As shown in Figure 9.21 (a), two three-phase buses (a b c) and (a^{prime} b^{prime} c^{prime}) are

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As shown in Figure 9.21 (a), two three-phase buses \(a b c\) and \(a^{\prime} b^{\prime} c^{\prime}\) are interconnected by short circuits between phases \(b\) and \(b^{\prime}\) and between \(c\) and \(c^{\prime}\), with an open circuit between phases \(a\) and \(a^{\prime}\). The fault conditions in the phase domain are \(I_{a}=I_{a^{\prime}}=0\) and \(V_{b b^{\prime}}=V_{c c^{\prime}}=0\). Determine the fault conditions in the sequence domain and verify the interconnection of the sequence networks as shown in Figure 9.15 for this oneconductor-open fault.

Figure 9.21

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Figure 9.15

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Power System Analysis And Design

ISBN: 9781305632134

6th Edition

Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

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