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Arc Welding Power Sources 260

Welding Training

Class Information

Tooling U classes are offered at the beginner, intermediate, and advanced levels. The typical class consists of 12 to 25 lessons and typically requires at least two hours of instruction time.

Class Name:	Arc Welding Power Sources 260
Description:	This class describes different types of arc welding power sources and explains how each power source produces welding power.
Prerequisites:	650115 650120 650140
Difficulty:	Intermediate
Number of Lessons:	19

Class Outline
Objectives What Are Power Sources? Classification of Power Sources Constant Current Power Sources Constant Voltage Power Sources AC Power Sources Alternators Transformers Reactors Types of Reactors Silicon-Controlled Rectifiers DC Power Sources Generators Rectifiers Inverters Power Factor Energy Efficiency Electrical Safety Summary

Class Objectives

Define power source.
Describe how welding power sources are classified.
Describe characteristics of constant current power sources.
Describe characteristics of constant voltage power sources.
Describe common uses for AC.
Describe how an alternator works.
List the components of a transformer.
Describe how a reactor works.
List types of reactors.
Describe how a silicon-controlled rectifier works.
Describe common uses for DC.
Describe how a generator works.
Describe how a rectifier works.
Describe how an inverter works.
Explain the importance of power factor.
Explain the importance of energy efficiency.
Describe the electrical risks associated with power sources.

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