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现行 IEEE C57.12.56-1986
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IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution Transformers IEEE通风干式电力和配电变压器绝缘系统热评估的标准试验程序
发布日期: 1986-10-03
本标准旨在通过试验而非化学成分,建立一种确定通风干式电力和配电变压器绝缘系统温度等级的统一方法。这些绝缘系统适用于ANSI C57中列出的变压器。12.50-1981[1]和ANSI C57。12.51-1981[2],且其最高电压超过标称600 V。 注?在本标准中,术语变压器应被视为通风干式变压器,除非有其他描述性术语的限定。
This standard is intended to establish a uniform method for determining the temperature classification of ventilated dry-type power and distribution transformer insulation systems by test rather than by chemical composition. These insulation systems are intended for use in transformers listed in ANSI C57.12.50-1981 [1] and ANSI C57.12.51-1981 [2], and whose highest voltages exceed nominal 600 V. NOTE — In this standard, the term transformer shall be considered to mean ventilated dry-type transformer unless qualified by other descriptive terms.
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