SIS SS IEC 726-1983 电力变压器.干式电力变压器

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标准号:SIS SS IEC 726-1983
中文标准名称:电力变压器.干式电力变压器
英文标准名称:Power transformers - Dry-type power transformers
发布日期:1983/11/15 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Krafttransformatorer - Torrisolerade krafttransformatorerPower transformers - Dry-type power transformersThis standard applies to dry-type power transformers (including auto-transformers) having values of highest voltage for equipment up to and including 36 kV.The following small and special dry-type transformers are not covered by this standard:— single-phase transformers rated at less than 1 kVA and polyphase transformers rated at less than 5 kVA;— instrument transformers (covered by IEC Publications 185: Current Transformers, and 186: Voltage Transformers);— transformers for static convertors (covered by IE C Publications 84: Recommendations for Mercury-arc Convertors, 119: Recommendations for Polycrystalline Semiconductor Rectifier Stacks and Equipment, and 146: Semiconductor Convertors);— starting transformers;— testing transformers;— traction transformers mounted on rolling stock;— flameproof and mining transformers;— welding transformers;— voltage regulating transformers;— small power transformers in which safety is a special consideration.Where IE C standards do not exist for the transformers mentioned above or for other special transformers, this standard may be applicable as a whole or in parts.With the publication of this standard, the requirements of IE C Publication 76 apply to dry-type transformers only in so far as they are referred to in this standard.Where reference is made to specific clauses and sub-clauses of various parts of IE C Publication 76, it is to be understood that the editions are as follows:76-1, 76-2, 76-4, 76-5: 1976. 76-3: 1980.

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