DD CLC/TS 62271-304:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
High-voltage switchgear and controlgear Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions
Hardcopy , PDF
06-14-2019
English
03-31-2009
FOREWORD
1 Scope and object
2 Normative references
3 Degrees of severity of service conditions under
condensation and pollution
4 Classification of enclosed switchgear and controlgear
5 Classification procedure
6 Test facilities and associated requirements
6.1 Climatic test room
6.2 Control requirements
6.3 Energizing facilities
7 Selection and arrangement of the equipment for test
7.1 Selection of the equipment
7.2 Arrangement of the equipment
8 Ageing test
8.1 Level 1 ageing test
8.2 Level 2 ageing test
9 Diagnostic procedure after ageing test
9.1 General
9.2 Electrical diagnostic procedure
9.3 Mechanical diagnostic procedure (optional)
9.4 Evaluation
Annex A (normative) - Climatic cycle
Annex B (normative) - Climatic test room
Annex C (informative) - Example of typical environment
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
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