E-1

THEORY OF OPERATION

E-1

 

 

 

TOC

 

TABLE OF CONTENTS

 

Master

 

 

 

-THEORY OF OPERATION SECTION-

 

 

 

 

 

 

THEORY OF OPERATION SECTION

Section E

to

 

General Description

E-2

 

Input Line Voltage, Contactor, and Main Transformer

E-2

Return

 

 

Output Rectification, Control, and Feedback

E-3

 

Protection Devices and Circuits (Contactor Hold-In)

E-4

 

 

SCR Operation

E-5

Return to Master TOC

Return to Master TOC

FIGURE E.1 Block Logic Diagram

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IDEALARC DC-1000

Page 35
Image 35
Lincoln Electric SVM123-A service manual Theory of Operation