cobreee
Newbie level 1
thyristor mig
Hi i got an welder from a friend because missing controlunit, i will build a new one questions is :
Welder give max 500A 39VDC
1. I need to have driver for thyristors " big one's" it is disc thyristors but i don't know the data
2. I think the original is using phase control
3. For MIG welding the important is to follow the voltage so i need to control the thyristors depending of the voltage
Any good ideas for make a first prototype of controlunit
Schematic of welder
What is missing is 70.2, and 70.1
// Conny
Hi i got an welder from a friend because missing controlunit, i will build a new one questions is :
Welder give max 500A 39VDC
1. I need to have driver for thyristors " big one's" it is disc thyristors but i don't know the data
2. I think the original is using phase control
3. For MIG welding the important is to follow the voltage so i need to control the thyristors depending of the voltage
Any good ideas for make a first prototype of controlunit
Schematic of welder
What is missing is 70.2, and 70.1
// Conny