January 2013
Intermediate to advanced
598 pages
22h 47m
English
Content preview from Electrical Technology, Volume 1
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25
Delta ⇌ Wye Transformations
OBJECTIVES
In this chapter you will learn about:
- Appreciate the concept behind delta and Y connections
- How to convert from Δ to Y
- How to convert from Y to Δ
- How to solve simple problem using these conversions
- Simplify complicated networks by using these conversions
Delta ⇌ Wye Transformations
25.1 INTRODUCTION
Three impedances connected nose-to-tail, as shown in Figure 25.1, are said to be delta (Δ) or mesh connected, because they form a mesh.
Three impedances connected together to a common point, as shown in Figure 25.2, are said to be star (or Y) connected.
If their nodes (1, 2 and 3)—to which the two ...
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