Star to Delta transformation and Delta to Star transformation are helpful in analyzing and solving the complicated electrical networks with ease and also in no time.
Star Connection: Star connection is a form which connects three branches of an electrical network to one common point. It is also called as Wye (Y) network or Tee (T) network referring to the pattern it forms.
Delta Connection: Delta connection is a form in which each terminal of a branch is connected to another branch. It forms a closed loop which can be Delta (Δ) network or Pie (π) network depending on the pattern.
Here, the formulae used in the delta to star transformation is derived in detailed steps.
Let Rab, Rca and Rbc are the resistances in delta network with terminal branches a, b and c. Let Ra, Rb and Rc are the resistances in star network with terminals a, b and c.
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