Three-Phase Circuits

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About this class



Learn about the components and operating principle of 3-phase generators, and using the formula for frequency, shows how rotor speed and the number of poles is related to frequency.





Prerequisites


The lesson requires a fundamental knowledge of electrical theory and technology.

Description


This is the ninth lesson in the iKNOW? Electrical Theory for Troubleshooters Library. This lesson defines 3-phase AC, describes the components and operating principle of 3-phase generators, and using the formula for frequency, shows how rotor speed and the number of poles is related to frequency.

Objectives


Define 3-phase AC.? Differentiate between 3-phase and 1-phase AC.? Describe the components and operating principle of a 3-phase generator.? Use a sine wave to show how 3-phase voltage changes over time.? Explain the relationship between frequency and rotor speed.? State and apply the formula for frequency.? Describe how rotor speed and the number of poles related to frequency.

Contents

This is the ninth lesson in the iKNOWâ„¢ Electrical Theory for
Troubleshooters Library. This lesson defines 3-phase AC, describes the
components and operating principle of 3-phase generators, and using the
formula for frequency, shows how rotor speed and the number of poles is
related to frequency.

  • Three-Phase Circuits

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