Chinese Standard: GB/T 20840.2-2014

Instrument transformers—Part 2:Additional requirements for current transformers

MOD  IEC 61869-2:2012

全国互感器标准化技术委员会(SAC/TC 222)

GB 20840的本部分适用于供电气测量仪表或/和电气保护装置使用、频率为15 Hz～100 Hz的新制造的电磁式电流互感器。

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