Specification for cast resin partitions for metal-enclosed gas-filled high-voltage switchgear and controlgear
Specification for cast resin partitions for metal-enclosed gas-filled high-voltage switchgear and controlgear
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2 Scope
2.1 Type of equipment This standard applies to cast resin partitions pressurized with inert gases, for example sulfur hexafluoride or a mixture of gases such as sulfur hexafluoride and nitrogen used in indoor or outdoor installations of high-voltage switchgear and controlgear, where the gas is used principally for its dielectric and/or arc-quenching properties, with rated voltages
— 1 kV and up to and including 52 kV and with gas-filled compartments with design pressure greater than ;3 bar (gauge)
— and with rated voltage 72,5 kV and above.
The partitions comprise pressurized barriers in electrical equipment not necessarily limited to the following examples:
circuit breakers,
switch disconnectors,
disconnectors,
earthing switches,
current transformers,
voltage transformers,
surge arrestors,
Другие стандарты BS