When the core of the frequency tripling transformer is variable section, its efficiency and thermal stability increase.

采用变截面铁心结构，可提高三倍频变压器的效率和热稳定性。

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When the core of the frequency tripling transformer is variable section, its efficiency and thermal stability increase.

采用变截面铁心结构，可提高三倍频变压器的效率和热稳定性。

youdao