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Problem #2: (40 points) The three-phase power and line- given below line ratings of the electric ...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T1 T2 V. 1 2 vm 9 Line G M Figure 2 One-line diagram for problem 2 G: T1: 60 MVA 50 MVA 50 MVA T2: Line: M: 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j200 12 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below T2 2 Line Vm G M 1 BA Figure 2 One-line diagram for problem 2 G: Ti: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose 20 kV as...
2 - The three-phase power and line-line ratings of the electric power system shown in Figure...
2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. Ti T2 VA Line 2 G M Vm BE BE Figure 2 One-line diagram for problem 2 G: T: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base....
Please answer the following question, box your answers, and show all work!! Thank you. 2 -...
Please answer the following question, box your answers, and show
all work!! Thank you.
2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T T2 V Line 2 Vm G M Figure 2 One-line diagram for problem 2 60 MVA 20 kV 50 MVA 20/200 kV 50 MVA 200/20 kV 200 kV 43.2 MVA 18 kV TI: T: Line: M: X=9% X=10% X=10% Z=120+j2002 X=8% a) Draw an impedance...
INTRODUCTION TO POWER SYSTEM
1. The one-line diagram of a three-pha se power system is shown in Figure 3.29. Select a common base of 100 MVA and 15 kV on the motor side. Draw an impedance diagram with all impedances including the load impedance marked in per-unit. The manufacturer's data for each device is given as follow:The three-phase load at bus 4 absorbs 57 MVA, 0.6 power factor lagging at 10.45 kV. Line 1 and line 2 have reactances of 48.4 Ω and 65.43...
PROBLEM 5 (20 pts]: Draw an impedance diagram for the electric power system given in the...
PROBLEM 5 (20 pts]: Draw an impedance diagram for the electric power system given in the Figure 4 showing all impedances in per unit on a 100MVA base. Choose 20/200 kV as the voltage base. If there is a three-phase to ground solid fault at the load bus, what will be fault current taken from generator 1. The three-phase power and line-line ratings are given below. Gl: 90 MVA, 20 kV, X = 9%; TR1: 80 MVA, 20/200 kV, X...
Draw an impedance diagram for thr electric power system shown below showing all the impedances in...
Draw an impedance diagram for thr electric power system shown below showing all the impedances in per unit on a 100 MVA base. Choose 20 kV, as the voltage base for generator. The three-phase power and line ratings are given below. Calculate the short circuit current at bus No. 2.
QUESTION 5 a) Define the Per Unit system and list three (3) main reasons of using Per Unit system...
Per unit calculation
QUESTION 5 a) Define the Per Unit system and list three (3) main reasons of using Per Unit systemm. (5 marks) b) A three-bus power with two generator system is shown in figure Q2 (b). The 3-phase power and line-line voltage ratings are given below Ti T2 J40 2 Gi G2 j25 Ω 25 Ω Ty Figure Q2 (b) GI: 750 MVA, 18 kV, X 7% G2: 750 MVA, 18 kV, X-15% Motor: 1500 MVA, 20 kV,...
3) The single-line diagram of a three-phase power system is shown in Fig. 1. Equipment ratings...
3) The single-line diagram of a three-phase power system is shown in Fig. 1. Equipment ratings are given as follows: G1 1,000 MVA, 15.0 kV, 20.18, o 0.07 pu G2 : 1,000 MVA. 15.0 kV, 攻=エ1 =エ2 = 0.20, ro = 0.10 pu G3 : 500 MVA, 13.8 kV. 1" = 띠 z2 = 0.15, zo 0.05 pu G4 : 750 MVA, 13.8 kV. ェd =ェ1 = 0.30, T2 = 0.40 ro = 0.10 pu Ti : 1,000 MVA. 15.0Δ/765Y...
Fig Qshows the one-line diagram of a three-phase power system. As shown in Fig. Q3. the...
Fig Qshows the one-line diagram of a three-phase power system.
As shown in Fig. Q3. the two zones are connected by a 400 MVA,
240-kV/24-kV, Ý-A three phase transformer. The Y-A three phase
transfonmer has an equivalent series impedance of ZTH - 1.2 + j1.6n
per phase referred to the high voltage side (primary side). The
three-phase power system can be studied with per unit quantities
using base values of S-500 MVA and 240 kV in zone 1.
By using...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T1 T2 V. 1 2 vm 9 Line G M Figure 2 One-line diagram for problem 2 G: T1: 60 MVA 50 MVA 50 MVA T2: Line: M: 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j200 12 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below T2 2 Line Vm G M 1 BA Figure 2 One-line diagram for problem 2 G: Ti: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose 20 kV as...
2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. Ti T2 VA Line 2 G M Vm BE BE Figure 2 One-line diagram for problem 2 G: T: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base....
Please answer the following question, box your answers, and show
all work!! Thank you.
2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T T2 V Line 2 Vm G M Figure 2 One-line diagram for problem 2 60 MVA 20 kV 50 MVA 20/200 kV 50 MVA 200/20 kV 200 kV 43.2 MVA 18 kV TI: T: Line: M: X=9% X=10% X=10% Z=120+j2002 X=8% a) Draw an impedance...
PROBLEM 5 (20 pts]: Draw an impedance diagram for the electric power system given in the Figure 4 showing all impedances in per unit on a 100MVA base. Choose 20/200 kV as the voltage base. If there is a three-phase to ground solid fault at the load bus, what will be fault current taken from generator 1. The three-phase power and line-line ratings are given below. Gl: 90 MVA, 20 kV, X = 9%; TR1: 80 MVA, 20/200 kV, X...
Draw an impedance diagram for thr electric power system shown below showing all the impedances in per unit on a 100 MVA base. Choose 20 kV, as the voltage base for generator. The three-phase power and line ratings are given below. Calculate the short circuit current at bus No. 2.
Per unit calculation
QUESTION 5 a) Define the Per Unit system and list three (3) main reasons of using Per Unit systemm. (5 marks) b) A three-bus power with two generator system is shown in figure Q2 (b). The 3-phase power and line-line voltage ratings are given below Ti T2 J40 2 Gi G2 j25 Ω 25 Ω Ty Figure Q2 (b) GI: 750 MVA, 18 kV, X 7% G2: 750 MVA, 18 kV, X-15% Motor: 1500 MVA, 20 kV,...
3) The single-line diagram of a three-phase power system is shown in Fig. 1. Equipment ratings are given as follows: G1 1,000 MVA, 15.0 kV, 20.18, o 0.07 pu G2 : 1,000 MVA. 15.0 kV, 攻=エ1 =エ2 = 0.20, ro = 0.10 pu G3 : 500 MVA, 13.8 kV. 1" = 띠 z2 = 0.15, zo 0.05 pu G4 : 750 MVA, 13.8 kV. ェd =ェ1 = 0.30, T2 = 0.40 ro = 0.10 pu Ti : 1,000 MVA. 15.0Δ/765Y...
Fig Qshows the one-line diagram of a three-phase power system.
As shown in Fig. Q3. the two zones are connected by a 400 MVA,
240-kV/24-kV, Ý-A three phase transformer. The Y-A three phase
transfonmer has an equivalent series impedance of ZTH - 1.2 + j1.6n
per phase referred to the high voltage side (primary side). The
three-phase power system can be studied with per unit quantities
using base values of S-500 MVA and 240 kV in zone 1.
By using...
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