A balanced three-phase source furnishes power to the following three loads: Load 1: 8 kVA at 0.83 pf lagging Load 2: unknown Load 3: "12" kVA at 0.7071 pf leading If the line current is "73" Arms, the line voltage at the load is "221" Vrms, and the combined load has a 0.8 pf lagging, determine the unknown load.

Q: The given three phase load impedance is ZZ¢ then the power factor of the circuit is

A: Given impedance Z∠∅

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Q: A voltage of 200 253"8' is applied across to impedances in parallel. The values of impedances are…

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Q: 3- phase power don't we need to multiply with 3? also Vt=13.1 KV, so shouldn't it be 13.1e3? in the…

A: The three-phase power can be calculated by the formulas shown below:…

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A:

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Q: Determine the line currents in the three-phase circuit of the figure given below, where Van = 450 /…

A: In this question we need to find the line current if the given three phase system

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A: The solution is given below

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Q: 1. Determine the line currents in the given three-phase circuit. I₂ 44020° 440/120° n a 440-120° (50…

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Q: star connection, the line voltages leads the phase voltages by

A: Star connection :- (Phasor Diagram)

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A: Due to the doping , Fermi level will shift towards the conduction band .

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Q: 2. A three phase delta connected balanced resistive load is connected to a three phase delta…

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Q: Impedances are marked in perunit on a 100MVA. 100 KV base. The load at bus 2 is 52 16MW - 132 MVAR,…

A: In this question we need to find a bus voltage at bus 1 and bus 2 .

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Q: Assume the source is Wye connected and the phase voltages are 2kV. What is the phase to phase…

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Q: Q- A 30 KVA, 2500/230 transformers has leakage impedance of 8%. Find the voltage to be applied on hV…

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Q: During balanced load condition the current flowing through the neutral is

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Q: Problem 03: For the following series-parallel network: E = 600VZ53.13°, R1 = R2 = R3 = XL= Xc724 2.…

A: The solution is given below  Basic phasor problem

Q: Q- A 30 KVA, 2500/230 transformers has leakage impedance of 8%. Find the voltage to be applied on hV…

A:

Q: The primary windings of three single phase transformers are wye connected and the secondary windings…

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Q: A 11 KV source is connected to a 12 MVA load with a 0.83 lagging power factor. How much capacitive…

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Q: A) IN Unbala nced conditiuns without Faulrs- •) Load Line current Ia, Ib , Ic •) Load Line voltages…

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Q: Find the load current IAB b) Find the line voltage Vbc c) Calculate the total complex power on the…

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Q: In the measurement of power of balanced load b two wattmeter method in a 3-ø circuit, The readings…

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A: The given three phase system is balance. So we can analyse the circuit by per phase analysis.

Q: Use Kirchhoff's Laws to find the branch currents indicated in the following networks

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Q: The following loads are served by a balanced three-phase source: Load 1: 18 kVA at 0.8 pf lagging…

A: load 3

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Q: What are the line voltage's phases?

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Q: The apparent power in a three-phase balanced circuit is 150 VA, and the active power is 100 W. What…

A: Given, Apparent power, S=150 VA Active power, P=100 W

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.