AS 62271.100-2008

1 - AS 62271.100-2008 High-voltage switchgear and controlgear - Part 100: High-voltage alternating-current circuit breakers
4 - PREFACE
6 - CONTENTS
9 - 1 General
9 - 1.1 Scope
10 - 1.2 Normative references
12 - 2 Normal and special service conditions
12 - 3 Definitions
12 - 3.1 General terms
15 - 3.2 Assemblies
15 - 3.3 Parts of assemblies
15 - 3.4 Switching devices
17 - 3.5 Parts of circuit- breakers
19 - 3.6 Operation
21 - 3.7 Characteristic quantities
27 - 3.8 Index of definitions
31 - 4 Ratings
32 - 4.1 Rated voltage (Ur)
32 - 4.2 Rated insulation level
33 - 4.3 Rated frequency (fr)
33 - 4.4 Rated normal current (Ir) and temperature rise
33 - 4.5 Rated short- time withstand current (Ik)
33 - 4.6 Rated peak withstand current (Ip)
33 - 4.7 Rated duration of short circuit (tk)
33 - 4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua)
33 - 4.9 Rated supply frequency of closing and opening devices and auxiliary circuits
33 - 4.10 Rated pressures of compressed gas supply for insulation, operation and/or interruption
52 - 5 Design and construction
52 - 5.1 Requirements for liquids in circuit-breakers
52 - 5.2 Requirements for gases in circuit-breakers
52 - 5.3 Earthing of circuit-breakers
52 - 5.4 Auxiliary equipment
53 - 5.5 Dependent power closing
53 - 5.6 Stored energy closing
53 - 5.7 Independent manual operation
53 - 5.8 Operation of releases
55 - 5.9 Low- and high- pressure interlocking devices
55 - 5.10 Nameplates
57 - 5.11 Interlocking devices
57 - 5.12 Position indication
57 - 5.13 Degrees of protection by enclosures
57 - 5.14 Creepage distances
57 - 5.15 Gas and vacuum tightness
57 - 5.16 Liquid tightness
57 - 5.17 Flammability
57 - 5.18 Electromagnetic compatibility
57 - 5.101 Requirements for simultaneity of poles during single closing and single opening operations
57 - 5.102 General requirement for operation
58 - 5.103 Pressure limits of fluids for operation
58 - 5.104 Vent outlets
58 - 6 Type tests
60 - 6.1 General
60 - 6.2 Dielectric tests
63 - 6.3 Radio interference voltage ( r. i. v.) tests
63 - 6.4 Measurement of the resistance of the main circuit
63 - 6.5 Temperature- rise tests
64 - 6.6 Short- time withstand current and peak withstand current tests
65 - 6.7 Verification of the degree of protection
65 - 6.8 Tightness tests
65 - 6.9 Electromagnetic compatibility ( EMC) tests
65 - 6.101 Mechanical and environmental tests
76 - 6.102 Miscellaneous provisions for making and breaking tests
95 - 6.103 Test circuits for short- circuit making and breaking tests
97 - 6.104 Short- circuit test quantities
110 - 6.105 Short- circuit test procedure
112 - 6.106 Basic short- circuit test- duties
116 - 6.107 Critical current tests
117 - 6.108 Single- phase and double- earth fault tests
118 - 6.109 Short- line fault tests
122 - 6.110 Out- of- phase making and breaking tests
124 - 6.111 Capacitive current switching tests
136 - 6.112 Special requirements for making and breaking tests on class E2 circuit- breakers
137 - 6.200 Dielectric dissipation factor
138 - 7 Routine tests
138 - 7.1 Dielectric test on the main circuit
138 - 7.2 Dielectric test on auxiliary and control circuits
138 - 7.3 Measurement of the resistance of the main circuit
138 - 7.4 Tightness test
138 - 7.5 Design and visual checks
139 - 7.101 Mechanical operating tests
140 - 7.200 Dielectric dissipation factor
140 - 7.201 Partial discharge test
141 - 8 Guide to the selection of circuit-breakers for service
141 - 8.101 General
142 - 8.102 Selection of rated values for service conditions
144 - 8.103 Selection of rated values for fault conditions
149 - 8.104 Selection for electrical endurance in networks of rated voltage above 1 kV and up to and including 52 kV
149 - 8.105 Selection for capacitive current switching
149 - 9 Information to be given with enquiries, tenders and orders
149 - 9.101 Information to be given with enquiries and orders
151 - 9.102 Information to be given with tenders
152 - 10 Rules for transport, storage, installation, operation and maintenance
152 - 10.1 Conditions during transport, storage and installation
152 - 10.2 Installation
158 - 10.3 Operation
158 - 10.4 Maintenance
159 - 11 Safety
208 - Annex A (normative) Calculation of transient recovery voltages for short-line faults from rated characteristics
216 - Annex B (normative) Tolerances on test quantities during type tests
223 - Annex C (normative) Records and reports of type tests
226 - Annex D (normative) Determination of short-circuit power factor
228 - Annex E (normative) Method of drawing the envelope of the prospective transient recovery voltage of a circuit and determining the representative parameters
232 - Annex F (normative) Methods of determining prospective transient recovery voltage waves
249 - Annex G (normative) Rationale behind introduction of circuit-breakers class E2
250 - Annex H (informative) Inrush currents of single and back-to-back capacitor banks
255 - Annex I (informative) Explanatory notes
270 - Annex J (informative) Test current and line length tolerances for short-line fault testing
272 - Annex K (informative) List of symbols and abbreviations used in IEC 62271-100
278 - Annex L (informative) Explanatory notes on the revision of TRVs for circuit-breakers of rated voltages higher than 1 kV and less than 100 kV
282 - Annex M (normative) Requirements for breaking of transformer-limited faults by circuit-breakers with rated voltage higher than 1 kV and less than 100 kV
285 - Annex ZA (informative) Items subject to agreement between the manufacturer and user
287 - Annex ZZ (normative) Variations to IEC 62271-100, Ed. 1.2 (2006) for application in Australia
288 - Bibliography

Applies to a.c. circuit breakers designed for indoor and outdoor service for operation on systems with frequencies up to 60 Hz and voltages higher than 1000 V. Sections are included covering service conditions, definitions, rating, design and construction, type and routine tests, the selection of circuit breakers for service, information to be given with enquiries, tenders and orders, transport and storage, erection, maintenace, guide for commissioning tests and quality control during manufacture.

Originated as AS C89-1967.
Revised and redesignated as AS 62271.100-2005.
Second edition 2008.