determination for the value of Ief1 and Ief2 [Go to Page]
- B.1 Usage of rating Ief1 and Ief2 [Go to Page]
- B.1.1 General
- B.1.2 Isolated neutral system
- Figure B.1 – Earth fault in isolated neutral system [Go to Page]
- B.1.3 High impedance earthed neutral systems
- Figure B.2 – Capacitive current in non-faulty phases of isolated neutral system [Go to Page]
- B.1.4 Resonant earthed neutral systems (Petersen coil)
- Figure B.3 – Earth fault in high impedance earthed neutral system [Go to Page]
- B.1.5 Synthesis
- Figure B.4 – Earth fault in resonant or compensate earthed neutral system
- Table B.1 – Need of ratings Ief1 and Ief2 in non-effectively earthed neutral systems
- B.2 Calculation of Ief1 and Ief2 [Go to Page]
- B.2.1 General
- Figure B.5 – Example of sequence to find and isolate a faulty branch in an overhead network
- Figure B.6 – Example of sequence to find and isolate a faulty branch in a cable network [Go to Page]
- B.2.2 Calculation of Ief1
- B.2.3 Calculation of Ief2
- Table B.2 – Values relating to the examples in Figure B.5 and Figure B.6 for capacitance and capacitive current for cables and overhead lines [6], [10], [11]
- Table B.3 – Values for Ief2
- Annex C (informative) List of notes concerning certain countries
- Bibliography [Go to Page]
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