note: Please write with clear handwriting and show clearly the steps, and please solve it same as the book approach
Book: power system analyses and design 6th edition by sarma
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note: Please write with clear handwriting and show clearly the
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Please show all steps clearly, thanks! Generator 13800V 12MVA Wye grounded Xd" = 0.17, Xd'=0:30, and...
Please show all steps clearly, thanks!
Generator 13800V 12MVA Wye grounded Xd" = 0.17, Xd'=0:30, and Xd = 1 pu, and Td"=.05, Td'=1 TA=0.1 13800-20kV 12MVA A A Z=j 0.06pu Use a base of 13.8 kV, 12 MVA in generator circuit A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault 3 cycles after fault inception. Determine (a) the subtransient current...
Problem 2 (50 points): The synchronous generator shown in the figure below is operated at its rat...
Problem 2 (50 points): The synchronous generator shown in the figure below is operated at its rated apparent power (100 MVA), 0.95 pf. lagging, and 5% above rated voltage. Determine the subtransient fault current if a three phase short circuit fault occurs at the terminal of the motor (Bus 2) T1 2 100 MVA 100 MVA 13.8 kV 13.8 kV Δ/138 kVY X" = 0.15 X = 0.10 100 MVA 138 kV Y/13.8 kV Δ X0.10 100 MVA 13.8 kV...
2. A three-phase short circuit occurs at the bus 1 for the system shown in figure...
2. A three-phase short circuit occurs at the bus 1 for the system shown in figure below. Neglecting prefault currents and assuming that the generator is operating at its rated voltage, determine the subtransient fault current using superposition. bus 1 bus 2 j6522 ww m AY 25 MVA 13.8 kV 15% 25 MVA 13.2/69 KV 11% 25 MVA 69/13.2 kV 11% 15 MVA 13 kV 15%
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown...
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown in Figure P1. Parameters of both generator and transformer are given in the figure. Transformer losses and exciting current are neglected. A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault three cycles after fault inception. Neglect the effect of the transformer on the time...
please solve E and F only 2. (40 points) As shown in Figure 1, a synchronous...
please solve E and F only
2. (40 points) As shown in Figure 1, a synchronous generator and motor are rated 100 MVA, 13.8 kV. X 0.2 per unit, X 0.15 p t, and X 0.305 per unit. The synchronous generator is operating at 100 MVA, 0.95 p.f lagging and at 1.05 per unit voltage when a three-phase short circuit occurs at bus 2 Please use the direct method to calculate the per-unit values of (a) subtransient generator current (g)....
Zone 1 Zone 3 Zone 2 Xice j1002 BE SO MW 0.8 pf lagging Vload =...
Zone 1 Zone 3 Zone 2 Xice j1002 BE SO MW 0.8 pf lagging Vload = 30 kV Ti 50 MVA 11/132 kV X= 10% Tz 50 MVA 132/33 kV X=12% Figure 1 2. A 500 MVA, 20 kV, 50 Hz synchronous generator with reactances Xd" = 0.15, Xá = 0.24, Xo = 1.1 p.u. and time constant To = 0.035, Tó' = 2.0, TA = 0.2 seconds is connected to a circuit breaker. The generator is operating at 5%...
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...
solve no: 3.14 , 3.16, 3.19 please show each step and solve for beginners 120 Power...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
Problem 2 (50 points): The generator in the figure generates and delivers 150 MW to the...
Problem 2 (50 points): The generator in the figure generates and delivers 150 MW to the power system below. At steady state the generator regulates the generating station voltage (bus 1) to pu. The system voltage at bus 3 is 1.05 pu. 1. Compute the internal voltage and rotor angle of the generator under the above conditions. 2. The fault sequence for a solid three-phase fault on any of the line circuits consists of a delayed tripping of both circuit...
A single line diagram of a power system is shown in Fig. 2. The system data with equipment ratings and assumed sequence reactances are given the following table. The neutrals of the generator and A-Y...
A single line diagram of a power system is shown in Fig. 2. The system data with equipment ratings and assumed sequence reactances are given the following table. 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. Assume that Pre-fault voltage is takin as VF-1.0 ,0° per unit and Pre- fault load current and Δ-Y transformer phase shift are neglected In the...
Please show all steps clearly, thanks!
Generator 13800V 12MVA Wye grounded Xd" = 0.17, Xd'=0:30, and Xd = 1 pu, and Td"=.05, Td'=1 TA=0.1 13800-20kV 12MVA A A Z=j 0.06pu Use a base of 13.8 kV, 12 MVA in generator circuit A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault 3 cycles after fault inception. Determine (a) the subtransient current...
Problem 2 (50 points): The synchronous generator shown in the figure below is operated at its rated apparent power (100 MVA), 0.95 pf. lagging, and 5% above rated voltage. Determine the subtransient fault current if a three phase short circuit fault occurs at the terminal of the motor (Bus 2) T1 2 100 MVA 100 MVA 13.8 kV 13.8 kV Δ/138 kVY X" = 0.15 X = 0.10 100 MVA 138 kV Y/13.8 kV Δ X0.10 100 MVA 13.8 kV...
2. A three-phase short circuit occurs at the bus 1 for the system shown in figure below. Neglecting prefault currents and assuming that the generator is operating at its rated voltage, determine the subtransient fault current using superposition. bus 1 bus 2 j6522 ww m AY 25 MVA 13.8 kV 15% 25 MVA 13.2/69 KV 11% 25 MVA 69/13.2 kV 11% 15 MVA 13 kV 15%
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown in Figure P1. Parameters of both generator and transformer are given in the figure. Transformer losses and exciting current are neglected. A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault three cycles after fault inception. Neglect the effect of the transformer on the time...
please solve E and F only
2. (40 points) As shown in Figure 1, a synchronous generator and motor are rated 100 MVA, 13.8 kV. X 0.2 per unit, X 0.15 p t, and X 0.305 per unit. The synchronous generator is operating at 100 MVA, 0.95 p.f lagging and at 1.05 per unit voltage when a three-phase short circuit occurs at bus 2 Please use the direct method to calculate the per-unit values of (a) subtransient generator current (g)....
Zone 1 Zone 3 Zone 2 Xice j1002 BE SO MW 0.8 pf lagging Vload = 30 kV Ti 50 MVA 11/132 kV X= 10% Tz 50 MVA 132/33 kV X=12% Figure 1 2. A 500 MVA, 20 kV, 50 Hz synchronous generator with reactances Xd" = 0.15, Xá = 0.24, Xo = 1.1 p.u. and time constant To = 0.035, Tó' = 2.0, TA = 0.2 seconds is connected to a circuit breaker. The generator is operating at 5%...
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...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
Problem 2 (50 points): The generator in the figure generates and delivers 150 MW to the power system below. At steady state the generator regulates the generating station voltage (bus 1) to pu. The system voltage at bus 3 is 1.05 pu. 1. Compute the internal voltage and rotor angle of the generator under the above conditions. 2. The fault sequence for a solid three-phase fault on any of the line circuits consists of a delayed tripping of both circuit...
A single line diagram of a power system is shown in Fig. 2. The system data with equipment ratings and assumed sequence reactances are given the following table. 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. Assume that Pre-fault voltage is takin as VF-1.0 ,0° per unit and Pre- fault load current and Δ-Y transformer phase shift are neglected In the...
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