Determine the symmetrical interrupting capability

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Reference no: EM131141937

A single-line diagram of a four-bus system is shown in Figure 7.20, for which ZBUS is given below:

Let a three-phase fault occur at bus 2 of the network.

(a) Calculate the initial symmetrical RMS current in the fault.

(b) Determine the voltages during the fault at buses 1, 3, and 4.

(d) Find the current flow in the line from bus 3 to bus 1. Assume the prefault voltage Vf at bus 2 to be , and neglect all prefault currents.

Reference no: EM131141937

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