Keep terminal labels (A, B, C) consistent before and after transformation.
After calculation, we get:
This conversion is used when you need to replace a triangular loop with a central junction. star delta transformation problems and solutions pdf
RB=RAB⋅RBCRAB+RBC+RCAcap R sub cap B equals the fraction with numerator cap R sub cap A cap B end-sub center dot cap R sub cap B cap C end-sub and denominator cap R sub cap A cap B end-sub plus cap R sub cap B cap C end-sub plus cap R sub cap C cap A end-sub end-fraction Keep terminal labels (A, B, C) consistent before