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Advantages of silicon steel cores for high frequency transformers
the use of J silicon steel cores enables transformers with low heat generation, so that the design value of magnetic flux density can be increased compared to previous silicon steel sheets, enabling the miniaturization of transformers.
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2022
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Why do transformer silicon steel cores need to be coated with insulating paint?
If we look closely at generators, motors and transformers, we can see that their cores are not made of a single piece of metal, but of many thin laminated sheets of silicon steel coated with insulating paint. Why are thin sheets of silicon steel used and why do they need to be painted? What is their purpose? Here are some answers.