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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Using the Ybus moditicationp rocedure described in Sec. 7.4, remove branch
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Problem 7.9
Suppose that mutual coupling exists pairwise between branches ![]()
by the dots in that figure. The mutual impedance between the former pair of branches is j0.15 per unit (the same as in Prob. 7.4) and between the latter pair is j0.1 per u nit. Use the procedure of Sec. 7.2 to find Y bus for the overall circuit including the three mutually coupled branches.
Prob. 7.4
Consider that only the two branches
in the circuit of Fig. 7. 18 are mutually coupled as indicated by the dots beside them and that their mutual impedance is j0.15 per unit (that is, ignore the dot on branch
Determine the circuit Y bus by the procedure described in Sec. 7.2.

Prob. 7.5
Solve Prob. 7.4 using Eq. (7.37). Determine the branch-to-node incidence matrix A from the linear graph of Fig. 7.19 with node
 as reference.

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