Homework Answers
Add Answer to:
a draw positive and negative and zero
B find fault current Ia Ib Ic
Question: 03...
The reactance data for the power system shown in figure 10.30 in per unit on a...
The reactance data for the power system shown in figure 10.30 in
per unit on a common base is as follows:
*************Remember calculations are needed at bus 2
****************
10.15. The reactance data for the power system shown in Figure 10.30 in per unit on a common base is as follows Item X1 G1 0.10 0.10 0.05 G2 0.10 0.10 0.05 T, 0.25 0.25 0.25 T 0.25 0.25 0.25 Line 1-2 0.30 0.30 0.50 Ti 1 3 2 FIGURE 10.30...
The zero-, positive-, and negative-sequence bus impedance matrices for a three bus power system are given...
The zero-, positive-, and negative-sequence bus impedance matrices for a three bus power system are given below 5. T0.10 0.15 0.121 Bu0.15 0.10 0.08 pu [0.16 0.10 0.15] Lo.15 0.14 0.30 0.12 0.08 0.35 ZBus ZBus0.10 0.20 0.14 pu Determine the per unit fault current and the bus voltages during fault for (a) A bolted three-phase fault at bus 2. (b) A bolted single line-to-ground fault at bus 2. (c) A bolted line-to-line fault at bus 2 (d) A bolted...
For the network shown below, the pu reactance data are equivalent sequence circuit and calculate the fault current in p...
For the network shown below, the pu reactance data are equivalent sequence circuit and calculate the fault current in per unit for a bolted single line- to-ground fault at bus 2. The pre-fault bus voltages are assumed to be 1 pu given in the table. Draw the Ti T2 1 2 3 G1 G2 5 X2 Item G1 0.10 0.10 0.05 0.05 G2 0.10 0.10 0.01 T1 0.01 0.01 0.01 T2 0.01 0.01 Line 2-3 0.10 0.10 0.20 Line 3-5...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which ...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which ...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV Note TX impedance TX leakage reactance...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV Note TX impedance TX leakage reactance TX zero sequence impedance-TX positive Data 3 phase fault MVA Bus A 1152 MVA Single P-G level Bus A 8k T1 = T2 = 50MVA X1 0.006 RAk TX1 X2 0.0055 Rik TX2 Earthing resistance-R1-R2-2 ohm z+ sequence reactance 55j) ohm for both sequence impedance Source negative impedance -positive sequence impedance Source zero sequence impedance- purely...
The one-line diagram of a simple power system is shown in Figure 1. The neutral of...
The one-line diagram of a simple power system is shown in Figure 1. The neutral of each generator is grounded through a current-limiting reactor of 0.25/3 per unit on a 100-MVA base. The system data expressed in per unit on a common 100-MVA base is tabulated below. The generators are running on no-load at their rated voltage and rated frequency with their emfs in phase. Determine the fault current for the following faults giving Zo = 0.35, Z = 0.22...
The positive, negative and zero sequence bus impedance and admittance matrices of a system are given as follows:
The positive, negative and zero sequence bus impedance and admittance matrices of a system are given as follows:\(Z^{+}=Z^{-}=j\left[\begin{array}{ccc}0.14 & 0.11 & 0.125 \\ 0.11 & 0.14 & 0.125 \\ 0.125 & 0.125 & 0.175\end{array}\right] \quad Y^{+}=Y^{-}=j\left[\begin{array}{ccc}-24 & 10 & 10 \\ 10 & -24 & 10 \\ 10 & 10 & -20\end{array}\right]\)\(Z^{0}=j\left[\begin{array}{ccc}0.10 & 0.10 & 0.10 \\ 0.10 & 0.30 & 0.20 \\ 0.10 & 0.20 & 0.30\end{array}\right] \quad Y^{0}=j\left[\begin{array}{ccc}-16.66 & 3.33 & 3.33 \\ 3.33 & -6.66 & 3.33...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96) X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
2. A single-line diagram of the power system considered is shown in Figure P2a, where negative-...
2. A single-line diagram of the power system considered is shown in Figure P2a, where negative- and zero-sequence reactances are also given. The neutrals of the generator and A-Y transformers are solidly grounded. The motor neutral is grounded through a reactance Xn = 0.05 per unit on the motor base. The per-unit zero-, positive and negative-sequence networks on a 100-MVA is shown in Figure P26, 13.8-kV base in the zone of the generator. a. Reduce the sequence networks to their...
The reactance data for the power system shown in figure 10.30 in
per unit on a common base is as follows:
*************Remember calculations are needed at bus 2
****************
10.15. The reactance data for the power system shown in Figure 10.30 in per unit on a common base is as follows Item X1 G1 0.10 0.10 0.05 G2 0.10 0.10 0.05 T, 0.25 0.25 0.25 T 0.25 0.25 0.25 Line 1-2 0.30 0.30 0.50 Ti 1 3 2 FIGURE 10.30...
The zero-, positive-, and negative-sequence bus impedance matrices for a three bus power system are given below 5. T0.10 0.15 0.121 Bu0.15 0.10 0.08 pu [0.16 0.10 0.15] Lo.15 0.14 0.30 0.12 0.08 0.35 ZBus ZBus0.10 0.20 0.14 pu Determine the per unit fault current and the bus voltages during fault for (a) A bolted three-phase fault at bus 2. (b) A bolted single line-to-ground fault at bus 2. (c) A bolted line-to-line fault at bus 2 (d) A bolted...
For the network shown below, the pu reactance data are equivalent sequence circuit and calculate the fault current in per unit for a bolted single line- to-ground fault at bus 2. The pre-fault bus voltages are assumed to be 1 pu given in the table. Draw the Ti T2 1 2 3 G1 G2 5 X2 Item G1 0.10 0.10 0.05 0.05 G2 0.10 0.10 0.01 T1 0.01 0.01 0.01 T2 0.01 0.01 Line 2-3 0.10 0.10 0.20 Line 3-5...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV Note TX impedance TX leakage reactance TX zero sequence impedance-TX positive Data 3 phase fault MVA Bus A 1152 MVA Single P-G level Bus A 8k T1 = T2 = 50MVA X1 0.006 RAk TX1 X2 0.0055 Rik TX2 Earthing resistance-R1-R2-2 ohm z+ sequence reactance 55j) ohm for both sequence impedance Source negative impedance -positive sequence impedance Source zero sequence impedance- purely...
The one-line diagram of a simple power system is shown in Figure 1. The neutral of each generator is grounded through a current-limiting reactor of 0.25/3 per unit on a 100-MVA base. The system data expressed in per unit on a common 100-MVA base is tabulated below. The generators are running on no-load at their rated voltage and rated frequency with their emfs in phase. Determine the fault current for the following faults giving Zo = 0.35, Z = 0.22...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96) X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
2. A single-line diagram of the power system considered is shown in Figure P2a, where negative- and zero-sequence reactances are also given. The neutrals of the generator and A-Y transformers are solidly grounded. The motor neutral is grounded through a reactance Xn = 0.05 per unit on the motor base. The per-unit zero-, positive and negative-sequence networks on a 100-MVA is shown in Figure P26, 13.8-kV base in the zone of the generator. a. Reduce the sequence networks to their...
Most questions answered within 3 hours.
-
Consider a 4.21-meter-long solenoid with 9130.0 turns of wire
carrying a current 2.61 A. Running right...
asked 21 minutes ago -
Let X denote the amount of space occupied by an article
placed in a 1-ft3 packing...
asked 23 minutes ago -
Harold the Historian and Eddie the Economist are trapped on a
different deserted island without any...
asked 25 minutes ago -
A 1500-kg vehicle travels at a constant speed of 22 m/s around a
circular track that...
asked 37 minutes ago -
Suppose the firm's production function is Q =
K1/3L2/3.
a. If the rental rate of capital...
asked 35 minutes ago -
Can somebody make this program in C or C++ for me please? I have
2 hours...
asked 40 minutes ago -
Write the full electron configuration of the period 2 element
with the following successive IEs (in...
asked 42 minutes ago -
Calculate the value of ea by constructing an appropriate
graph:
Temp
k(M^-1s^-1)
15
0.0521
25
0.101...
asked 47 minutes ago -
What is the World Trade Organization (WTO? When was the WTO
created and how is it...
asked 46 minutes ago -
Question 5
Consider the video demonstration that you just watched. A more
complete explanation of what...
asked 45 minutes ago -
A person pulls on a container on a horizontal frictionless
surface with a force of 110...
asked 1 hour ago -
Write a function makePoly(x,y,n,l) that receives a coordinate
point (x,y), an integer n representing the desired...
asked 55 minutes ago