HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 306: GUIDE TO IEC 62271-100, IEC 62271-1 AND OTHER IEC STANDARDS RELATED TO ALTERNATING CURRENT CIRCUIT-BREAKERS
International Electrotechnical Committee
FOREWORD
1 General
2 Evolution of IEC standards for high-voltage
circuit-breaker
3 Classification of circuit-breakers
4 Insulation levels and dielectric tests
5 Rated normal current and temperature rise
6 Transient recovery voltage
7 Short-line faults
8 Out-of-phase switching
9 Switching of capacitive currents
10 Gas tightness
11 Miscellaneous provisions for breaking tests
12 Rated and test frequency
13 Terminal faults
14 Double earth fault
15 Transport, storage, installation, operation and maintenance
16 Inductive load switching
Annex A (informative) - Consideration of d.c. time constant
of the rated short-circuit current in the application of
high-voltage circuit-breakers
Annex B (informative) - Interruption of currents with
delayed zero crossings
Annex C (informative) - Parallel switching
Annex D (informative) - Application of current limiting reactors
Annex E (informative) - Explanatory notes on the revision of
TRVs for circuit-breakers of rated voltages higher
than 1 kV and less than 100 kV
Annex F (informative) - Current and test-duty combination
for capacitive current switching tests
Annex G (informative) - Grading capacitors
Annex H (informative) - Circuit-breakers with opening resistors
Annex I (informative) - Circuit-breaker history
Bibliography
Pertains to a.c. circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1000 V.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 17 |
