IEC 60989 : 1.0現行
SEPARATING TRANSFORMERS, AUTOTRANSFORMERS, VARIABLE TRANSFORMERS AND REACTORS
出版：International Electrotechnical Committee
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基本信息
標準編號： IEC 60989 : 1.0
發布時間：1991/4/18 0:00:00
標準類別：Standard
出版單位：International Electrotechnical Committee
標準頁數：242
標準簡介
Applies to stationary or portable, single-phase or polyphase, air-cooled separating transformers, autotransformers, variable transformers and small reactors, associated or not, and have a rated supply voltage of not more than 1 000 V a.c., a rated frequency of not more than 500 Hz, a rated no-load or load output voltage of not more than 15 kV a.c. or d.c. and a rated output not exceeding 1 kVA for single-phase transformers, 2 kVAR for single-phase reactors, 5kVA for polyphase transformers and 10 kVAR for polyphase reactors, unless stated otherwise in the relevant chapters.
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