Figure Q2 shows an unbalanced three-phase circuit. Determine the line currents and complex power absorbed by each load for the following unbalanced three-phase circuit by using mesh analysis. Let V1= 120 ∠0°, V2= 120 ∠-120°, V3= 120 ∠-240°.

Q: A balanced load with ZR = ZB = ZY = ……<00 Ω was supplied a three phase 50 Hz, 100 V between line…

A: The circuit is given asThe line voltage is given ashere we need to calculate the phase current and…

Q: A three phase system cannot be obtained using two single phase source.

A: given two single phases source we need to obtain 3 phase source

Q: Consider a simple positive phase sequence, three-phase, three-wire system operated at 50 Hz and with…

A: In this question, we need to determine the current in the lines. We solve this problem using ohm's…

Q: Consider the three-phase circuit shown in Figure 1. A generator supplies three loads: L,, L, and L,…

A: In this question, we need to determine the current in the each phase?  Draw the phasor diagram of…

Q: Question 3: i) Identify the type of circuit shown and justify your answer. ii) Establish the line…

A:

Q: In a three – phase system with balanced loads, total power using two wattmeter method is given by…

A: In three phase two wattmeter method, total real power will sum of power measure by each wattmeter.

Q: In a three phase overhead system , each line is suspended by a string of three insulator. The…

A:

Q: R B Y R 400V, 60Hz IR Ze=550° Figure 4: Star Unbalanced Load IR ZR Is ly Zx ZR = 30 < 0° 0 Fault…

A: A balanced load refers to a situation in an electrical system where the connected loads are evenly…

Q: The figure below shows the one-line diagram of a three-phase power system. By selecting a common…

A: In this question we need to draw a per unit impedance diagram of the given system.

Q: Q.4. Answer (only Two) of the followings: A. Draw the logic circuit and waveform of the 4-bits SISO…

A: Approach to solving the question: Answer explained above. Detailed explanation: Examples: Key…

Q: The most common system for .secondary distribution is 3-phase, . . wire system. *

A: There are two types of distribution is present, primary distribution and secondary distribution.

Q: In a three - phase system with the unbalanced loads, total power can be measured by using three…

A: In three wattmeter method, power is measured across three- phase systems with unbalanced loads.

Q: Q1. What is the necessity of maintaining phase sequence? Suppose there are three loads connected at…

A: Given data: VR=1200 VVL=2400 VVC=2400 V

Q: Problem 9-AC phase shifts: The voltage and current waveforms shown below were measured across either…

A: The given waveform is shown below:

Q: 2. For the electric power system shown in the figure below, draw the impedance diagram with all…

A: It is given that:

Q: For a 3-phase ac device, full load current is 40A, line voltage is 450V and reactance value is…

A:

Q: When working with balanced three-phase circuits, per-phase analysis is commonly done after…

A: Consider that in case of the three phase system, there is no voltage in the neutral point and hence,…

Q: A single phase transmission line is delivering 500 kVA load at 2 kV. Its resistance is 0-2 2 and…

A: The solution can be achieved as follows.

Q: Figure 4: Pgen, Pgen, Pload. 200 MW Pload, 550 MW Line Line Reactance (Per Unit) x12-0.1 1-2 1-3 2-3…

A: Power delivered by the line having sending  end voltage V1 and receiving end voltage V1 with del is…

Q: ...... Q2/B/ The positive, negative and zero sequence components of phase a of an unbalanced set of…

A:

Q: For Figure 2: The 3-phase load is connected to a balanced 2300V, abc source. In doing this, 3…

A: For the given three-phase system in Fig 2, we need to determine(ii) line currents.

Q: Consider the three-phase system given in Figure Q1. The parameters of the system are: Generator…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Writo a matrox equation that determinos the loop currnts For each matrix, lot row 1 correspond to…

A:

Q: For a 3-phase ac device, full load current is 40A, line voltage is 450V and reactance value is…

A:

Q: A 3-phase system has a single phase to earth fault (i.e. phase A is short circuit to earth while…

A: In this question we need to find the per unit phase A current of the given system when a single line…

Q: The three-phase power and line-line ratings of the electric power system shown in Figure-1 are given…

A: Given: G1:82 MVA 30 kV X=10% T1:72MVA 30/300 kV X=11% T2:72MVA 300/30 kV X=11% M:62MVA 25 kV X=9%…

Q: A balanced delta connected load is connected to a 3-phase system and supplied to it is a current of…

A: A simple problem on power system . Look below for solution:-

Q: 3. The sequence component of phase a currents are: Iao = 0 A; Ia1 = 10 + j5 A; Ia2 = 8 -j5 A.…

A:

Q: = 600-90 and la The currents of 3-phase system are la0 = 350-90, Ia1 50-90. Compute the…

A:

Q: he one-line diagram of a three-phase system is shown in Figure 1. By selecting a common based of 100…

A: Given, Common base power, SB = 100 MVA Base voltage = 32.75 KV

Q: Q2) Each line of a 3-phase test system is suspended by a string of 3 similar insulators. The voltage…

A: Using KCL we will find relationship between voltage across the each unit. Line voltage= Root (3) *…

Q: In a _connection the line voltage appears across each of the load phases. a. Dual b. Delta c. Series…

A: In a Delta connection the line voltages appears across each of the load phases.

Q: On figure 1 below is load distribution on a two wire d.c. distributor fed from one end from a 400OV…

A: It is given that: VA=400 VA=0.27 cm2LAB=75 mLBC=100 mLCD=50 mρ=1.78 μΩcm

Q: A three-phase generator provides 3.6 kVA with a 0.85 (delayed) power factor. If first released 2,500…

A: we need to calculate losses in the generator.

Q: One conductor of a three-phase line is open. The current flowing to the A-connected load through…

A: Let Ia , Ib and Ic are the line currents flowing through the load and I0 is the zero-sequence…

Q: 6. Consider a three-wire Y-A circuit. The voltages of the Y-connected source are V = (208/√3)2 - 30°…

A: Given, A three wire Y-∆ circuit. Y connected sources are, Va=208/3∠-30° VVb=208/3∠-150°…

Q: na two-phase circuit, find the unbalance factor of the load voltage when one wire is disconnected.…

A: To find unbalanced factor in two phase circuit.   Explanation below

Q: Q3/A: The arrangement of a three-phase double circuit line is shown below. The self-GMD of…

A: Note Inductance (L) per phase in single phase or three phase system is given as   Lphase=2×10-7…

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.