China Mf Transformer Unit Medium Frequency Transformer 1000Hz Transformer

Resistance welder using 1000hz weldEnergy Saver ing transformer

Application

For all kinds of intermediate frequency, power frequency

resistance welding machine.Such as automobile welding clamp,

seam welding machine, mesh welding machine and so on.

Brief introduction

Medium-frequency (MF) transformers are a result of recent advances in resistance welding technology.

They arepowered by Woodworking Machinery a transistor inverter, supplying square wave AC 500 V @ 1000 Hz which is converted

by the MF transformer to a low voltage high current AC. This low voltage AC current is rectified to DC by

a diode block built into the transformer.The higher operating frequency of an MF system allows efficient

energy conversion using a smaller and lighter tElectronic Instrument ransformer.Other benefits with MF transformers used in

portable and robotic welding guns are:The reactance of the welding loop only limits the upslope and down

slope of the welding current, while the peak welding current in limiHardware Accessories ted only by the welding loop's resistance.

The net result is again smaller transformer, especially when welding with large throat, high-impedance guns.

MF welding is less demanding on the plant power system. The MF inverter draws balanced line current from

all 3 phases and operates at a high power factor (0.9).With MF transformers tIntegrated Circuit he peak welding current almost

equals its RMS value, which helps to obtain quality welds with no splash and constantstrength even at lower

pressure.The high frequency permits much faster - 1000 times per second - process control, which again results

in better weld quality.

MF transformer DC Unit │Series MF170/130