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Fundamentals of 3-Phase Electricity | What Is 3-Phase Power? -- Part 1

In AC electrical systems, 3-phase power is commonly used, due to the increased power density, efficiency, and operational flexibility compared with single-phase systems. Understanding how 3-phase electricity behaves in balanced and unbalanced systems is fundamentally important for AC electrical systems analysis, operation, and control.

You will learn:
- How 3-phase electricity is traditionally generated
- How 3-phase electricity can be described using vector representations
- The difference between balanced and unbalanced systems
- How balanced systems deliver constant, instantaneous 3-phase power
- How balanced and unbalanced systems affect neutral current

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