3 Questions
Which core material has the highest permeability, low exciting current, low errors, and saturation at a relatively low flux density?
Nickel-iron(77% Ni, 14% Fe
Which core material has a high permeability, high saturation level, reasonably small exciting current, and low errors?
Cold-rolled grain-oriented silicon steel
Up to what current rating does the core material made from nickel-iron alloy have reasonably good accuracy?
10-15 times the rated current
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