## Saturday, January 30, 2021

Basic electrical & electronics engineering- 3 phase circuits

Three Phase Circuits

Chapter Objectives:

• Be familiar with different three-phase configurations and how to
• analyze them.
•  Know the difference between balanced and unbalanced circuits
• Learn about power in a balanced three-phase system
•  Know how to analyze unbalanced three-phase systems
•  Be able to use PSpice to analyze three-phase circuits
•  Apply what is learnt to three-phase measurement and residential
• wiring

Three phase Circuits

•  An AC generator designed to develop a single sinusoidal voltage for each rotation
• of the shaft (rotor) is referred to as a single-phase AC generator.
•  If the number of coils on the rotor is increased in a specified manner, the result is
• a Polyphase AC generator, which develops more than one AC phase voltage per
• rotation of the rotor
•  In general, three-phase systems are preferred over single-phase systems for the
• transmission of power for many reasons.

Basic electrical & electronics engineering- 3 phase circuits

Three Phase Circuits

Chapter Objectives:

• Be familiar with different three-phase configurations and how to
• analyze them.
•  Know the difference between balanced and unbalanced circuits
• Learn about power in a balanced three-phase system
•  Know how to analyze unbalanced three-phase systems
•  Be able to use PSpice to analyze three-phase circuits
•  Apply what is learnt to three-phase measurement and residential
• wiring

Three phase Circuits

•  An AC generator designed to develop a single sinusoidal voltage for each rotation
• of the shaft (rotor) is referred to as a single-phase AC generator.
•  If the number of coils on the rotor is increased in a specified manner, the result is
• a Polyphase AC generator, which develops more than one AC phase voltage per
• rotation of the rotor
•  In general, three-phase systems are preferred over single-phase systems for the
• transmission of power for many reasons.