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E-4

E-4

OPERATION

FIGURE E.4 – WELD WINDING, OUTPUT RECTIFIER AND CHOKE

 

CHOKE

 

POSITIVE

 

OUTPUT

OUTPUT

TERMINAL

 

RECTIFIER

 

BRIDGE

 

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STATOR

ENGINE

MECHANICAL

 

 

 

 

ROTATION

 

 

 

 

 

ROTOR

ROTOR

 

 

SLIP

 

 

 

RINGS

 

MAGNETO

 

 

 

 

 

 

CAPACITORS

 

STATOR

IDLER

 

 

 

 

SOLENOID

 

 

 

 

IDLER

+

 

 

P.C. BOARD

 

 

115 AND 230 VAC

RHEOSTAT

 

RECEPTACLES

 

 

 

 

 

 

 

FIELD

 

 

 

 

RECTIFIER

 

 

 

 

BRIDGE

 

 

 

IDLE

HOUR

 

 

 

SWITCH

 

 

 

 

METER

 

NEGATIVE

OUTPUT TERMINAL

CURRENT

TRANSFORMER

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WELD WINDING, OUTPUT

RECTIFIER AND CHOKE

The AC voltage developed in the stator weld winding is delivered through the current transformer to the out- put rectifier bridge, where the AC voltage is rectified to a DC voltage. The DC current path from the output of the rectifier bridge is through the choke, where the DC is filtered, to the negative and positive output termi- nals.

The WELDANPOWER 125 provides 125 amps of con- stant current DC welding for stick electrodes.

NOTE: Unshaded areas of Block Logic Diagram are the subject of discussion.

WELDANPOWER 125

Page 38
Image 38
Lincoln Electric SVM 113-A service manual Figure E.4 Weld WINDING, Output Rectifier and Choke