44020⁰ 4402120° n a 440Z-120° Ib 6-j8 Ω 6-j8Q2 N (6-j8 Ω Ic 1. Calculate the line currents for phases a, b, and c. 2. Calculate the line to neutral voltages at the load for phases a, b, and c. 3. Calculate the three-phase complex power, apparent, real, reactive powers, and the power factor.

For the system as shown in the following figure, convert the components to same base voltage and apparent power, by choosing 100 kVA as the base kVA and 2000 V as the base voltage for the generators. Redraw the single line diagram with the new per unit values. 15 KVA 2000 V Z=j0.3 pu 25 KVA 2000 V Z=j0.15 pu G1 G2 35 KVA 2000/8000 V Z=j0.2 pu Z=30+j100 Z=60+j120 pu O pu leee 35 KVA 8000/2000 V Z=j0.3 pu 35 kVA 2000/8000 V Z=j0.25 pu G3 10 KVA 2000V Z=j0.35 pu M 30 KVA 2000 V

A three-phase alternator generating unbalanced voltages is connected to an unbalanced load through a 3-phase transmission line as shown in figure. The neutral of the alternator and the star point of the load are solidly grounded. The phase voltages of the alternator are Ea = 1020º, Eb = 102-90°, Ec = 10/120⁰ E E E The positive sequence component of the load current is (A) 1.3102-107⁰ A (B) 0.3322-120° A (C) 0.9962-120º A (D) 3.5104-81⁰ A +) + j1.002 0000 j1.002 0000 j1.0Ω vovo j1.0Ω 0000 j2.002 voor j3.002 oooo

O e. None of these Clear my choice The three phase power and line-line ratings of the below electric power system is given below: Vm ut of M G: 50 MVA 11 KV X= 4% T: 50 MVA 11/20 KV X= 4% M: 43.2 MVA 18 KV X= 4% By choosing 100 MVA and 11 KV on the generator side as base values, the new per unit impedance of the generator is and the new perunit impedance of the motor is 4 A three-phase, 60-Hz lossless transmission line is 350 Km long. The line has a phase constant B of 0.001266825 rad/Km and a su impedance Z of 326.09 N. What is the total receiving end reactive power Qr when the sending end voltage is 230 KV and the re voltage is 219 KV and the power angle & is 15 degrees? out of