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Idiomas disponibles
Summary
2.1 Brief introduction
AC/DC TIG 200P, AC/DC Plasma TIG 200P welding machines adopts the latest pulse
width modulation (PWM) technology and insulated gate bipolar transistor (IGBT) power
module, which can change work frequency to medium frequency so as to replace the
traditional hulking ork frequency transformer with the cabinet medium frequency transformer.
Thus, its characterized with portable, small size, light weight, low consumption and etc.
The parameters of on the front panel all can be adjusted continuously and steplessly,
such as start current, crater arc current, welding current, base current, duty ratio, upslope
time, downslope time, pre-gas, post-gas, pulse frequency, AC frequency, balance, hot start,
arc force and length etc. When welding, it takes high frequency and high voltage for arc
igniting to ensure the success ratio of igniting arc.
AC/DC TIG 200P, AC/DC Plasma TIG 200P machines Characteristics:
◆MCU control system, responds immediately to any changes.
◆High frequency and high voltage for arc igniting to ensure the success ratio of igniting
arc, the reverse polarity ignition ensures good ignition behavior in TIG-AC welding.
◆Avoid AC arc-break with special means, even if arc-break occurs the HF will keep the arc
stable.
◆Pedal control the welding current.
◆In DC TIG without HFopertation, If the tungsten electrode touches the workpiece when
welding, the current will drop to short-circuit current to protect tungsten.
◆ Intelligent protection: over-current, over-heat, when the mentioned problems occoured,
the alarm lamp on the front panel will be on and the output current will be cut off. It can
self-protect and prolong the using life.
◆Double purposes: AC inverter TIG and DC inverter TIG/MMA, Excellent performance
on AL-alloy, carbon steel, stainless steel, titanium.
2.2 Working principle
The working principle of AC/DC welding machines is shown as the following figure. Single-phase
230V work frequency AC is rectified into DC (about 312 V), then is converted to medium frequency
AC (about
20-40KHz) by inverter device (IGBT module), after reducing voltage by medium
transformer (the main transformer) and rectifying by medium frequency rectifier (fast recovery
diodes), then is outputted DC or AC by selecting IGBT module. The circuit adopts current feedback
control technology to insure current output stably. Meanwhile, the welding current parameter can
be adjusted continuously and steplessly to meet with the requirements of welding craft.
230V,50Hz
40
2.3 Volt- ampere characteristic
AC/DC TIG 200P,AC/DC Plasma TIG 200P
welding machine has an excellent volt-ampere
characteristic, whose graph is shown as the
following figure. The relation between the con-
ventional rated loading voltage U and the
2
conventional welding current I is as follows:
2
TIG:When I ≤600A, U =10+0.04I (V);
2
2
2
When I >600A,U =34(V).
2
2
MMA:When I ≤600A, U =20+0.04I (V);
2
2
2
When I >600A,U =44(V).
2
2
CUT:When I ≤600A, U =80+0.4I (V);
2
2
2
2.4 Specifications
Description
ACDC TIG 200P
Weight
8.7kg
size(LxWxH)
425x152x291
Cooling
Fan Cooled
Welder Type
Inverter Power Source
European Standards
EN 60974-1 / IEC 60974-1
Mains voltage
1 x 230 Volt ±15%
Grid frequency
50/60Hz
Welding Current Range (TIG Mode)
10-200 A
Welding Current Range (MMA Mode)
30-170 A
Welding Current Range (Plasma Mode)
Effective Input Current
15.4 A
Maximum Input Current
30.9A
Erforderliche Auslegung des
10KVA
Einphasengenerators
200A@ 40%18V
Duty cycle, 40°C, 10 min(TIG)
126A@ 100%15V
170A@ 25%26.8V
Duty cycle, 40°C, 10 min(MMA)
85A@ 100%23.4V
Duty cycle, 40°C, 10 min(Plasma)
Open Circuit Voltage
TIG/MMA( 60V DC)
Protection Class
IP23
Insulation Class
H
Summary
ACDC Plasma TIG 200P
9.5kg
425x152x291
Fan Cooled
Inverter Power Source
EN 60974-1 / IEC 60974-1
1 x 230 Volt ±15%
50/60Hz
10-200 A
30-170 A
20-40 A
15.4 A
30.9A
10KVA
200A@ 40%18V
126A@ 100%15V
170A@ 25%26.8V
85A@ 100%23.4V
40A@ 40%96V
25A@ 100%90V
TIG/ MMA(60V DC)
Plasma(270V DC)
IP23
H
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