[SOLVED] SWITCH MODE ARC INVERTER WELDER SCHEMATIC

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Yes, 'boosted zener' as i see in other my devices is works ok.
fed back to the welder output again through an inductance
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that is for increasing output voltage to 100V for easy arc initiation.
 

Excellent thanks deep 'n, I'll post how I get on.
 

version with stm8s
 

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  • stm8_wi_gdt c hex pcb schm.zip
    110.7 KB · Views: 331
version with HCPL3120


and corrected microprogram for GDT version (changes in current regulation)
 

Attachments

  • stm8_wi_gdt c hex pcb schm.zip
    110.7 KB · Views: 297
  • stm8_wi_hcpl c hex schm.zip
    98 KB · Views: 284
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