前面
发表于 2025-3-30 11:53:05
Current transformers,ounted around a core, usually of magnetic material. Such transformers are normally used to step down high currents flowing in their primary windings to lower levels suitable for feeding to measuring and protective equipment. Isolation of the latter equipment from the primary circuits is ensured by t
手段
发表于 2025-3-30 12:49:18
http://reply.papertrans.cn/31/3058/305744/305744_52.png
Clinch
发表于 2025-3-30 20:00:07
http://reply.papertrans.cn/31/3058/305744/305744_53.png