1、 IEC 60143-1 Edition 5.0 2015-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Series capacitors for power systems Part 1: General Condensateurs srie destins tre installs sur des rseaux Partie 1: Gnralits IEC 60143-1:2015-06(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 I
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19、lication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60143-1 Edition 5.0 2015-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Series capacitors for power systems Part 1: General Condensateurs srie destins tre installs sur des rseaux Partie 1: Gnralits INTERNATIONAL ELECTROTECHNICAL C
20、OMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 31.060.70 ISBN 978-2-8322-2752-7 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distr
21、ibutor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 60143-1:2015 IEC 2015 CONTENTS FOREWORD 6 1 Scope and object .8 2 Normative references 8 3 Terms and definitions 9 4 Service conditions . 15 4.1 Normal service conditions . 15
22、 4.2 Ambient air temperature categories . 15 4.3 Abnormal service conditions 16 4.4 Abnormal power system conditions . 16 5 Quality requirements and tests 16 5.1 Test requirements for capacitor units . 16 5.1.1 General . 16 5.1.2 Test conditions 16 5.1.3 Voltage limits as established by overvoltage
23、protector 17 5.1.4 Determination of protective level voltage U pland U lim. 18 5.2 Classification of tests 18 5.2.1 General . 18 5.2.2 Routine tests . 18 5.2.3 Type tests 19 5.2.4 Special test (ageing test) . 19 5.3 Capacitance measurement (routine test) . 19 5.3.1 Measuring procedure . 19 5.3.2 Cap
24、acitance tolerance . 20 5.4 Capacitor loss measurement (routine test) 20 5.4.1 Measuring procedure . 20 5.4.2 Loss requirements . 21 5.4.3 Losses in external fuses 21 5.5 Voltage test between terminals (routine test) . 21 5.6 AC voltage test between terminals and container (routine test) 21 5.7 Test
25、 on internal discharge device (routine test) . 21 5.8 Sealing test (routine test) 22 5.9 Thermal stability test (type test) 22 5.9.1 Measuring procedure . 22 5.9.2 Capacitor loss measurement 23 5.10 AC voltage test between terminals and container (type test) 23 5.11 Lightning impulse voltage test be
26、tween terminals and container (type test) 24 5.12 Cold duty test (type test) . 24 5.13 Discharge current test (type test) 25 6 Insulation level 26 6.1 Insulation voltages 26 6.1.1 Standard values . 26 6.1.2 Insulation to earth and between phases . 26 6.1.3 Insulation levels for insulators and equipm
27、ent on the platform 26 6.2 Creepage distance 33 6.3 Air clearances . 34 7 Overloads, overvoltages and duty cycles . 38 IEC 60143-1:2015 IEC 2015 3 7.1 Currents . 38 7.2 Transient overvoltages 38 7.3 Duty cycles . 39 8 Safety requirements 39 8.1 Discharge device 39 8.2 Container connection 39 8.3 Pro
28、tection of the environment 40 8.4 Other safety requirements . 40 9 Markings and instruction books 40 9.1 Markings of the unit 40 9.1.1 Rating plate . 40 9.1.2 Warning plate 41 9.2 Markings of the bank . 41 9.2.1 Instruction sheet or rating plate 41 9.2.2 Warning plate 41 9.3 Instruction book 41 10 G
29、uide for selection of ratings, installation and operation . 42 10.1 General 42 10.2 Reactance per line, rated reactance per bank and number of modules per bank . 42 10.2.1 Capacitive reactance per line . 42 10.2.2 Number of series capacitor banks in a transmission line . 43 10.2.3 Number of modules
30、in a capacitor bank 44 10.2.4 Future requirements for series capacitors . 44 10.3 Current ratings for the bank . 44 10.3.1 General . 44 10.3.2 Typical bank overload and swing current capabilities 45 10.3.3 Analysis to determine the continuous and emergency overload current rating . 46 10.3.4 Analysi
31、s to determine the swing current rating 46 10.4 Overvoltage protection requirements . 46 10.5 Voltage limitations during power system faults . 47 10.5.1 General . 47 10.5.2 Voltage limitation when the inductance between the primary overvoltage protector and the capacitors is not significant 47 10.5.
32、3 Voltage limitation when the inductance between the primary overvoltage protector and the capacitors is significant 48 10.6 Protective and switching devices . 48 10.6.1 Capacitor fusing . 48 10.6.2 Other devices 48 10.6.3 Connection diagrams . 48 10.7 Choice of insulation level 49 10.7.1 Normal cas
33、es . 49 10.7.2 Altitude exceeding 1 000 m 49 10.8 Long line correction 50 10.9 Other application considerations . 51 10.9.1 General . 51 10.9.2 Ferro-resonance 51 10.9.3 Sub-synchronous resonance 51 4 IEC 60143-1:2015 IEC 2015 10.9.4 Relay protection of the power system . 51 10.9.5 Attenuation of ca
34、rrier-frequency transmission . 52 10.9.6 Non-transposed transmission lines . 52 10.9.7 Power system harmonic currents 52 10.9.8 TRV across line circuit-breakers . 52 10.9.9 Delayed line current zero crossing . 53 10.9.10 Prolonged secondary arc current 53 Annex A (normative) Test requirements and ap
35、plication guide for external fuses and units to be externally fused . 54 A.1 Overview 54 A.2 Purpose 54 A.3 Terms employed in Annex A 54 A.4 Performance requirements 54 A.5 Tests 55 A.5.1 Tests on fuses . 55 A.5.2 Type tests on capacitor container . 55 A.6 Guide for coordination of fuse protection .
36、 55 A.6.1 General . 55 A.6.2 Protection sequence 55 A.7 Choice of fuses . 56 A.7.1 General . 56 A.7.2 Non current-limiting fuses 56 A.7.3 Current-limiting fuses . 56 A.8 Information needed by the user of the fuses 56 Annex B (informative) Economic evaluation of series capacitor bank losses . 57 Anne
37、x C (informative) Capacitor bank fusing and unit arrangement 58 C.1 General 58 C.2 Internally fused capacitor bank 58 C.3 Externally fused capacitor bank . 58 C.4 Fuseless capacitor bank 59 Annex D (informative) Examples of typical connection diagrams for large series capacitor installations for tra
38、nsmission lines 61 Annex E (informative) Precautions to be taken to avoid pollution of the environment by polychlorinated biphenyls . 62 Bibliography . 63 Figure 1 Typical nomenclature of a series capacitor installation 12 Figure 2 Classification of overvoltage protection 17 Figure 3 Time and amplit
39、ude limits for an overvoltage period waveform 25 Figure 4 Air clearance versus a.c. power frequency withstand voltage 38 Figure 5 Typical current-time profile of an inserted capacitor bank following the fault and clearing of parallel line . 45 Figure C.1 Typical connections between capacitor units i
40、n a segment or phase 59 Figure C.2 Typical connections between elements within a capacitor unit . 60 Figure D.1 Diagrams for smaller banks 61 Table 1 Letter symbols for upper limit of temperature range . 15 IEC 60143-1:2015 IEC 2015 5 Table 2 Ambient air temperature in thermal stability test . 22 Ta
41、ble 3 Standard insulation levels for range I (1 kV 245 kV) (1 of 2) . 30 Table 5 Typical insulation levels for platform-to-ground insulators (1 of 2) 32 Table 6 Specific creepage distances 34 Table 7 Correlation between standard lightning impulse withstand voltages and minimum air clearances 36 Tabl
42、e 8 Correlation between standard switching impulse withstand voltages and minimum phase-to-earth air clearances . 37 (reproduced from IEC 60071-2:1996, Table A.2) . 37 Table 9 Correlation between standard switching impulse withstand voltages and minimum phase-to-phase air clearances . 37 Table 10 Ty
43、pical bank overload and swing current capabilities . 45 6 IEC 60143-1:2015 IEC 2015 INTERNATIONAL LECTROTECHNICAL COMMISSION _ SERIES CAPACITORS FOR POWER SYSTEMS Part 1: General FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprisin
44、g all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards
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