NEN 2749:1995被替代
Instrument Transformers - Three-phase Voltage Transformers For Voltage Levels Up To 52 Kv
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN 2749:1995
发布时间：1995/1/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：27
标准简介
Specifies the requirements and tests for new three-phase voltage transformers with U[m] up to 52 kV and frequencies from 15 Hz to 100 Hz, for use with electrical instruments or electrical protective devices.
