A.5.2 FREQUENCY
Frequency, Figure A-7, is the number of pulses per second or, in theory, the number of weld
droplets per second. Since increasing the frequency generates more pulses in a given time
period, higher frequencies generate higher average current levels.
FIGURE A-7. FREQUENCY.
Appendix A
A-15
PULSE WAVE SHAPING PRINCIPLES
WAVE DESIGNER
27850040
AVERAGE
CURRENT
AVERAGE
CURRENT
BACKGROUND
CURRENT
BACKGROUND
CURRENT
T
1
T
1
T
2
T
2
T
3
T
3
LARGER
DROPLETS
SHORTER
ARC
SMALLER
DROPLETS
LONGER
ARC
A.5.3 BACKGROUND CURRENT
The background current, Figure A-7, is set to maintain a desired plasma arc between weld
droplet transfers and to control the heat input to the weld system.
Содержание WAVE DESIGNER
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