9Three-Phase Systems
OBJECTIVES: After studying this chapter, you will be able to
- Explain the difference and the similarity between single-phase and three-phase systems
- Explain the advantages of three-phase systems
- Understand why three-phase systems are more common in industry
- Extend the relationships in single-phase AC electricity to three-phase systems
- Understand delta and wye connections in three-phase electricity
- Describe the relationships and differences between wye and delta connections
- Make a distinction between balanced and unbalanced loads
- Calculate power and power factor in three-phase electricity
- Apply power factor correction for three-phase electricity
New terms: Balanced load, delta connection, Δ connection, inrush current, ...
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