| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Blank Page <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Blank Page <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 3 Terms and definitions 3.1 General terms and definitions <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 3.2 Assemblies of switchgear and controlgear 3.3 Parts of assemblies 3.4 Switching devices <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 3.5 Parts of switching devices <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | 3.6 Operation <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | 3.7 Characteristic quantities <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 3.8 Index of definitions <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | 4 Normal and special service conditions 5 Ratings 5.1 General <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | 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) <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 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 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 Table 1 \u2013 Classification of earthing switches for short-circuit making <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | 5.103 Rated contact zone 5.104 Rated static mechanical terminal load Table 2 \u2013 Preferred contact zones for "fixed" contacts supported by flexible conductors Table 3 \u2013 Preferred contact zones for "fixed" contactssupported by rigid conductors <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | 5.105 Classification of disconnectors for mechanical endurance Table 4 \u2013 Preferred static mechanical terminal loads <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | 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 5.108.1 Rated bus-transfer current Table 5 \u2013 Classification of disconnectors for mechanical endurance Table 6 \u2013 Classification of earthing switches for mechanical endurance <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 5.108.2 Rated bus-transfer voltage 5.109 Classification and rated values of earthing switches for induced current switching Table 7 \u2013 Rated bus-transfer voltages of disconnectors Table 8 \u2013 Classification of earthing switches for induced-current switching <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | 5.110 Classification and rated values of disconnectors for bus-charging current switching Table 9 \u2013 Rated induced currents and voltages <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 6 Design and construction 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 \u2013 Classification of disconnectors for bus-charging switching Table 11 \u2013 Standard rated bus-charging currents <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | Table 12 \u2013 Product information (1 of 2) <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 49<\/td>\n | 6.104 Operation of disconnectors and earthing switches \u2013 Position of the movable contact system and its indicating and signalling devices 6.104.1 Securing of position 6.104.2 Additional requirements for power-operated mechanisms 6.104.3 Indication and signalling of position Figures Figure 1 \u2013 Position indicating\/signalling device(s) <\/td>\n<\/tr>\n | ||||||
| 50<\/td>\n | 6.105 Maximum force required for manual (dependent or independent) operation 6.105.1 General <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | 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 7.1 General 7.1.1 Basics <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | Table 13 \u2013 List of type tests <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | 7.1.2 Information for identification of test objects 7.1.3 Information to be included in type test reports 7.2 Dielectric tests 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 <\/td>\n<\/tr>\n | ||||||
| 54<\/td>\n | 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 \u2013 Power frequency withstand voltages <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | 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 7.6.1 General 7.6.2 Arrangement of the disconnectors and earthing switches and of the test circuit <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | Figure 2 \u2013 Three-phase test arrangement for disconnectorsand earthing switches <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | Figure 3 \u2013 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 <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | Figure 4 \u2013 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 <\/td>\n<\/tr>\n | ||||||
| 60<\/td>\n | Figure 5 \u2013 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 <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | 7.6.3 Test current and duration 7.6.4 Conditions of disconnectors and earthing switches after test <\/td>\n<\/tr>\n | ||||||
| 62<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | 7.101 Test to prove the short-circuit making performance of earthing switches 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 <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 7.101.5 Test short-circuit making current 7.101.6 Test circuits 7.101.7 Test procedures <\/td>\n<\/tr>\n | ||||||
| 65<\/td>\n | 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 \u2013 Requirements on the instant of making <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | 7.101.10 Invalid tests 7.101.11 Type test reports Table 16 \u2013 Invalid tests <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | 7.102 Operating and mechanical endurance tests 7.102.1 General test conditions 7.102.2 Contact zone test <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | Figure 6 \u2013 Fixed contact parallel to support <\/td>\n<\/tr>\n | ||||||
| 69<\/td>\n | Figure 7 \u2013 Fixed contact perpendicular to support <\/td>\n<\/tr>\n | ||||||
| 70<\/td>\n | 7.102.3 Mechanical endurance test Figure 8 \u2013 Example of the application of rated static mechanical terminal loadsto a (divided support) pantograph disconnector (or earthing switch) <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | Figure 9 \u2013 Example of the application of rated static mechanical terminal loads to a two-column disconnector <\/td>\n<\/tr>\n | ||||||
| 72<\/td>\n | 7.102.4 Operation during the application of rated static mechanical terminal loads <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | 7.102.5 Extended mechanical endurance tests <\/td>\n<\/tr>\n | ||||||
| 74<\/td>\n | 7.102.6 Testing of mechanical interlocking devices. 7.103 Operation under severe ice conditions 7.103.1 General 7.103.2 Test arrangement <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | 7.103.3 Test procedure <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | 7.104 Low- and high-temperature tests 7.104.1 General <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | 7.104.2 Measurement of ambient air temperature 7.104.3 Low-temperature test Figure 10 \u2013 Test sequences for low and high temperature tests <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | 7.104.4 High-temperature test 7.105 Tests to verify the proper functioning of the position-indicating device 7.105.1 General <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | 7.105.2 Tests on the power kinematic chain and the position-indicating kinematic chain 7.106 Bus-transfer current switching tests on disconnectors 7.106.1 General 7.106.2 Making and breaking tests <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | Figure 11 \u2013 Example of test circuit for bus-transfer current switching tests <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | 7.107 Induced current switching tests on earthing switches 7.107.1 General 7.107.2 Arrangement of the earthing switch for tests <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | Figure 12 \u2013 Test circuit for electromagnetically induced current switching tests <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | Table 17 \u2013 Standard values of recovery voltages for electromagneticallyinduced current breaking tests <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | Figure 13 \u2013 Test circuits for electrostatically induced current-switching tests <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | Table 18 \u2013 Test circuit capacitances (C1 values) for electrostaticallyinduced current switching tests <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | 7.108 Bus-charging current switching tests on disconnectors 7.108.1 General <\/td>\n<\/tr>\n | ||||||
| 91<\/td>\n | 7.108.2 Test duties 7.108.3 Arrangement of the disconnector for tests 7.108.4 Test frequency <\/td>\n<\/tr>\n | ||||||
| 92<\/td>\n | 7.108.5 Test voltages for making and breaking tests Figure 14 \u2013 Test circuit for test duty 1 Table 19 \u2013 Test voltages for making and breaking tests <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | 7.108.6 Test circuits for making and breaking tests <\/td>\n<\/tr>\n | ||||||
| 94<\/td>\n | Figure 15 \u2013 Typical voltage waveform (Including VFT and FT components) Figure 16 \u2013 Test circuit for test duty 2 <\/td>\n<\/tr>\n | ||||||
| 95<\/td>\n | 7.108.7 Performance of making and breaking tests 7.108.8 Behaviour of the disconnector during making and breaking tests Figure 17 \u2013 Test circuit for test duty 3 Table 20 \u2013 Number of tests <\/td>\n<\/tr>\n | ||||||
| 96<\/td>\n | 7.108.9 Condition after test 7.108.10 Type test reports <\/td>\n<\/tr>\n | ||||||
| 97<\/td>\n | 7.108.11 Requirements for UTVE measurements 8 Routine tests 8.1 General 8.2 Dielectric test on the main circuit <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | 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 \u2013 Power frequency voltage tests <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | 8.102 Verification of earthing function 9 Guide to the selection of disconnectors and earthing switches (informative) 9.1 General <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | 9.2 Selection of rated values 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 <\/td>\n<\/tr>\n | ||||||
| 101<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 102<\/td>\n | 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 9.5.101 Local environmental conditions <\/td>\n<\/tr>\n | ||||||
| 103<\/td>\n | 10 Information to be given with enquiries, tenders and orders (informative) 10.1 General 10.2 Information with enquiries and orders <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | 10.3 Information with tenders <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | 11 Transport, storage, installation, operating instructions, and maintenance 11.1 General 11.2 Conditions during transport, storage and installation 11.3 Installation <\/td>\n<\/tr>\n | ||||||
| 106<\/td>\n | 11.4 Operation 11.5 Maintenance 12 Safety 12.1 General 12.2 Precautions by manufacturers 12.3 Precautions by users 13 Influence of the product on the environment <\/td>\n<\/tr>\n | ||||||
| 107<\/td>\n | Annexes Annex A (informative) Test voltage for the most disadvantageous dielectric position of an earthing switch during operation (minimum temporary clearance) <\/td>\n<\/tr>\n | ||||||
| 108<\/td>\n | Annex B (informative) Current-switching capability required of disconnectors and earthing switches B.1 Bus-transfer current switching capability of disconnectors B.2 Bus-charging current switching capability of disconnectors Table B.1 \u2013 Average impedances <\/td>\n<\/tr>\n | ||||||
| 109<\/td>\n | B.3 Induced current-switching capability of earthing switches Figure B.1 \u2013 Examples of resistor-fitted disconnectors <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | Annex C (normative) Tolerances on test quantities for type tests Table C.1 \u2013 Tolerances on test quantities for type tests (1 of 2) <\/td>\n<\/tr>\n | ||||||
| 112<\/td>\n | Annex D (normative) Alternative test methods for short-circuit current making tests D.1 General D.2 Alternative methods D.2.1 Synthetic test method with both rated voltage and rated short-circuit current D.2.2 Test methods with reduced voltage <\/td>\n<\/tr>\n | ||||||
| 114<\/td>\n | Annex E (informative) Extension of validity of type tests 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 <\/td>\n<\/tr>\n | ||||||
| 115<\/td>\n | E.7 Induced current switching tests on earthing switches <\/td>\n<\/tr>\n | ||||||
| 116<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" High-voltage switchgear and controlgear – Alternating current disconnectors and earthing switches<\/b><\/p>\n |