Mid Frequency Inverter, Resistance Welding Control
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The mid frequency inverter can increase the frequency of a resistance transformer from 50/60Hz to 1000Hz to decrease the weight of its iron core, reduce secondary inductive losses and control energy and operating costs. It can be paired with automatic electrode-holders to form a portable and lightweight welding equipment set with excellent performance.
Features
- The amount of splashing is largely decreased for a high quality weld and a clean, safe, and comfortable welding environment
- Accurate control of welding parameters in 1 millisecond for the consistent welding results of multilayer steel plate, thick steel plate, high strength steel sheet and aluminum alloy
- Basic building blocks of an inverter and in-process monitoring of weld quality and data monitoring
- Stable welding control system to prevent weld defects
- Three-phase electric power system and medium frequency welding
- No capacitance compensation cabinet
- Small volume and light weight. Compatible with suspension welders
- HMI operator interface for easy operation
Parameter
Model | EX-400 | EX-720 | EX-1100 | EX-1980 |
Input voltage | Single phase/three phase 220/380V+-15% | |||
Rated frequency | 50/60HZ | |||
Transformer voltage | DC500V | |||
Working frequency | 1KHZ-8KHZ | 1KHZ-4KHZ | 1KHZ-2KHZ | 1KHZ-2KHZ |
Current pattern | 00MF/DC | |||
Maximum output current20% | 400A | 720A | 1100A | 1980A |
Continuous output current100% | 120A | 230A | 400A | 630A |
Control pattern | KSR/KUR/KST | |||
Current feedback pattern | primary/secondary | |||
Operating display | text/HMI/PC | |||
Data range(group) | 7 | 256 | 64K | 64K |
Controlled equipment | Spot Welder/Projection welder/Seam Welder3T/Seam Welder1T/Suspension welder等 | |||
Communication station number | 43472 | 1-255 | 1-255 | 1-255 |
Protocol | 9600,7,E,1 | |||
Communication form | RS485/RS232 | |||
Control process | +-1% |
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