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BS EN IEC 62271-200:2021 High-voltage switchgear and controlgear - AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV, 2021
- undefined
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 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 shorttime withstand currents (Ik, Ike)
- 5.7 Rated peak withstand currents (Ip, Ipe)
- 5.8 Rated durations of short-circuit (tk, tke)
- 5.9 Rated supply voltage of auxiliary 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 Classification of earthing function through main switching device
- 5.102 Rated cable test voltages (Uct (AC), Uct (DC))
- 5.103 Ratings of the internal arc classification (IAC)
- 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
- Tables [Go to Page]
- Table 1 – Nameplate information
- 6.12 Locking devices
- 6.13 Position indication
- 6.14 Degrees of protection provided by enclosures [Go to Page]
- 6.14.1 General
- 6.14.2 Protection of persons against access to hazardous parts and protection of the equipment against ingress of solid foreign objects (IP coding)
- 6.14.3 Protection against ingress of water (IP coding)
- 6.14.4 Protection of equipment against mechanical impact under normal operating conditions (IK coding)
- 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 General requirements for assemblies
- 6.102 Metal enclosure
- 6.103 High-voltage compartments
- 6.104 Removable parts
- 6.105 Provisions for dielectric tests on cables
- 6.106 Internal arc fault
- 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 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 switchgear and controlgear of Ur ≤ 245 kV
- 7.2.8 Tests of switchgear and controlgear of Ur > 245 kV
- 7.2.9 Artificial pollution tests for outdoor insulators
- 7.2.10 Partial discharge tests
- 7.2.11 Dielectric tests on auxiliary and control circuits
- 7.2.12 Voltage test as condition check
- 7.2.101 Dielectric tests on cable testing circuits
- 7.3 Radio interference voltage (RIV) test
- 7.4 Resistance measurement [Go to Page]
- 7.4.1 Measurement of the resistance of auxiliary contacts class 1 and class 2
- 7.4.2 Measurement of the resistance of auxiliary contacts class 3
- 7.4.3 Electrical continuity of earthed metallic parts test
- 7.4.4 Resistance measurement of contacts and connections in the main circuit as a condition check
- 7.5 Continuous current tests [Go to Page]
- 7.5.1 Condition of the test object
- 7.5.2 Arrangement of the equipment
- 7.5.3 Test current and duration
- 7.5.4 Temperature measurement during test
- 7.5.5 Resistance of the main circuit
- 7.5.6 Criteria to pass test
- 7.5.101 Test report
- 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 [Go to Page]
- 7.7.1 Verification of the IP coding
- 7.7.2 Verification of the IK coding
- 7.8 Tightness tests
- 7.9 Electromagnetic compatibility tests (EMC)
- 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 Verification of making and breaking capacities [Go to Page]
- 7.101.1 General
- 7.101.2 Test requirements for main switching devices
- 7.101.3 Test requirements for earthing function
- 7.102 Mechanical operation tests [Go to Page]
- 7.102.1 Switching devices and removable parts
- 7.102.2 Mechanical and electromechanical interlocks and locking devices
- 7.103 Pressure withstand test for gas-filled compartments [Go to Page]
- 7.103.1 Pressure withstand test for gas-filled compartments with pressure relief devices
- 7.103.2 Pressure withstand test for gas-filled compartments without pressure-relief devices
- 7.104 Tests to verify the protection of persons against dangerous electrical effects [Go to Page]
- 7.104.1 General
- 7.104.2 Dielectric tests
- 7.104.3 Measurements of leakage currents
- 7.105 Internal arc test [Go to Page]
- 7.105.1 General
- 7.105.2 Test conditions
- 7.105.3 Arrangement of the equipment
- 7.105.4 Test procedure
- 7.105.5 Criteria to pass the test
- 7.105.6 Test report
- 7.105.7 Extension of validity of test results
- 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 [Go to Page]
- 8.3.1 Inspection of auxiliary and control circuits, and verification of conformity to the circuit diagrams and wiring diagrams
- 8.3.2 Functional tests
- 8.3.3 Verification of protection against electrical shock
- 8.3.4 Dielectric tests
- 8.4 Measurement of the resistance of the main circuit
- 8.5 Tightness test
- 8.6 Design and visual checks
- 8.101 Partial discharge measurement
- 8.102 Mechanical operation tests
- 8.103 Pressure tests of gasfilled compartments
- 8.104 Tests after erection on site
- 8.105 Measurement of fluid condition after filling on site
- 9 Guide to the selection of switchgear and controlgear (informative) [Go to Page]
- 9.1 General
- 9.2 Selection of rated values
- 9.3 Cable-interface considerations
- 9.4 Continuous or temporary overload due to changed service conditions
- 9.5 Environmental aspects
- Figures [Go to Page]
- Figure 1 – LSC1
- Figure 2 – LSC2
- Figure 3 – LSC2
- Figure 4 – LSC2
- Figure 5 – LSC2A
- Figure 6 – LSC2B
- Figure 7 – LSC2B
- Figure 8 – LSC1
- Figure 9 – No LSC assigned
- Table 2 – Locations, causes and examples of measuresto decrease the probability of internal arc faults
- Table 3 – Singlephase-to-earth arc fault currentdepending on the network neutral earthing
- Table 4 – Summary of technical requirements, ratingsand optional tests for assemblies
- 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 Operating instructions
- 11.5 Maintenance
- 12 Safety [Go to Page]
- 12.101 Procedures
- 12.102 Internal arc aspects
- 13 Influence of the product on the environment
- Annex A (normative)Internal arc fault –Method to verify the internal arc classification (IAC) [Go to Page]
- A.1 Room simulation [Go to Page]
- A.1.1 Room simulation for indoor assemblies
- A.1.2 Room simulation for outdoor assemblies
- A.2 Indicators (for assessing the thermal effects of the gases) [Go to Page]
- A.2.1 General
- A.2.2 Arrangement of indicators
- A.3 Tolerances for geometrical dimensions of test arrangements
- A.4 Test parameters [Go to Page]
- A.4.1 General
- A.4.2 Voltage
- A.4.3 Current
- A.4.4 Frequency
- A.5 Test procedure [Go to Page]
- A.5.1 Supply circuit
- A.5.2 Arc initiation
- Table A.1 – Parameters for internal arc test according to compartment construction
- Figure A.1 – Mounting frame for vertical indicators
- Figure A.2 – Horizontal indicator
- Figure A.3 – Position of the indicators
- Figure A.4 – Room simulation and indicator positioning for accessibility type A,classified rear side, ceiling above 2 000 mm, functional unit of any height
- Figure A.5 – Room simulation and indicator positioning for accessibility type A, nonaccessible rear side, ceiling at 2 000 mm, so functional unit ≤ 1 800 mm high
- Figure A.6 – Room simulation and indicator positioning for accessibility type B,classified rear side, functional unit ≥ 1 900 mm high
- Figure A.7 – Room simulation and indicator positioning for accessibility type B,classified rear side, functional unit < 1 900 mm high
- Figure A.8 – Ceiling height stated from the floor or false floor levelwhere the assembly is actually placed
- Figure A.9 – Indicator positioning in case of protrusionat < 2 000 mm height, at classified side
- Figure A.10 – Indicator positioning in case a bottom exhaust duct belongingto the assembly is defined as a walkable integrated part of the false floor
- Annex B (normative)Partial discharge measurement [Go to Page]
- B.1 General
- B.2 Application
- B.3 Test circuits and measuring instruments
- B.4 Test procedure
- B.5 Maximum permissible partial discharge quantity
- Table B.1 – Test circuits and procedures
- Figure B.1 – Partial discharge test circuit (three-phase arrangement)
- Figure B.2 – Partial-discharge test circuit (system without earthed neutral)
- Annex C (informative)List of notes concerning certain countries
- Annex D (normative)Flowchart categorization procedure for LSC for a givenfunctional unit FU1 with connection compartment [Go to Page]
- Figure D.1 – Flowchart categorization procedure for LSCfor a given functional unit FU1 with connection compartment
- Bibliography [Go to Page]