This part of IEC 62271 applies to indoor enclosed switchgear and controlgear complying with IEC 62271-200 and IEC 62271-201, intended to be used in service conditions more severe with respect to condensation and pollution than the normal service conditions specified in IEC 62271-1. This technical specification covers equipment where any of the insulation is exposed to indoor climatic conditions. The test detailed in this technical specification has been designed primarily to investigate the behaviour of electrical insulation and not corrosion on equipments. Nevertheless, the performance of mechanical components, such as mechanisms, interlocks and enclosures may also be recorded. This technical specification proposes definitions for two degrees of severe service conditions with respect to condensation and pollution. It also proposes test procedures for assessing the performance of enclosed switchgear and controlgear under specified conditions so that conclusions may be drawn concerning their suitability for service under those severe service conditions. In this technical specification, the term "equipment" is used in accordance with the scope for an "enclosed assembly of switchgear and controlgear" (see IEC 60050-441, definition 441-12- 02). NOTE The testing procedures described in this technical specification may also be applied to internal insulation of outdoor equipment.
BS DD CLC/TS 62271-304-2008由英国标准学会 GB-BSI 发布于 2009-04-30,并于 2009-04-30 实施。
BS DD CLC/TS 62271-304-2008 在中国标准分类中归属于: K43 高压开关设备,在国际标准分类中归属于: 29.130.10 高压开关装置和控制器。
* 在 BS DD CLC/TS 62271-304-2008 发布之后有更新,请注意新发布标准的变化。
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