Welding Transformer Diy. Thats the type of transformer you started out with. In my late teens I was always into electricity and basic electronics.
I use an Arduino to time the two pulses for each weld. Other materials included scrap 26 22 two copper screw type lugs two copper welding cable lugs two MIG welder tips two 4 x 34 zinc plated corner braces drywall screws and three. I also have a professional spot welder model Sunkko 737G which is around 100 but I can happily say that my DIY spot welder.
If the secondary has more turns than the input its output voltage is higher.
Download this video Switch To HTML5 Player. Homemade 200 Amp Arc Welder using Microwave Transformers - YouTube. Something like 20A at 240V goes in and this then gets transformed to something like 100A at 50V minus losses. OUTPUT VOLTAGE INPUT VOLTAGE NUMBER OF SECONDARY TURNS NUMBER OF PRIMARY TURNS Our primary has 100 turns and gets connected to 100 volts AC.