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THEORY OF OPERATION
FIGURE E.4 – WELD WINDING, REACTOR, AND RANGE SWITCH
RANGE
SWITCH
| AC |
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| ELECTRODE |
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| |
| OUTPUT | CHOKE | POLARITY | TERMINAL |
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| |||
REACTOR | AC BRIDGE |
| SWITCH |
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| WORK |
STATOR | TERMINAL |
MECHANICAL
ROTATION
ROTOR
STARTER ENGINESLIPROTOR
RINGS
Section
to Master
FLYWHEEL
ALTERNATOR
IDLER
STATOR
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SOLENOID
PRINTED
CIRCUT
BOARD
BATTERY
FIELD
CAPACITOR
115 & 230VAC
RECEPTACLES
OUTPUT
CONTROL
FIELD
BRIDGE
WELD WINDING, REACTOR, AND
RANGE SWITCH
The stator weld winding is connected to the reactor and range switch. The inductance in the reactor offers an impedance to current flow. The reactor coil is tapped at various points. As the range switch is ro- tated, different amounts of reactor coil are brought into the current path. As more turns of reactor are brought into the circuit, the more impedance there is to current flow. Simply stated, the more reactor in the circuit, the lower the welding current.
If a constant voltage is desired for wire feeding, then the reactor is bypassed and the range switch is con- nected to a tap on the stator weld winding to provide a lower but “stiffer” output voltage.
NOTE: Unshaded areas of Block Logic Diagram are the subject of discussion.
