Consider the microgrid given in Fig. The impedances of the transmission line are given in Fig. The system data are: PV g

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Consider The Microgrid Given In Fig The Impedances Of The Transmission Line Are Given In Fig The System Data Are Pv G 1 (104.93 KiB) Viewed 31 times

Consider the microgrid given in Fig. The impedances of the transmission line are given in Fig. The system data are: PV generating station: 2.5 MW, 440 V DC, 7% reactance Gas turbine generating station: 10 MVA, 3.2 kV, 10% reactance Transformer T1:08 MVA, 440 V/11 kV, 6.5% reactance Transformer T 2:22 MVA, 11 kV/69 kV, 8.5% reactance Transformer T 3:22 MVA, 11 kV/3.2 kV, 7.5% reactance Load S 4:5 MW at 0.8 lagging power factor Load S5:10 MW at 0.85 lagging power factor Load S 6:12 MVA at 0.9 leading power factor Load S 7:7 MVA at 0.8 lagging power factor Assume the local power internal reactance is equal to 10.5 and negligible internal resistance. Assume the base KVA as 2500 and impedance as 0.8-ohm Develop the following: i) Per unit impedance model for power flow studies ii) Per unit impedance model for short-circuit studies [5] 3 Ti 4 6 7 T2 1 1 +j10 PV j20 Station DCIACH C.B. C.B. C.B. C.B. لیلیا 36 ویلیا AC PV Bus AY S4 0.5 +js Local Utility 0.3 +j6 2. Gas Turbine