Lincoln Electric SVM150-A Manual Do Utilizador
Section E-1
Section E-1
RANGER 250
Theory of Operation .............................................................................................................Section E
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
FIGURE E.1 – RANGER 250 BLOCK LOGIC DIAGRAM
ENGINE
CONTROL
BOARD
ROTOR
STATOR
BATTERY
BOARD
BATTERY
CHOKE
IGBT
MECHANICAL
ROTATION
STARTER
I
D
L
E
R
ARC
CONTROL
OUTPUT
CONTROL
MODE
SELECTOR
POWER MODULE
THREE-PHASE
RECTIFIER
WORK
TERMINAL
ELECTRODE
TERMINAL
+
120VAC
RECEPTACLE
240VAC
RECEPTACLE
SLIP
RINGS
TO
CONTROL
BOARD
GAS
OIL
PRESSURE
SWITCH
RUN/STOP
SWITCH
SWITCH
FLYWHEEL
ALTERNATOR
TO CONTROL
BOARD
AMPHENOL
4
2
2
V
A
C
A
C
FIELD
WINDING
AUXILIARY
WINDINGS
WIRE FEED
PWR WNDG
4
2
2
V
A
C
A
C
2
4
0
4
0
V
A
C
A
C
1
2
0
2
0
V
A
C
A
C
W
E
L
D
W
I
N
D
I
N
G
+
ANALOG
POWER
BOARD
2
0
0
V
D
C
D
C
4
0
0
TO
1
0
0
0
0
V
D
C
D
C
FROM
TOROID
CURRENT
SENSOR
TOROID
CURRENT
SENSOR
SHUNT
F
E
E
D
B
A
C
K
E
E
D
B
A
C
K
SOL
__
__
REGULATED VOLTAGES
P
W
M
W
M
S
I
G
N
A
L
S
I
G
N
A
L
S