Lincoln Electric SVM208-A Portable Generator User Manual


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TABLE OF CONTENTS-THEORY OF OPERATION SECTION
E-1 E-1
BULLDOG® 140
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-1
Engine, Excitation, Rotor And Stator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-2
Rotor Field Feedback And Auxiliary Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-3
Weld Winding And Reactor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4
Auxiliary Power Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4
FIGURE E.1 BLOCK LOGIC DIAGRAM
ENGINE
STATOR
STATOR
ROTOR
REACTOR
BRIDGE
CAPACITOR
RHEOSTAT
115 AND 230VAC
RECEPTACLES
OUTPUT
TERMINALS
ROTATION
MECHANICAL
SLIP
RINGS
ROTOR
MAGNETO
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