A single phase transmission line is delivering 470 kVA load at 10 kV. Its resistance is 6.5 e and inductive reactance is 7 Q if the load power factor is 0.8 lagging. Determine the Current through the line Sending end voltage Sending end power factor
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A: Ans. Is shown below.
Q: A single phase transmission line is delivering 450 kVA load at 13 kV. Its resistance is 6.5 N and…
A: Single phase transmission line Power deliver P=450KVA, power factor = 0.9 load voltage V=13KV…
Q: A single phase transmission line is delivering 450 kVA load at 13 kV. Its resistance is 7 Q and…
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Q: 5. A 3-phase line 3 km long delivers 3000 kW at a p.f. 0-8 lagging to a load. The resistance and…
A: As per Bartleby guidelines we are allowed to solve only one question, please asks the rest again.…
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Q: The resistance and reactance of the single-phase 60HZ transmission line conductors are 8.2 ohm and…
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Q: For a single phase network shown in the figure below, work in per-unit with 200 VA & 250 V as base…
A: In this question we need to find a load current of the given system.
Q: A single phase transmission line is delivering 470 kVA load at 10 kV. Its resistance is 6.5 0 and…
A: NOTE: "Since you have posted a question with multiple sub parts, we will solve first three sub parts…
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Q: The conductor of one phase of a three- phase transmission line operating at a line voltage of 258 kV…
A: Given: Line voltage=258 kV Rated VA=510 MVA CT ratio of current transformer=1000/5
Q: A load of 145 MW at a power factor of 0.9 lagging can be delivered by a 3-phase transmission line.…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
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A: This question is based on the load connection in the distribution line simulator. RL load in the…
Q: A single phase transmission line is delivering 460 kVA load at 13 kV. Its resistance is 6 0 and…
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Q: A single phase transmission line is delivering 470 kVA load at 14 kV. Its resistance is 4 Ω and…
A: A single phase transmission line Output power S=470 kVA load at 14 kV. Transmission line resistance…
Q: A load of 125 MW at a power factor of 0.6 lagging can be delivered by a 3-phase transmission line.…
A: single phase power=3 phase power 3. per phase voltage=Line voltage3. line current=power…
Q: A single phase transmission line is delivering 490 kVA load at 12 kV. Its resistance is 6 N and…
A: current in transmission line = power delivered to load in KVA voltage in KV. sending end voltage =…
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 transmission line is delivering 440 kVA load at 11 kV. Its resistance is 50 and…
A: Sending end voltage =receiving end voltage +drop in the line. Efficiency = output power/input power.…
Q: A single phase transmission line is delivering 460 kVA load at 11 kV. Its resistance is 4.5 e and…
A:
Q: Problem: A three phase transmission line is being supported by 3 disc insulators. The potential…
A:
Q: A single phase transmission line is delivering 440 kVA load at 11 kV. Its resistance is 50 and…
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.
Q: A single phase transmission line is delivering 470 kVA load at 12 kV. Its resistance is 5 2 and…
A: current in line = KVA deliveredvoltage at receving end. sending end voltage = receiving end voltage…
Q: A single phase transmission line is delivering 430 kVA load at 10 kV. Its resistance is 5 Q and…
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.
Q: A single phase transmission line is delivering 410 kVA load at 10 kV. Its resistance is 6.5 N and…
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: The resistance and reactance of the single-phase 60HZ transmission line conductors are 8.8 ohm and 9…
A: Given single phase transmission lineResistance R=8.8 ΩReactance XL=9 ΩReceiving end voltage VR=56…
Q: A single-phase transmission line has a resistance of 0.22 ohm and inductive reactance of 0.36 ohm.…
A: Write the given values. R=0.22 ΩXL=0.36 ΩSR=500 kVAVR=2000 Vpf=0.707 lagging
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…
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Q: A load of 140 MW at a power factor of 0.6 lagging can be delivered by a 3-phase transmission line.…
A: Given 3-phase transmission line Load PL=140 MWPower factor PF=0.6 lagReceiving end voltage VR=36…
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: 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: For a single phase ac voltage controller/chopper, which is designed by using thyristors, with the…
A: A rectifier circuit is used to rectify the AC power generated by this source to the DC power that…
Q: The resistance and reactance of the single-phase 60HZ transmission line conductors are 5.4 ohm and…
A: Note: As per guidelines will be solving only first 3 subparts. Repost for others For the given data…
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 three phase line 30 km long delivers 2000 KVA at 33 kV voltage, 0.707 lagging power factor. If…
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Q: A load of 120 MW at a power factor of 0.8 lagging can be delivered by a 3-phase transmission line.…
A: per phase power =3 phase power 3Given 3 phase power = 120 MWso per phase power = 1203 = 40 MWPer…
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: transmission line has a resistance of
A: Insulator in transmission line- The device used to protect transmission line and prevent the…
Q: A short single phase transmission line has a loop impedance of (0.2+j1.2) ohm. At what leading power…
A: Given: A short single phase transmission line has, Loop impedance, Z=0.2+j1.2 Ω so Resistance, R =…
Q: A 230 kV transmission line has an impedance of 50 cis 78 ohms and a capacitive reactance of 1,200…
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Q: Below is a 3-phase, 3 wire system. Compute for the line currents, total real power, total reactive…
A: Given line voltages are Vab =200 ∠0 V Vbc=200 ∠240 V =200 ∠-120° Vca =200 ∠-240 V =200 ∠120 V it…
Q: The conductor of one phase of a three- phase transmission line operating at a line voltage of 324 kV…
A: Given that MVA rating of VT (S) = 930 MVA Primary voltage of VT ,V1 =324 KV CT ratio = 1200/1…
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- Consider a single-phase electric system shown in Figure 3.33. Transformers are rated as follows: XY15MVA,13.8/138kV, leakage reactance 10 YZ15MVA,138/69kV, leakage reactance 8 With the base in circuit Y chosen as 15MVA,138kV determine the per-unit impedance of the 500 resistive load in circuit Z, referred to circuits Z, Y, and X. Neglecting magnetizing currents, transformer resistances, and line impedances, draw the impedance diagram in per unit.The 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 componentsConsider the single-Line diagram of a power system shown in Figure 3.42 with equipment ratings given: Generator G1: 50MVA,13.2kV,x=0.15p.u. Generator G2: 20MVA,13.8kV,x=0.15p.u. Three-phase -Y transformer T1: 80MVA,13.2/165YkV,X=0.1p.u. Three-phase Y- transformer T2: 40MVA,165Y/13.8kV,X=0.1p.u. Load: 40MVA,0.8PFlagging,operatingat150kV Choose a base of 100 MVA for the system and 132-kV base in the transmission-line circuit. Let the load be modeled as a parallel combination of resistance and inductance. Neglect transformer phase shifts. Draw a per-phase equivalent circuit of the system showing all impedances in per unit.
- Three single-phase two-winding transformers, each rated 25MVA,34.5/13.8kV, are connected to form a three-phase bank. Balanced positive-suence voltages are applied to the high-voltage terminals, and a balanced, resistive Y load connected to the low-voltage terminals absorbs 75 MW at 13.8 kV. If one of the single-phase transformers is removed (resulting in an open connection) and the balanced load is simultaneously reduced to 43.3 MW (57.7 of the original value), determine (a) the load voltages Va,Vb, and Vc; (b) load currents Ia,Ib, and Ic; and (c) the MVA supplied by each of the remaining two transformers. Are balanced voltages still applied to the load? Is the open transformer overloaded?Determine the positive- and negative-sequence phase shifts for the three- phase transformers shown in Figure 3.36.Consider three ideal single-phase transformers (with a voltage gain of ) put together as three-phase bank as shown in Figure 3.35. Assuming positive-sequence voltages for Va,Vb, and Vc find Va,Vb, and VC. in terms of Va,Vb, and Vc, respectively. (a) Would such relationships hold for the line voltages as well? (b) Looking into the current relationships, express IaIb and Ic in terms of IaIb and Ic respectively. (C) Let S and S be the per-phase complex power output and input. respectively. Find S in terms of S.
- of stion 4 A single phase transmission line is delivering 450 kVA load at 12 kV. Its resistance is 4.5 2 and inductive reactance is 6 2. If the load power factor is 0.9 lagging. Determine the Current through the line Sending end voltage Sending end power factor Regulation of transmission line Efficiency of transmission line A load of 120 MW at a power factor of 0.8 lagging can be delivered by a 3-phase transmission line. The voltage at the intained at 33 kV and the loss in the transmission as 7.5 % of the power delivered. (ConsiderTranskrmers phase with each bank with - adjuste 35. Three single-phase transformers, cach of 100 kVA rating, are conected in a closed-delta arrangement. If one of them is taken out, it would be possible to load the bank in such a manner that cach one is loaded to the extent of: A 86.6 kVA C. 57.7KVA B. 66.7 kVA D. 33.33 kVA when load is at unity power factor. 36. Average power factor at which V-V bank separate is A 86.6% C. 66.67% В. 73.3% D. None of these 37. Scott connections are used for: A. single-phase to three-phase transformation C. three-phase to two-phase transformation B. three-phase to single-phase transformation (D Any of the above 38. The current in low voltage winding of a 25 kVA, 6600/400 V, 50 Hz, 3-phase Y-A transformer, at full load is: A 36 A Č. 65,32 A B. 20.78 A D. 40.2 A 39. The current in high voltage winding of a 20 kVA, 2200/220 V, 50 Hz, 3-phase A-A transformer, at full load is: (A. 3.03 A C. jo.5 A B. 5.25 A D. None of above 40. The current in low voltage…A 30 MVA, 11 kV generator has a reactance of 0.10p.u.on its own base. Determine the per-unit reactance when referred to base kVA of 50,000 kVA and base kV of 33 kV.
- Consider the 500 kV, three phase bundled conductor line as shown in the figure below. Find the line to neutral capacitance. 0.5 m 30 mm (0) (O to Ine 15 m 15 mQ2) A 13.2-kV single-phase generator supplies power to a load through a transmission line. The load's impedance is Zload = 500 236.87° ohm, and the transmission line's impedance is Zline = 60 253.1° ohm. To reduce transmission line losses to 0.0103 of its losses without using the transformers design and use two transformers T1 between the generator and the transmission line and T2 between the transmission line and the load.Q2) A 13.2-kV single-phase generator supplies power to a load through a transmission line. The load's impedance is Ztoad 500 236.87° ohm , and the transmission line's impedance is Zine = 60 253.1° ohm. To reduce transmission line losses to 0.0103 of its losses without using the transformers design and use two transformers T1 between the generator and the transmission line and T2 between the transmission line and the load.