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eLibrary >
BS EN IEC 62271-102:2018+A1:2022 High-voltage switchgear and controlgear - Alternating current disconnectors and earthing switches >
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BS EN IEC 62271-102:2018+A1:2022 High-voltage switchgear and controlgear - Alternating current disconnectors and earthing switches, 2022
- undefined
- Blank Page
- Blank 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 switching devices
- 3.6 Operation
- 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)
- 5.10 Rated supply frequency of auxiliary circuits and control circuits
- 5.11 Rated pressure of compressed gas supply for controlled pressure systems [Go to Page]
- 5.11.101 Rated pressure of compressed gas supply for insulation and/or switching
- 5.11.102 Rated pressure of compressed gas supply for operation
- 5.101 Rated short-circuit making current (Ima)
- 5.102 Classification of earthing switches for short-circuit making
- Tables [Go to Page]
- Table 1 – Classification of earthing switches for short-circuit making
- 5.103 Rated contact zone
- 5.104 Rated static mechanical terminal load
- Table 2 – Preferred contact zones for "fixed" contacts supported by flexible conductors
- Table 3 – Preferred contact zones for "fixed" contactssupported by rigid conductors
- 5.105 Classification of disconnectors for mechanical endurance
- Table 4 – Preferred static mechanical terminal loads
- 5.106 Classification of earthing switches for mechanical endurance
- 5.107 Rated ice-coating
- 5.108 Rated values of disconnectors for bus-transfer current switching [Go to Page]
- 5.108.1 Rated bus-transfer current
- Table 5 – Classification of disconnectors for mechanical endurance
- Table 6 – Classification of earthing switches for mechanical endurance [Go to Page]
- 5.108.2 Rated bus-transfer voltage
- 5.109 Classification and rated values of earthing switches for induced current switching
- Table 7 – Rated bus-transfer voltages of disconnectors
- Table 8 – Classification of earthing switches for induced-current switching
- 5.110 Classification and rated values of disconnectors for bus-charging current switching
- Table 9 – Rated induced currents and voltages
- 6 Design and construction [Go to Page]
- 6.1 Requirements for liquids in disconnectors and earthing switches
- 6.2 Requirements for gases in disconnectors and earthing switches
- 6.3 Earthing of disconnectors and earthing switches
- Table 10 – Classification of disconnectors for bus-charging switching
- Table 11 – Standard rated bus-charging currents
- 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
- Table 12 – Product information (1 of 2)
- 6.12 Locking devices
- 6.13 Position indication
- 6.14 Degree 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 Particular requirements for earthing switches
- 6.102 Requirements in respect of the isolating distance of disconnectors
- 6.103 Mechanical strength
- 6.104 Operation of disconnectors and earthing switches – Position of the movable contact system and its indicating and signalling devices [Go to Page]
- 6.104.1 Securing of position
- 6.104.2 Additional requirements for power-operated mechanisms
- 6.104.3 Indication and signalling of position
- Figures [Go to Page]
- Figure 1 – Position indicating/signalling device(s)
- 6.105 Maximum force required for manual (dependent or independent) operation [Go to Page]
- 6.105.1 General
- 6.105.2 Operation requiring more than one revolution
- 6.105.3 Operation requiring up to one revolution
- 6.106 Dimensional tolerances
- 6.107 Earthing switches with short-circuit making current capability
- 7 Type tests [Go to Page]
- 7.1 General [Go to Page]
- 7.1.1 Basics
- Table 13 – List of type tests [Go to Page]
- 7.1.2 Information for identification of test objects
- 7.1.3 Information to be included in type test reports
- 7.2 Dielectric tests [Go to Page]
- 7.2.1 General
- 7.2.2 Ambient air conditions during tests
- 7.2.3 Wet test procedure
- 7.2.4 Arrangement of the equipment
- 7.2.5 Criteria to pass the test
- 7.2.6 Application of the test voltage and test conditions
- 7.2.7 Tests of disconnectors and earthing switches of Ur ( 245 kV
- 7.2.8 Test of disconnectors and earthing switches of Ur > 245 kV
- 7.2.9 Artificial pollution tests for outdoor insulators
- Table 14 – Power frequency withstand voltages [Go to Page]
- 7.2.10 Partial discharge tests
- 7.2.11 Dielectric tests on auxiliary and control circuits
- 7.2.12 Voltage test as condition check
- 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 disconnectors and earthing switches and of the test circuit
- Figure 2 – Three-phase test arrangement for disconnectorsand earthing switches
- Figure 3 – Single-phase test arrangement for disconnectors with a horizontal isolating distance and for earthing switches of Ur > 52 kV, to be used with flexible or with rigid conductors
- Figure 4 – Single-phase test arrangement for divided support disconnectors (earthing switches) of Ur > 52 kV with a vertical isolating distance, to be used with flexible conductors
- Figure 5 – Single-phase test arrangement for divided support disconnectors (earthing switches) of Ur > 52 kV with a vertical isolating distance, to be used with rigid conductors [Go to Page]
- 7.6.3 Test current and duration
- 7.6.4 Conditions of disconnectors and earthing switches after test
- 7.7 Verification of the protection
- 7.8 Tightness tests
- 7.9 Electromagnetic compatibility tests (EMC)
- 7.10 Additional tests on auxiliary and control circuits
- 7.11 X-ray radiation test for vacuum interrupters
- 7.101 Test to prove the short-circuit making performance of earthing switches [Go to Page]
- 7.101.1 General test conditions
- 7.101.2 Arrangement of the earthing switch for tests
- 7.101.3 Test frequency
- 7.101.4 Test voltage
- 7.101.5 Test short-circuit making current
- 7.101.6 Test circuits
- 7.101.7 Test procedures
- 7.101.8 Behaviour of earthing switches when making short-circuit currents
- 7.101.9 Condition of earthing switch after short-circuit making tests
- Table 15 – Requirements on the instant of making [Go to Page]
- 7.101.10 Invalid tests
- 7.101.11 Type test reports
- Table 16 – Invalid tests
- 7.102 Operating and mechanical endurance tests [Go to Page]
- 7.102.1 General test conditions
- 7.102.2 Contact zone test
- Figure 6 – Fixed contact parallel to support
- Figure 7 – Fixed contact perpendicular to support [Go to Page]
- 7.102.3 Mechanical endurance test
- Figure 8 – Example of the application of rated static mechanical terminal loadsto a (divided support) pantograph disconnector (or earthing switch)
- Figure 9 – Example of the application of rated static mechanical terminal loads to a two-column disconnector [Go to Page]
- 7.102.4 Operation during the application of rated static mechanical terminal loads
- 7.102.5 Extended mechanical endurance tests
- 7.102.6 Testing of mechanical interlocking devices.
- 7.103 Operation under severe ice conditions [Go to Page]
- 7.103.1 General
- 7.103.2 Test arrangement
- 7.103.3 Test procedure
- 7.104 Low- and high-temperature tests [Go to Page]
- 7.104.1 General
- 7.104.2 Measurement of ambient air temperature
- 7.104.3 Low-temperature test
- Figure 10 – Test sequences for low and high temperature tests [Go to Page]
- 7.104.4 High-temperature test
- 7.105 Tests to verify the proper functioning of the position-indicating device [Go to Page]
- 7.105.1 General
- 7.105.2 Tests on the power kinematic chain and the position-indicating kinematic chain
- 7.106 Bus-transfer current switching tests on disconnectors [Go to Page]
- 7.106.1 General
- 7.106.2 Making and breaking tests
- Figure 11 – Example of test circuit for bus-transfer current switching tests
- 7.107 Induced current switching tests on earthing switches [Go to Page]
- 7.107.1 General
- 7.107.2 Arrangement of the earthing switch for tests
- 7.107.3 Earthing of test circuit and earthing switch
- 7.107.4 Test frequency
- 7.107.5 Test voltage
- 7.107.6 Test currents
- 7.107.7 Test circuits
- Figure 12 – Test circuit for electromagnetically induced current switching tests
- Table 17 – Standard values of recovery voltages for electromagneticallyinduced current breaking tests
- Figure 13 – Test circuits for electrostatically induced current-switching tests
- Table 18 – Test circuit capacitances (C1 values) for electrostaticallyinduced current switching tests
- 7.108 Bus-charging current switching tests on disconnectors [Go to Page]
- 7.108.1 General
- 7.108.2 Test duties
- 7.108.3 Arrangement of the disconnector for tests
- 7.108.4 Test frequency
- 7.108.5 Test voltages for making and breaking tests
- Figure 14 – Test circuit for test duty 1
- Table 19 – Test voltages for making and breaking tests [Go to Page]
- 7.108.6 Test circuits for making and breaking tests
- Figure 15 – Typical voltage waveform (Including VFT and FT components)
- Figure 16 – Test circuit for test duty 2 [Go to Page]
- 7.108.7 Performance of making and breaking tests
- 7.108.8 Behaviour of the disconnector during making and breaking tests
- Figure 17 – Test circuit for test duty 3
- Table 20 – Number of tests [Go to Page]
- 7.108.9 Condition after test
- 7.108.10 Type test reports
- 7.108.11 Requirements for UTVE measurements
- 8 Routine tests [Go to Page]
- 8.1 General
- 8.2 Dielectric test on the main circuit
- 8.3 Tests on auxiliary and control circuits
- 8.4 Measurement of the resistance of the main circuit
- 8.5 Tightness test
- 8.6 Design and visual checks
- 8.101 Mechanical operating tests
- Table 21 – Power frequency voltage tests
- 8.102 Verification of earthing function
- 9 Guide to the selection of disconnectors and earthing switches (informative) [Go to Page]
- 9.1 General
- 9.2 Selection of rated values [Go to Page]
- 9.2.101 General
- 9.2.102 Selection of rated voltage and rated insulation level
- 9.2.103 Selection of rated continuous current
- 9.2.104 Selection of rated contact zone
- 9.2.105 Selection of rated static mechanical terminal load
- 9.2.106 Selection of a bus-transfer current switching capability for disconnectors of Ur > 52 kV
- 9.2.107 Selection of an induced-current switching capability for earthing switches of Ur > 52 kV
- 9.2.108 Selection of rated short-time withstand current and of rated duration of short-circuit
- 9.2.109 Selection of rated peak withstand current and of rated short-circuit making current for earthing switches
- 9.2.110 Selection of short-circuit making capability for earthing switches
- 9.3 Cable-interface considerations
- 9.4 Continuous or temporary overload due to changed service conditions
- 9.5 Environmental aspects [Go to Page]
- 9.5.101 Local environmental conditions
- 10 Information to be given with enquiries, tenders and orders (informative) [Go to Page]
- 10.1 General
- 10.2 Information with enquiries and orders
- 10.3 Information with tenders
- 11 Transport, storage, installation, operating instructions, and maintenance [Go to Page]
- 11.1 General
- 11.2 Conditions during transport, storage and installation
- 11.3 Installation
- 11.4 Operation
- 11.5 Maintenance
- 12 Safety [Go to Page]
- 12.1 General
- 12.2 Precautions by manufacturers
- 12.3 Precautions by users
- 13 Influence of the product on the environment
- Annexes [Go to Page]
- Annex A (informative) Test voltage for the most disadvantageous dielectric position of an earthing switch during operation (minimum temporary clearance)
- Annex B (informative) Current-switching capability required of disconnectors and earthing switches [Go to Page]
- B.1 Bus-transfer current switching capability of disconnectors
- B.2 Bus-charging current switching capability of disconnectors
- Table B.1 – Average impedances [Go to Page]
- B.3 Induced current-switching capability of earthing switches
- Figure B.1 – Examples of resistor-fitted disconnectors
- Annex C (normative) Tolerances on test quantities for type tests
- Table C.1 – Tolerances on test quantities for type tests (1 of 2)
- Annex D (normative) Alternative test methods for short-circuit current making tests [Go to Page]
- D.1 General
- D.2 Alternative methods [Go to Page]
- D.2.1 Synthetic test method with both rated voltage and rated short-circuit current
- D.2.2 Test methods with reduced voltage
- Annex E (informative) Extension of validity of type tests [Go to Page]
- E.1 General
- E.2 Dielectric tests
- E.3 Short-time withstand current tests
- E.4 Short-circuit making performance of earthing switches
- E.5 Operating and mechanical endurance tests
- E.6 Bus-transfer current switching tests on disconnectors
- E.7 Induced current switching tests on earthing switches
- Bibliography [Go to Page]
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