MEA-100B
13. Specifications
13-1
13. Specifications
(1) Specifications
Item Specifications
Power Supply
Single phase 200V/220V/230V/240V/380V/400V/460V/480V AC
(Voltage is selectable but factory-fixed on shipment.)
+13%, -20%, 50/60 Hz
Maximum
Output Capacity
60 kVA (Duty cycle: 1.3% when 200 V AC is input)
66 kVA (Duty cycle: 1.3% when 220 V AC is input)
68 kVA (Duty cycle: 2% when 380 V AC is input)
72 kVA (Duty cycle: 2% when 400 V AC is input)
86 kVA (Duty cycle: 2% when 480 V AC is input)
Note: For duty cycle, see
13. (2) Duty Cycle
.
Control Method
Secondary constant-current control
Power supply voltage fluctuation compensation control
Welding Current
Control
Multi-cycle welding
Single-cycle welding
Half-cycle welding
Firing Angle
Control Range
20
–150
Control Speed
Half cycle
Welding Current
Accuracy
Secondary constant-current control (when the current is set to the
maximum value)
Supply voltage fluctuation
Resistance load fluctuation *
Inductive load fluctuation *
(Power factor angle fluctuation)
Power supply voltage fluctuation compensation control (when the
current is set to the maximum value)
Supply voltage fluctuation .... within
3% for a fluctuation of
10%
(within 20%–80% of the set current when using a welding
machine with a power factor of 0.85–0.95)
Current Control
Interval
Secondary constant-current control:
All cycles excluding the first half cycle
Power supply voltage fluctuation compensation control:
All cycles
Number of
Selectable
Schedules
31 schedules
within
2% for a
fluctuation of
10%
(* Fluctuation from our
standard load)