BS 3938(1973) : 1973被替代
SPECIFICATION FOR CURRENT TRANSFORMERS
出版：British Standards Institution
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基本信息
標準編號： BS 3938(1973) : 1973
發布時間：1973/1/1 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：42
標準簡介
Establishes the requirements for current transformers for frequencies of 15 Hz to 100 Hz, and for use with electrical measuring instruments and electrical protective devices. Covers transformers for operating circuit break trip coils. The requirements to be met by all current transformers are specified.
替代本標準的新標準
