I am doing the same,and I cannot find if center tap is only for a ground connection or for the international groups like the EU or Australia which use 220v ac. The manufacture is a Korean co. Listed as Nantong DPC electronics , LTd. Email: is http;m.en.dpc-c.enUsing a MICROWAVE PRIMARY COIL for a home-made spot-welder.
Typically these have 2 input terminals/wires that you connect your black & white ac plug wires to.
Mine has 3 INPUT TERMINALS/WIRES.
Do not know which to connect to black/white plug wires.
Transformer = SAMSUNG SHV-U1870C
This was after researching the Samsung web page. I have not contacted. I have not tried DPC(digital communications company.LTd.), It was recommended to make up
My own message and forget yours I can make measurements on primary windings however I dont like HV windings on XFMR.
I cant find your Email, new to this website.
Mod:Link to old Thread.
https://forum.allaboutcircuits.com/...ires-ac-black-white-wires.140755/post-1185828
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