Hello,
i have try to complete an homemade transformer, but it doesn't work. I think the problem comes from the toroidal core. I made it from a 9 3/4 inch. outside diameter x 2 inch. height X 4 3/4 inch inside diameter low-carbon steel shaft. When i look to the resistance with the multimeter on the primary coil i got 0.6 ohm. the primary coil has 159 turns of 14 awg emaled copper wire and the secondary of 33 turns of 14 awg. So, why it doesn't works? Not enough turns? Or i should made the toroidal core with sheet metal (low-carbon steel) laminate? Or something else i didn't get? (design for 120V AC input). Thanks to help me to illucidate this.
i have try to complete an homemade transformer, but it doesn't work. I think the problem comes from the toroidal core. I made it from a 9 3/4 inch. outside diameter x 2 inch. height X 4 3/4 inch inside diameter low-carbon steel shaft. When i look to the resistance with the multimeter on the primary coil i got 0.6 ohm. the primary coil has 159 turns of 14 awg emaled copper wire and the secondary of 33 turns of 14 awg. So, why it doesn't works? Not enough turns? Or i should made the toroidal core with sheet metal (low-carbon steel) laminate? Or something else i didn't get? (design for 120V AC input). Thanks to help me to illucidate this.