For the reactance network shown in Figure 2, find element Y33 of its bus admittance matrix. Below are the given reactances: jA = 0.8 jB = 0.7 jC = 0.3 jD = 0.6 jF = 3 jG = 3 ...
Q: The three conductors a 3 - phase overhead line are arranged in a horizontal plane, 4 meters apart.…
A: Solution: According to the given condition, the diagram is as follows:
Q: The line with symmetrical spacing then the equilateral spacing (Deq) for the three-phase…
A: The line with symmetrical spacing then the equilateral spacing (Deq) for the three-phase inductance…
Q: Problem 3.5: From a 3-phase, 480 V generator switchboard, a feeder takes 3-phase power to two…
A: A feeder takes 3 phase power at the other end through cables and transformer Combined series…
Q: The length of a three-phase power transmission line with a nominal operating voltage of 69 kV is…
A:
Q: In three phase transmission line system with no transposition have the inductance matrix as shown…
A:
Q: A single phase transmission line has two parallel conductors 1.5 meters apart with 2.5cm diameter.…
A:
Q: The national standard phase sequence in oman is R B Y Select one: True False
A: The national standard phase sequence in Oman is R B Y this statement is true.
Q: The resistance and reactance of the single- phase 60HZ transmission line conductors are 7.2 ohm and…
A:
Q: The resistance and reactance of the single-phase 60HZ transmission line conductors are 8.2 ohm and…
A:
Q: A 500-kV 60-Hz three phase transmission line is 463 km long. The series impedance is z=0.06+j0.4 2…
A: The solution is given below
Q: A single phase transmission line is delivering 440 kVA load at 10 kV. Its resistance is 4.5 Q and…
A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…
Q: A single phase transmission line is delivering 460 kVA load at 13 kV. Its resistance is 6 0 and…
A:
Q: A 20km overhead 3-phase transmission line delivers 5000 kVA at 22 kV at 0.7 lagging. The resistance…
A: In this question we will find line current , sending end voltage , regulation etc....
Q: A single phase transmission line is delivering 450 kVA load at 12 kV. Its resistance is 4.5 and…
A: Given,R=4.5ΩXL=6ΩcosϕR=0.9lagV.R.=Vs-VRVR×100 .....(1)Sending end voltage,…
Q: A single phase transmission line is delivering 500 kVA load at 2 kV. Its resistance is 0·2 Ω and…
A: Given,The inductive reactance is,
Q: A single phase transmission line is delivering 450 kVA load at 12 kV. Its resistance is 4.5 and…
A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…
Q: A single phase overhead transmission line from Muscat to Nizwa delivers 1800 KW at 22 KV at 0.8…
A: The data given in the question are: P=1800KW, VR=22KV∠0°, PF=0.8LAG, R=18Ω, L=25mH, f=50Hz The value…
Q: A 100 km long three phase transmission line has resistance 12Ω per phase, inductance per phase 0.15…
A:
Q: An overhead 3-phase transmission line delivers 6000 kW at 22 kV at 0.9 p.f. lagging. The resistance…
A:
Q: A 132 kV, 60 Hz double circuit 3-phase overhead line with specific spacing valucs shown in the…
A: 132KV 60Hz 3-phase overhead cable Radius of conductor R= 0.74cm Length L =1000m Inductance L?…
Q: A single phase transmission line is delivering 400 kVA load at 12 kV. Its resistance is 4.5 N and…
A: Sending end voltage = receiving end voltage +losses. Regulation = (Vs -Vr)/(Vr) Efficiency = output…
Q: Consider the following statements: Surge impedance loading of a transmission line can be increased…
A: we need to explain how SIL can be increased.
Q: 2. A three-phase 60-hz transmission line has its conductors arranged in a triangular formation
A:
Q: a single phase transmission line is delivering 500kva load at 2kV It resistance 0.2ohm and inductive…
A: Given data, The value of receiving end voltage is VR = 2 kV = 2000 V. The value of power is P = 500…
Q: A 500-kV 60-Hz three phase transmission line is 463 km long. The series impedance is z =0.06+j0.4 2…
A: Hi
Q: Note It is expected from student to develop impedance matrices of three phase power system. Develop…
A: Z-bus is determined as shown below
Q: A54 conductors/phase single phase line has a GMR of 15.9mm and a GMD of 2.3m. The axial length is…
A: In this question we will find total inductance of single phase line.....
Q: A single phase transmission line is delivering 450 kVA load at 13 kV. Its resistance is 7 Q and…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…
Q: The ABCD constants of a 3-phase transmission line are A = D = 0.8 Z1°; B = 170285° Q; C = 0.02Z90.4°…
A: Given values are - A=D=0.8∠1oB=170∠85oC=0.02∠90.4omhoSending end voltage VS=400kV
Q: [j0.11565 j0.045807 Ljo.04580 j0.13893 between buses 1 and 2, what is the new Zpus? A two-bus system…
A: A power station is to provide electricity to a huge number of people. Different customer’s power…
Q: An overhead 3-phase transmission line delivers 6000 kW at 22 kV at 0.9 p.f. lagging. The resistance…
A: In the 3 phase transmission line Resistance and inductance are given of the transmission line. At…
Q: A 20km overhead 3-phase transmission line delivers 5500 kVA at 22 kV at 0.7 lagging. The resistance…
A:
Q: A three-phase, 50 Hz overhead short transmission line has a line-to-line voltage of 11V3 kV at the…
A: The detailed solution is provided below.
Q: A single phase transmission line has two parallel conductors 1.5 meters apart with 2.5cm diameter.…
A: In this question we need to find a Inductive reactance per kilometre.
Q: A single phase transmission line is delivering 450 kVA load at 12 kV. Its resistance is 7 0 and…
A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…
Q: b. A transmission line of characteristic impedance 60 2 is terminated by antenna of impedance 48-j54…
A: Load impedanceZL=48-j50Ω as an antenna will act as loadCharacteristic impedance Zo=60Ωi Voltage…
Q: A single phase transmission line is delivering 460 kVA load at 11 kV. Its resistance is 4.5 Q and…
A: Fig: Equivalent circuit diagram of given single-phase Tr-line (a) current flowing…
Q: a) Explain mathematically how to covert impedance Z per unit using new MVA and kV bas values. b) A…
A: In this question we will write how we will convert impedance from old MVA and KV to new MVA and…
Q: A single phase transmission line delivers 1500 kW at 33 kV at 0.8 p.f. lagging. The total resistance…
A: Given P = 1500kW V = 33kV Pf = 0.8 lagging ZL = (10+j15)Ω Sending end voltage(VS): ? Sending end…
Q: A single phase transmission line is delivering 450 kVA load at 14 kV. Its resistance is 5.5 Q and…
A: Sending end voltage Vs = Receiving end voltage + drop in the line Regulation = Vs -VrVr…
Q: A single phase transmission line is delivering 450 kVA load at 12 kV. Its resistance is 7 0 and…
A: In this question we will find voltage regulation and efficiency of transmission line...
Q: A single phase 11 kV line with a length of 15 km is to transmit 500 kVA. The inductive reactance of…
A: It is given that the length of the transmission line is 15 km. It is considered as a short…
Q: A single phase 11 kV line with a length of 15 km is to transmit 500 kVA. The inductive reactance of…
A: sending end voltage= receiving end voltage+ drop in line. Efficiency=power at receiving endpower at…
Q: Example 8.3. Each line of a 3-phase system is suspended by a string of 3 simtlar insulators. f the…
A: The solution can be achieved as follows.
Q: Example 10.11. A 3-phase, 50-Hz overhead transmission line 100 km long has the following constants :…
A:
Q: Theoretical Admittance Transmission Impedance Parameters Parameters Parameters y11 A Z12 y12 В C y22…
A: It is given that: Z1 = 10 ohms Z2 = 25 ohms Z3 = 50 ohms Z4 = 75 ohms Z5 = 100 ohms Z6 = 75 ohms…
Q: A single phase transmission line is delivering 480 kVA load at 11 kV. Its resistance is 6 n and…
A: In this question, Single phase transmission line Load = 480kVA, at 0.9PF lagging. Find the…
Q: A single phase transmission line is delivering 470 kVA load at 10 kV. Its resistance is 6.5 e and…
A: Dear student as per our guidelines we are supposed to solve only one question in which it should…
Q: A single phase transmission line is delivering 400 kVA load at 12 kV. Its resistance is 6 2 and…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- In non-sinusoidal wave sources, the dissipated power in the load is depends on the value of . . Variable Current Average Current Constant Current All-of-themThe instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load under sinusoidal-steady-state excitation. is (a) Nonzero constant (b) Zero (c) Containing double-frequency componentsAssum rms for the phase current
- A Cock-eroft Walton type voltage maltiplier has 7 atagea with capacitance tranaformer secondary voltage is 133kv 250H. IE the load eurrent to be upplied is 6. SnA. The opt imum number of stages for the minimum voltage drop in all equal to 0.07pr. The at a frequency of (a 21 (b 18 Ie 19 te 11 Ob. b Od.s Oe dfollowing Series for divergent Test the Condergent or (3n)!The total reactive power consumed by the three-phase load(in VAr) is??
- A 100-MVA synchronous generator supplies 62.5 MVA of power at 0.8 lagging power factor. The reactance between the load and the generator is normally 1.0 pu, but it increases to 3.0 pu because of a sudden three-phase short circuit. The fault is subsequently cleared and the generator then supplies 43.75 MVA at 0.8 lagging power factor. Determine the critical clearing angle. Select one: a. 88.58 b. None c. 78.58 d 68.58A 3 phase 50 Hz alternator is connected to the bus bars through an oil circuitbreaker. Due to short circuit occurring at bus bars, the circuit breaker opens when the r.m.s value of the current was 8000 amperes. The reactance of each phase of the alternator is 2.5 mH and the capacitance to earth between the circuit breaker and the alternator is 1.4 x 10^-7 uF. Determine: (i) Frequency of oscillations(ii) The maximum value of RRRV(iii) Time taken to achieve RRRV value in (ii)7- DC Chopper with output voltage of 120V and input voltage of 80V and output power of 240W. Assume lossless chopper. The average inductance current IL is * 2.6 A 3.0A 4.3A
- A 50 cycles, 3 phase alternator with grounded neutral has inductance of 1.6 mH per phase and is connected to busbar through a circuit breaker. The capacitance to earth between the alternator and circuit breaker is 0.003 uF per phase. The circuit breaker opens when rms value of current is 7500 A. Determine the following: i) Maximum rate of rise of restriking voltage. 1) Time for maximum rate of rise of restriking voltage. in) Frequency of oscillationsQ14. Two sequence components and the corresponding phase voltage of 3ø system are following, Va0=0.6L90° Va1=1L30° and Va= 0.20L18.86 i. The negative sequence component is calculated as_ a. -0.8L60 b. 0.8L60 C. 0.8L-60 d. 0.6L90A synchronous generator has been synchronized to an infinite grid of 13.8 kV and 60 Hz. The generator prime mover C/C is such that the no-load frequency is 62.5 Hz and the power slope is 1 MW/Hz. The AVR C/C (The reactive power against the terminal voltage C/C) is such that the zero reactive power voltage is 14.6 kV, while the slope is 0.4 MVAR/kV. Calculate: (a) the kVA loading of the generator and its power factor. (b) the settings of the prime mover and AVR such that the generator delivers 3 MW at 0.85 lagging power factor.