GB/T 27747-2011
ActiveHigh-voltage alternating current disconnecting circuit-breakers for rated voltages of 72.5 kV and above
额定电压72.5 kV及以上交流隔离断路器
Application Summary AI generated
This standard specifies technical requirements, test methods, and acceptance criteria for high-voltage AC disconnecting circuit-breakers designed for rated voltages of 72.5 kV and above. It is applied in electrical power transmission and distribution systems, particularly in substations and switchyards, to ensure safe isolation and interruption of high-voltage circuits. The standard governs equipment used by utilities, industrial plants, and grid operators for reliable switching and maintenance operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.