1、 IEC 62271-109Edition 2.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEHigh-voltage switchgear and controlgear Part 109: Alternating-current series capacitor by-pass switches Appareillage haute tension Partie 109: Interrupteurs de contournement pour condensateurs srie courant alternatif IEC6227
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16、ice clients ou contactez-nous: Email: csciec.chTl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 62271-109Edition 2.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEHigh-voltage switchgear and controlgear Part 109: Alternating-current series capacitor by-pass switches Appareillage haute tension Par
17、tie 109: Interrupteurs de contournement pour condensateurs srie courant alternatif INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XFICS 29.130.10 PRICE CODECODE PRIXISBN 2-8318-1013-6 Registered trademark of the International Electrotechnical Commission Marque d
18、pose de la Commission Electrotechnique Internationale 2 62271-109 IEC:2008 CONTENTS FOREWORD.8 1 General 10 1.1 Scope10 1.2 Normative references 10 2 Normal and special service conditions11 3 Terms and definitions .11 3.1 General terms .11 3.2 Assemblies13 3.3 Parts of assemblies.13 3.4 Switching de
19、vices13 3.5 Parts of by-pass switches15 3.6 Operation 17 3.7 Characteristic quantities18 3.8 Definitions related to series capacitor banks22 3.9 Index of definitions 25 4 Ratings.28 4.1 Rated voltage (Ur) 28 4.2 Rated insulation level .29 4.2.101 Rated insulation level to earth .29 4.2.102 Rated ins
20、ulation level across the by-pass switch .29 4.3 Rated frequency (fr)29 4.4 Rated normal current (Ir) and temperature rise .29 4.5 Rated short-time withstand current (Ik).29 4.6 Rated peak withstand current (Ip).30 4.7 Rated duration of short-circuit (tk) 30 4.8 Rated supply voltage of closing and op
21、ening devices and of auxiliary and control circuits (Ua) 30 4.9 Rated supply frequency of closing and opening devices and auxiliary circuits30 4.10 Rated pressures of compressed gas supply for insulation, operation and/or by-passing and insertion.30 4.101 Rated operating sequence 30 4.102 Rated by-p
22、ass making current (IBP) 30 4.104 Rated reinsertion voltage (UINS) .31 4.105 Rated time quantities32 4.106 Number of mechanical operations.32 5 Design and construction .32 5.1 Requirements for liquids in by-pass switches32 5.2 Requirements for gases in by-pass switches.32 5.3 Earthing of by-pass swi
23、tches 32 5.4 Auxiliary equipment 32 5.5 Dependent power operation33 5.6 Stored energy operation .34 5.7 Independent manual operation34 5.8 Operation of releases .34 5.8.1 Shunt closing releases 34 62271-109 IEC:2008 3 5.8.2 Shunt opening releases.34 5.8.3 Capacitor operation of shunt releases .34 5.
24、8.4 Under-voltage release .34 5.8.101 Multiple releases .34 5.8.102 Operation limits of releases.34 5.8.103 Power consumption of releases.34 5.9 Low- and high-pressure interlocking devices.35 5.10 Nameplates 35 5.11 Interlocking devices37 5.12 Position indication 37 5.13 Degrees of protection by enc
25、losures.37 5.14 Creepage distances37 5.15 Gas and vacuum tightness37 5.16 Liquid tightness 37 5.17 Fire hazard (flammability) .37 5.18 Electromagnetic compatibility .37 5.19 X-ray emission38 5.20 Corrosion38 5.101 Requirements for simultaneity within a pole 38 5.102 General requirement for operation
26、 38 5.103 Pressure limits of fluids for operation38 5.104 Vent outlets 38 6 Type tests 39 6.1 General .40 6.1.1 Grouping of tests .40 6.1.2 Information for identification of specimens.40 6.1.3 Information to be included in type test reports .40 6.2 Dielectric tests 41 6.2.1 Ambient air conditions du
27、ring tests 41 6.2.2 Wet test procedure 41 6.2.3 Condition of by-pass switch during dielectric tests .41 6.2.4 Criteria to pass the test .41 6.2.5 Application of test voltage and test conditions .42 6.2.6 Tests of by-pass switches of Ure 245 kV or Urp 245 kV .42 6.2.7 Tests of by-pass switches of Ure
28、 245 kV or Urp 245 kV.42 6.2.8 Artificial pollution tests 43 6.2.9 Partial discharge tests .43 6.2.10 Tests on auxiliary and control circuits 43 6.2.11 Voltage test as a condition check 43 6.3 Radio interference voltage (r.i.v.) tests44 6.4 Measurement of the resistance of the main circuit .44 6.5 T
29、emperature-rise tests 45 6.5.1 Conditions of the by-pass switch to be tested 45 6.5.2 Arrangement of the equipment.45 6.5.3 Measurement of the temperature and the temperature rise 45 6.5.4 Ambient air temperature 45 6.5.5 Temperature-rise tests of the auxiliary and control equipment .45 6.5.6 Interp
30、retation of the temperature-rise tests 45 4 62271-109 IEC:2008 6.6 Short-time withstand current and peak withstand current tests 45 6.6.1 Arrangement of the by-pass switch and of the test circuit 45 6.6.2 Test current and duration.45 6.6.3 Behaviour of the by-pass switch during test.45 6.6.4 Conditi
31、ons of the by-pass switch after test.45 6.7 Verification of the degree of protection 45 6.7.1 Verification of the IP coding.45 6.7.2 Mechanical impact test (verification of the IK coding) 45 6.8 Tightness tests46 6.9 Electromagnetic compatibility (EMC) tests.46 6.10 Additional tests on auxiliary and
32、 control circuits 46 6.10.1 General .46 6.10.2 Functional tests .46 6.10.3 Electrical continuity of earthed metallic parts test 46 6.10.4 Verification of the operational characteristics of auxiliary contacts.46 6.10.5 Environmental tests .46 6.11 X-Radiation test procedure for vacuum interrupters.47
33、 6.101 Mechanical and environmental tests .47 6.101.1 Miscellaneous provisions for mechanical and environmental tests.47 6.101.2 Mechanical operation test at ambient air temperature49 6.101.3 Low and high temperature tests 51 6.101.4 Humidity test .55 6.101.5 Test to prove the operation under severe
34、 ice conditions55 6.101.6 Static terminal load test.55 6.102 Miscellaneous provisions for by-pass making and insertion tests 57 6.102.1 General .57 6.102.2 Number of test specimens.57 6.102.3 Arrangement of by-pass switch for tests 57 6.102.4 General considerations concerning testing methods59 6.102
35、.5 Synthetic tests 61 6.102.6 No-load operations before tests.61 6.102.7 Alternative operating mechanisms.61 6.102.8 Behaviour of by-pass switch during tests.62 6.102.9 Condition of by-pass switch after tests 62 6.103 Sequence of the tests .64 6.104 By-pass making current test-duty64 6.104.1 General
36、 .64 6.104.2 Characteristics of supply circuit.64 6.104.3 Test voltage 65 6.104.4 Test current.65 6.105 Insertion current test-duty.66 6.105.1 General .66 6.105.3 Test voltage 67 6.105.4 Test current.67 6.105.5 Number of operations67 6.106 Criteria to pass the test duties 68 7 Routine tests 68 7.1 D
37、ielectric test on the main circuit 68 62271-109 IEC:2008 5 7.2 Dielectric test on auxiliary and control circuits 69 7.3 Measurement of the resistance of the main circuit 69 7.4 Tightness test.69 7.5 Design and visual checks .69 7.101 Mechanical operating tests .69 8 Guide to the selection of by-pass
38、 switches for service 70 9 Information to be given with enquiries, tenders and orders .71 9.101 Information to be given with enquiries and orders .71 9.102 Information to be given with tenders .72 10 Rules for transport, storage, installation, operation and maintenance .73 10.1 Conditions during tra
39、nsport, storage and installation .73 10.2 Installation 73 10.2.101 Guide for commissioning tests 73 10.2.102 Commissioning checks and test programme74 10.3 Operation 79 10.4 Maintenance79 10.4.101 Resistors and capacitors (if applicable).80 11 Safety.80 12 Influence of the product on environment .80
40、 Annex A (normative) Tolerances on test quantities during type tests98 Annex B (normative) Records and reports of type tests102 Annex C (informative) List of symbols and abbreviations used .105 Annex D (informative) Examples of by-pass switch ratings.107 Annex E (informative) By-pass switches used a
41、s the primary by-passing devices 114 Annex F (informative) Explanatory note regarding transient recovery voltage during reinsertion 115 Annex G (normative) Use of mechanical characteristics and related requirements .125 Bibliography127 Figure 1 By-pass switch Opening and closing operations 81 Figure
42、 2 By-pass switch Close-open cycle 82 Figure 3 By-pass switch Open-close cycle 83 Figure 4 Test sequences for low and high temperature tests84 Figure 5 Static terminal load forces85 Figure 6 Directions for static terminal load tests.86 Figure 7 Reference mechanical travel characteristics (idealized
43、curve)87 Figure 8 Reference mechanical travel characteristics (idealized curve) with the prescribed envelopes centred over the reference curve (5 %), contact separation in this example at time t = 20 ms 87 Figure 9 Reference mechanical travel characteristics (idealized curve) with the prescribed env
44、elopes fully displaced upward from the reference curve ( %), contact separation in this example at time t = 20 ms .88 010+Figure 10 Reference mechanical travel characteristics (idealized curve) with the prescribed envelopes fully displaced downward from the reference curve ( %), contact separation i
45、n this example at time t = 20 ms .88 010 6 62271-109 IEC:2008 Figure 11 Equivalent testing set-up for unit testing of by-pass switches with more than one separate by-pass units .89 Figure 12 Typical test circuit for the by-pass making current test-duty .90 Figure 13 Oscillogram obtained from the typ
46、ical test circuit for the by-pass making current test-duty .91 Figure 14 Typical LC test circuit for the insertion current test-duty .92 Figure 15 Oscillogram obtained from the typical LC test circuit for the insertion current test-duty .93 Figure 16 Typical test circuit for the insertion current te
47、st-duty (mainly for high rated insertion current) 94 Figure 17 Oscillogram obtained from the typical test circuit shown in Figure 16 for the insertion current test-duty .95 Figure 18 Typical direct test circuit for the insertion current test-duty.96 Figure 19 Oscillogram obtained from the typical di
48、rect test circuit for the insertion current test-duty .97 Figure E.1 Typical components layout for by-pass switches used as the primary by-passing device114 Figure F.1 Typical example of the transient reinsertion voltage across a by-switch for a low compensation factor scheme (k = 0,2) and for a pow
49、er swing of 1,8 p.u121 Figure F.2 Typical example of the transient reinsertion voltage across a by-switch for an high compensation factor scheme (k = 0,5) and for a power swing of 1,8 p.u. .122 Figure F.3 Comparison of the calculated transient reinsertion voltage examples and possible testing envelopes for 50 Hz systems .122 Figure F.4 Comparison of the calculated transient reinsertion voltage exam
