Question: Open PowerWorld Simulator case, which models the Example 6.9 with transient stability data added for the generators. Determine the critical clearing time (to the nearest

Open PowerWorld Simulator case, which models the Example 6.9 with transient stability data added for the generators. Determine the critical clearing time (to the nearest 0.01 second) for a fault on the line between buses 2 and 5 at the bus 5 end which is cleared by opening the line.

Data From Example 6.9:-

Figure 6.2 shows a single-line diagram of a five-bus power system. Input

data are given in Tables 6.1, 6.2, and 6.3. As shown inData From Table 6.1 and 6.2 and 6.3:-

Table 6.1, bus 1, to which a generator is connected, is the


Figure 6.2 shows a single-line diagram of a five-bus power system. Input data are given in Tables 6.1, 6.2, and 6.3. As shown in Table 6.1, bus 1, to which a generator is connected, is the swing bus. Bus 3, to which a generator and a load are connected, is a voltage-controlled bus. Buses 2, 4, and 5 are load buses. Note that the loads at buses 2 and 3 are inductive since Q = -QL2 -2.8 and -QL3 = -0.4 are negative. = For each bus k, determine which of the variables Vk, Sk, Pk, and Qk are input data and which are unknowns. Also, compute the elements of the sec- ond row of Ybus

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