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IEEE/IEC 65700-19-03-2025
IEC/IEEE International Standard - Bushings for DC Application
Translate name
STANDARD published on 18.7.2025
The information about the standard:
Designation standards: IEEE/IEC 65700-19-03-2025
Publication date standards: 18.7.2025
SKU: NS-1226224
The number of pages: 78
Approximate weight : 234 g (0.52 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE/IEC 65700-19-03-2025 :
Revision Standard - Active.
This content has been transferred from the main text, since todays predominant bushing technology does not suffer from flashover during conditions of uneven wetting, in comparison to the earlier used ceramic insulators. Todays outdoor bushings in HVDC applications are made with composite insulators with silicon sheds with well proven hydrophobicity.
Furthermore, there exist no verified test method with sufficient reproducibility between different laboratories. It is also difficult for operators to have full knowledge or clear data on how to arrange a test setup that reflects actual site conditions.
Subsequently, uneven wetting test is not relevant for composite insulators.
The testing may still be performed to outdoor bushings, particularly with ceramic insulators, but shall be agreed between purchaser and manufacturer.
ISBN: 979-8-8557-2380-9, 979-8-8557-2381-6
Number of Pages: 78
Product Code: STD28073, STDPD28073
Category: Transformers
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