OM-275857 Page 75
SECTION 13 – HIGH FREQUENCY
13-1. Welding Processes Requiring High Frequency
OM-
SECTION 1 HIGH FREQUENCY
1
TIG
S-0694
13
9
8
7
1
2
4
5
6
3
10
11, 12
14
1
High-Frequency Voltage
TIG – helps arc jump air gap between torch
and workpiece and/or stabilize the arc.
13-2. Installation Showing Possible Sources Of HF Interference
Best Practices Not Followed
OM-
SECTION 1 HIGH FREQUENCY
1
TIG
S-0694
13
9
8
7
1
2
4
5
6
3
10
11, 12
14
Sources
of
Direct
High
Frequency
Radiation
1
High-Frequency Source (welding power
source with built-in HF or separate HF
unit)
2
Weld Cables
3
Torch
4
Work Clamp
5
Workpiece
6
Work Table
Sources
of
Conduction
of
High
Frequency
7
Input Power Cable
8
Line Disconnect Device
9
Input Supply Wiring
Sources
of
Reradiation
of
High
Frequency
10 Ungrounded Metal Objects
11 Lighting
12 Wiring
13 Water Pipes And Fixtures
14 External Phone And Power Lines
Summary of Contents for Dynasty 400
Page 78: ...OM 275857 Page 68 275852 H Figure 12 2 Dynasty 400 Circuit Diagram Page 2 of 2...
Page 80: ...OM 275857 Page 70 Figure 12 4 Maxstar 400 Circuit Diagram Page 2 of 2...
Page 81: ...OM 275857 Page 71 275854 G Figure 12 5 Dynasty 800 Circuit Diagram Page 1 of 2...
Page 82: ...OM 275857 Page 72 275854 G Figure 12 6 Dynasty 800 Circuit Diagram Page 2 of 2...
Page 83: ...OM 275857 Page 73 Figure 12 7 Maxstar 800 Circuit Diagram Page 1 of 2...
