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MINARC 120
Kemppi MINARC 120 Service Manual
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Main
circuit
Secondary circuit connection,
Minarc 150/151.
T
0
0
1
U
R35
U
V28,
V29
C21
R34
R
3
7
C
2
0
V
2
6
,
V
2
7
R
3
3
X7
X9
L001
X003
X004
X6
X8
R
2
0
V
2
5
V
2
6
V24
R
2
1
V19
R11
X11/11
X11/14
X11/15
V18
V
2
3
V
2
2
C18
R
2
9
R
2
4
R
2
5
C
1
6
V30
V28
V22
C
1
4
C
1
7
X5
C
1
9
R
2
7
R
3
6
X10
X21
X22
5
X5
X2
X3
R
2
4
L1
C
9
C
1
0
L2
C
1
6
V10
C
2
,
C
3
V
6
,
V
2
V
1
,
V
1
1
V
3
,
V
4
,
V
5
V
7
,
V
8
,
V
9
T
0
0
1
T
2
X11/12
V
1
6
C
1
1
R9
X13
X12
X1
X4
R8
R13
R17
R14
C
4
,
C
5
X
1
1
/
7
Primary circuit connection,
Minarc 151.
4
6
Table of Contents
Table of Contents
2
Technical Technical Data
3
Principle
4
Main Main Circuit
4
Circuit
7
Troubleshooting Diagram
7
Diagrams
8
Diagram
9
Operational Tests / Measurings
10
Measurings
10
Main Transformer T001 Prim. Voltage
12
Main Transformer T001 Sec. Voltage
13
Voltage after Sec. Rectifier
14
Auxiliary Coil Voltage
15
Fan M001 Voltage
16
Pole Voltage in OCV
16
Measuring Points in the Flat Cable
17
Gate Control, Upper Igbts
18
Gate Control, Lower Igbts
19
Aux. Voltage in DC-Link
20
Signal Lamp H2 Control / VRD on
20
Main Circuit Card Z001 Connectors
21
Main Circuit Card Z001 Layout
22
Layout
23
Structure
24
IGBT-Transistor Testing
26
Testing
26
Notes
27
Other manuals for Kemppi MINARC 120
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Operation Instructions
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Operating Instructions
11 pages
4
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Kemppi MINARC 120 Specifications
General
Brand
Kemppi
Model
MINARC 120
Category
Welding System
Language
English
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