QUESTION 2 (CO1,PO2,C4) Determine the required MVA rating of the circuit breaker CB for the system shown in the Fig Q2.

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Question 2 Co1 Po2 C4 Determine The Required Mva Rating Of The Circuit Breaker Cb For The System Shown In The Fig Q2 1 (31.31 KiB) Viewed 67 times

QUESTION 2 (CO1,PO2,C4) Determine the required MVA rating of the circuit breaker CB for the system shown in the Fig Q2. Load is connected through pair of feeder and transformer. The impedance of the each feeder is 9+j 18 2. The Transformer rating is three phase 6 MVA 33/11 kV with impedance of 0.01 +j0.08 2 p.u. The load connected is three phase, 11 kV, 5.8 MVA, 0.8 lagging, j0.2 p.u. Choose 6 MVA as base. [15 Marks] Feeder 1 Infinite hus Feeder 2 -CO Fig. Q2 CB LOAD