The most common system for secondary distribution is 400/.. V, 3-phase,. ......... system 230, 3 11kV,3 230, 4
Q: The input power to a 3-phase star connected load is measured as 8kW. If the line voltage and power…
A: Given: 3-phase star connected load having
Q: A 3-phase 415, 50Hz supply is given to delta connected load with impedance (6+j14) ohms. The line…
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Q: The input power to a 3-phase load is measured as 11kw. If the line current and power factor of the…
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Q: a) Find the ICA load current. b) Give the line voltage Vab. c) Calculate the total complex power on…
A: a) Find the ICA load current. b) Give the line voltage Vab. c) Calculate the total complex power on…
Q: Q2: A single phase line is transmitting 1,100KW power to a factory at 11KV and at 0.8 pf lagging. It…
A: Given: The resistance is R=2Ω, The reactance is X=3Ω, The power factor is cosθ=0.8, The power is…
Q: In a 3-phase delta connected system, prove that IL =V/3 Iph by considering the line current (11 = IR…
A: The detailed solution is provided below.
Q: A 380 V system as shown below, obtain the line currents and phase voltages * 11 3+2j 1-4) WHT
A: In the circuit 3 phase Delta connect balance source supplied to the 3 phase unbalanced load. Find…
Q: The input power to a 3-phase load is measured as 17kW. If the line voltage and power factor of the…
A: The input power to a 3-phase load is measured as 17kW. the line voltage and power factor of the load…
Q: The input power to a 3-phase load is measured as 14kW. If the line voltage and line current to the…
A: Power of a 3-phase load is given by following relation P = 3 x VL x IL x cos∅Where, P = 3 phase…
Q: ) An ACB sequence set at vottages feed d balanced three phase, wge - e system The bead resistance…
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Q: a) Calculate the current in each line. b) Clearly draw the voltage and current phasor diagram. c)…
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Q: ICA IAB 20/45 n VCA VAB 20/45 1 Be 20/45 n VBC
A: This question is from the Power System. Under which we are studying (line, phase) currents as well…
Q: 1. A balanced three-phase circuit has the following characteristics: a. Y-Y connected b. The line…
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Q: = 300 20° Q4: A balanced acb sequence A-A three phase system with line voltage of Vab Vms. Calculate…
A: A simple problem on power system... Look below for the solution of DELTA DELTA NETWROK GIVEN .
Q: A balanced 3-phase load of 30 MW is supplied at 132.1 kV and 0.85 pf lagging by means of…
A: From the General expression of Percentage voltage Regulation
Q: The figure shows a 3-phase balanced negative sequence electrical system. Vcn = 200 /0° Vrms. Vbn =
A: Let us first draw phase of negative sequence. From the above diagram we can observe that the phase…
Q: The input power to a 3-phase load is measured as 18kW. If the line current and power factor of the…
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Q: Assuming ACB sequence, find the line and phase voltage if Vcn= 30<50 V.
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Q: The half-controlled single-phase bridge circuit is supplied at 120 V. Neglecting volt-drops. If the…
A: In this question, We need to choose the correct options What is required device rating if bridge…
Q: Part B: Poly-Phase Circuits 1. A three-phase, 330V, 60HZ source is connected to a balanced, purely…
A: The solution is given below
Q: 5. A 3-phase overhead transmission line has the following constants: Resistance/phase = 102…
A: The Correct solution can be achieved as follows.
Q: A 3-phase transmission line operating at 10 kV has a resistance of 192. The percentage resistance of…
A: Given, A 3-phase transmission line with, Rated line voltage, V = 10 kV Resistance, R=1 Ω Base kVA =…
Q: A three-phase motor is connected to a three-phase source with a line voltage of 440V. If the motor…
A: Given data, Line voltage VL=440 V. Total power, P=55 KW. Power factor, cosϕ=0.73.
Q: In a positive sequence, balance, 3-ph, Y-connected electrical source, phase voltage leads line…
A: The phasor diagram of the abc positive sequence having phase and line voltages is shown below:
Q: A three-phase supply, with an effective line voltage of 240 V, has an unbalahced delta connected…
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Q: 1/In a three-phase star-connected balanced system the neutral current is three times line current.…
A: In a three phase star connected balanced system the three line currents are Ia ,Ib ,Ic. In a…
Q: A balanced three-phase Y load has one phase voltage of ??? = 277 ∠ 450 V. If the phase sequence is…
A: The supply source can be single phase or three-phase. The load connection can also be either star…
Q: 4. A three-phase, 330V, 60HZ source is connected to a balanced, purely resistive, three- phase load.…
A:
Q: The input power to a 3-phase load is measured as 18kW. If the line voltage and power factor of the…
A: input power P=18 kW Line voltage VL=430 V power factor=0.7 line current IL=? IL=P3×P.F.…
Q: 12.57 Determine the line currents of the three-phase circuit in the figure. /-120°, V. = 110/120° V.…
A: The solution can be achieved as follows.
Q: Q.1: Three symmetrical Y-connected loads of impedance (10Z30°Q/ph), and another three symmetrical…
A: In this question we need to find a total line current and total consumed power.
Q: Three impedances are connected, each consisting of a resistance of (5) and an inductive reactance It…
A: As per the guideline we need to solve only first three subpart of a given question. We need to…
Q: A 3-phase overhead transmission line has the following constants : Resistance/phase = 10 Ω Inductive…
A: Given DataResistance / Phase R =10ΩInductive Reactance / Phase XL =35ΩCapacitive admittance / Phase…
Q: The input power to a 3-phase star connected load is measured as 15kW. If the line voltage and line…
A: For a 3 phase load Input power = 1.732*Input line voltage* Input current * power factor (pf) Here…
Q: The neutral current
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Q: Q2. The voltages at the terminals of a balanced load consisting of 10 ohm resistors connected in Y…
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Q: A 380 V system as shown below, obtain the line currents and phase voltages 1-4) 13
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Q: In a 3-phase star connected system, prove that V =/3 Vph , by considering the line voltage (VRy = VR…
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Q: The input power to a 3-phase load is measured as 8kW. If the line current and power factor of the…
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Q: For the circuit of Fig. below, calculate the phase and line currents. 3012 173/9: V 30 12 173/120 V…
A: The given circuit can be redrawn and the current in the branch can be parameterized as shown.
Q: 2. By nodal analysis, determine the voltage V, in the circuit shown. 2n jsn v. -jos 20n
A: In this question we will find nodal voltage V2....
Q: The input power to a 3-phase load is measured as 14kW. If the line current and power factor of the…
A: Given Three phase supply Input power, P = 14 KW Line Current, I = 26A Power factor = 0.7 To find…
Q: 4. A Scott-connected transformer is fed from a 6,600-V, 3-phase network and supplies two…
A: Given Scott connected transformerV1=6600 vfurnaces voltage V2=100 vThe furnaces loads P1=400…
Q: One phase voltage of a balanced Y-connected source is V, = 1802 – 20° V. If the source is connected…
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Q: Q3. A three-phase ring main distributor system ABCDE, the system has long of
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Q: The input power to a 3-phase star connected load is measured as 17kW. If the line voltage and power…
A:
Q: State advantage and disadvantage of delta-connected three-phase voltage source compare to the…
A: Delta connected system has a closed path including the sources and is independent of load. Where as…
Q: A balanced delta connected load, consisting of there coils, draws 10-√3 A at 0.5 power factor from…
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Q: A balanced 3-phase load of 30 MW is supplied at 144.3 kV and 0.85 pf lagging by means of…
A: The solution can be achieved as follows.
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- A symmetrical 3 – phase, 3 – wire, 440 – V system supplies an unbalanced Y – connected load of impedances ?? = 5 ∠ 300 Ω ; ?? = 10 ∠ 450 Ω ; ?? = 10 ∠ 600 Ω. Phase sequence is ? → ? → ?. Calculate in the rectangular complex form the symmetrical components of the currents in the R – line.Using a test equipment, Vmax was found to be 5V while Vmin is 1V. The distance between voltage maximas is 14 cm and the first maximum was found to be 7 cm from the load. What is the load impedance if the characteristic impedance of the line is 75 ohms?One advantages of load balancing is that each phase conductor carries the ? current value
- Q1: Perform load line analysis for the following circuit using the figure given below. Where E=20V.R=5Kohm1. Based on the exercise, what do you understood about STAR connection? 2. What are the relationships between the Line parameters and Phase parameters in Star Connection?In the above figure, a single line model of a three-phase power system is given. Base power 50MVA, base voltage 13.8kV according to its value, a) Per-unit values of power system circuit elements according to the given base power and base voltage values. calculate. b) The perunit you calculate by drawing the equivalent impedance circuit for one phase of the power system given in the figure. show on the values.
- The annual load duration curve of a power supply system may be considered as straight line from 40 MW to 8 MW. The load factor of the system is ?1. What are the applications for stripline and microstrip transmission lines? 2. Give 2 examples of characteristic impedance application for each stripline and microstrip transmission lines.An 11 KV, 3-phase transmission line has a resistance of 1.5 Ω and reactance of 4 Ω per phase.Calculate the percentage regulation and efficiency of the line when a total load of 5000 KVA at 0.8 lagging power factor is applied at 11KV at the distant end.
- 3) State the relation between line and phase values of voltage and current for 3-phase STAR connected load .state the equation for active, reactive power consumed by 3-phase load.Which termination would result to a phase change of 180 degrees at the load if Zo = 100 ohm? a. 50 ohm b. short circuit c. 75 ohm d. all of these What is the purpose of impedance matching? a. maximum return loss b. maximum SWR c. maximum load power d. maximum reflection A short piece of transmission line that may be open or shorted and used for impedance matching purposes. a. converter b. decoder c. stub d. transformerMesh current method