GB/T 28428-2012
Active27.5kV and 2×27.5kV AC metal-enclosed switchgear and controlgear for electrification railway
电气化铁路27.5kV和2×27.5kV交流金属封闭开关设备和控制设备
Application Summary AI generated
This standard specifies technical requirements, test methods, and acceptance criteria for 27.5kV and 2×27.5kV AC metal-enclosed switchgear and controlgear used in electrified railway traction power supply systems. It is applied to the design, manufacturing, and inspection of switchgear installed in railway substations and switching stations to ensure safe and reliable power distribution for overhead contact lines. The standard covers insulation, mechanical performance, and protection coordination for equipment operating under the specific voltage levels and environmental conditions of railway electrification.
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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.