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Why do microwave transformers have one side of the secondary winding attached to the transformer core?

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  • Roger
    Lv 7
    1 month ago
    Favorite Answer

    Microwave transformers have one side of the secondary connected to ground because the magnetron tube's case is grounded. The other secondary lead is connected to  cathode of the magnetron  via a diode rectifier. 

    • Drizzy1 month agoReport

      Thank you for a clear answer!

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  • 1 month ago

    This is a insulation winding ( just one layer) to separate between the primary winding and secondary HV winding.. The iron core is connected to the earth grounding line.

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