Lincoln Electric SVM168-B Output BRIDGE, Choke Polarity SWITCH, and Output Terminals

Models: SVM168-B

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E-5

 

THEORY OF OPERATION

 

 

E-5

 

FIGURE E.5 – OUTPUT BRIDGE, CHOKE, POLARITY SWITCH, AND OUTPUT TERMINALS

 

 

 

 

RANGE

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

AC

CHOKE

POLARITY

ELECTRODE

 

 

REACTOR

CV

OUTPUT

TERMINAL

 

 

AC BRIDGE

 

SWITCH

 

 

 

 

TAP

 

 

 

 

 

 

 

STATOR

 

 

 

WORK

 

MECHANICAL

 

 

 

TERMINAL

 

 

 

 

 

 

 

ROTAT ION

ROTOR

 

 

 

 

 

STARTER

ENGINE

ROTOR

 

 

 

 

SLIP

 

 

 

 

 

FLYWHEEL

RINGS

 

 

 

 

 

 

ALTERNATOR

 

STATOR

 

 

 

 

 

IDLER

 

 

 

 

 

 

SOLENOID

 

 

 

 

 

 

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BATTERY

FIELD

 

CAPACITOR

 

OUTPUT

 

CONTROL

 

PRINTED CIRCUIT

 

BOARD

115 & 230VAC

RECEPTACLES

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OUTPUT BRIDGE, CHOKE,

POLARITY SWITCH, AND OUTPUT

TERMINALS

The AC voltage developed in the stator weld winding is delivered, through the reactor and range switch, to the output bridge and polarity switch. Depending upon the setting of the polarity switch, either AC volt- age or DC voltage is delivered to the output terminals. If AC output is selected, then the current path is from the stator weld winding through the reactor, range switch and polarity switch to the output terminals. If a DC output is called for then the current path is through the Output Bridge, where the AC voltage is rectified to a DC voltage, and then to the choke, where the DC output is filtered. The filtered DC current path is through the Polarity Switch and on to the Output Terminals.

RANGER® 10,000 & RANGER® 10,000 PLUS

Page 39
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Lincoln Electric SVM168-B service manual Output BRIDGE, Choke Polarity SWITCH, and Output Terminals