TK-80 Welding Transformer
This welding transformer is designed for use in resistance welding machines as a source of welding current.Technical description:
| Specifications | TK-80 |
|---|---|
| Rated mains voltage, V | 380 |
| Supply frequency, Hz | 50 |
| Power at 50% duty cycle, kVA | 81 |
| Rated voltage of the primary winding, V | 365 |
| Open-circuit secondary voltage, V | 2,92-6,29 |
| Continuous secondary current with parallel connection of the loops, A | 9000 |
| Isolation class | F |
| Overall dimensions, mm | 600x186x436 |
| Weight, kg | 122 |
Comparison characteristics of TK-80 and TVK-75 transformers:
| Specifications | TK-80 | TVK-75 |
|---|---|---|
| Rated mains voltage, V | 380 | 380 |
| Power at 50% duty cycle, kVA | 81 | 75 |
| Rated voltage of the primary winding, V | 365 | 365 |
| Number of adjustment steps | 8 | 8 |
| Number of secondary winding loops | 2 | 2 |
| Open-circuit secondary voltage, V | 2,92-6,29 | 2,92-6,3 |
| No-load current, A | 3,9 | 9,5 |
| Rated continuous primary current, A | 155 | 148 |
| Continuous secondary current with parallel connection of the loops, A | 9000 | 9000 |
| Isolation class | F | B |
| Water consumption in the cooling system, l/min, at least | 4,5 | 4,2 |
| Secondary loop design | M1 pipe | Disk |
| Active winding resistance, Ohm*10(-6), (R) | 42 | 50 |
| Inductive winding resistance, Ohm*10(-6), (X) | 56 | 52 |
| Overall winding resistance, Ohm*10(-6), (Z) | 70 | 72 |
| Overall dimensions, mm | 600x186x436 | 606x188x420 |
| Weight, kg | 122 | 107 |
