ESAB ESP-600C - Page 36

SECTION 4 Operation
ESP-600C Plasma Power Source
ESP-600C Plasma Power SourceESP-600C Plasma Power Source
ESP-600C Plasma Power Source
4-8
4.5 ESP-600C V-I Curves
ESP-600C V-I CURVES
0
50
100
150
200
250
300
350
400
450
0 100 200 300 400 500 600 700
OUTPUT CURRENT (Amperes)
OUTPUT VOLTAGE (Volts)
V
REF
= 0.625V
MIN RATING
V
REF
= 4.000V
V
REF
= 3.000V
V
REF
= 2.000V
V
REF
= 1.000V
INTERNAL CURRENT LIMI
T
V
REF
= 7.500V
V
REF
= 7.000V
V
REF
= 6.000V
V
REF
= 5.000V
MAX RATING
427V Open Circuit (460V & 575V Models)
410V Open Circuit (400V Model)
Output of Boost/Start Circuit
Max Output Voltage
@
Nominal Line
I
OUT
= (80) x (V
REF
)