Mid Frequency Inverter, Resistance Welding Control

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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