Suppose you are Mr. Y who is working as an assistant engineer of PGCB. You have studied a wye-wye system during your investigation of a three-phase system. In this system, a Y-connected balanced three-phase generator is connected to a Y- connected balanced load with an impedance of 24 + j19 ohm per phase. The line joining the generator and the load has an impedance of 0.6 + j0.7 ohm per phase. Assuming a positive sequence for the source voltages and that Van = X

Q: For a balanced 3-phase system, and under the condition: Z₁ = Z₂=Z3-Zy Z2 prove that: ao bo n Z₁ =…

A: impedances are  Z1 =Z2=Z3 =ZY     and       Za= Zb =Zc =Z∆

Q: 3 phase balanced Wye connected inductive loads have PLOAD when connected to VGEN three phase…

A: It is given that: Van=220∠0° VPLoad=8 kW at 0.8 pf lagging

Q: A delta connected balanced resistive load is connected across an unbalanced three- phase supply. The…

A: A load is balanced delta connected as shown in the given figure, Line currents are;…

Q: Zjine 1:10 10:1 Vg = 13.84 0° kV Zoad T T2 A 13.8-kV, single-phase generator supplies power to a…

A:

Q: The following three-phase circuit is symmetrical, with line voltage 220 V, 60 Hz, direct phase…

A: Given data: VL-L=220V, Frequency,f=60Hz Zan = 10 ohms, Zbn = -10j ohm, Zcn = -10j Ohm

Q: A symmetrical delta-connected 415V three-phase supply is feed to an asymmetrical d connected load as…

A: The solution can be achieved as follows.

Q: Zjine 1:10 10:1 |Vc = 13.84 0° kV Z1oad T1 T2 A 13.8-kV, single-phase generator supplies power to a…

A: The transformer has a primary and a secondary side. It converts electrical power to electrical power…

Q: b) A 208-V three-phase power system consists of an ideal 208-V Y- connected three-phase generator…

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Q: Solve the following problems applying the Pythagorean Principle and check the result using the…

A: This question belongs to electrical machine . It is related to synchronous generator . It is based…

Q: A) The digital meter has a 3-1/2 digit display and it measures 4.5V on 100 V scale. Its specified…

A: Given Data:The digital meter with a  display showing,Voltmeter reading Full-scale reading  Number of…

Q: A Y-connected balanced three-phase generator with an impedance of 04 + j3 ohm per phase is connected…

A: The information we have given: Van=120∠30° V So, the line voltage will be : VL=3 VP=3×120 V=207.846…

Q: 100 kVA (Y-connected) Load 1 ) 0.9 PF lag Load 2) 80 kW (deta-connected) 0.85 PF lag 415 V Load 3 60…

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Q: PRACTICE PROBLEM 1 2.2 A Y-connected balanced three-phase generator with an impedance of 0.4+ j0.3 2…

A:

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: A balanced three-phase source delivers 8.6 kVA to a Y-connected load with a phase voltage of 208 V…

A: Apparent power: The combination of reactive power and true power is called apparent power. The…

Q: Q 2) AY-connected balanced 3-o generator is connected to a A-connected balanced load with an…

A: In this question,  3 phase balance star connect supplied to 3 phase balance Delta load with 2j…

Q: A single phase a.c. generator supplies the power to the following loads: • Lighting load of 500 W at…

A:

Q: A balanced three-phase Y-connected source with positive sequance has an internal voltage of 120…

A: The answer as given below

Q: The three phase power and line-line ratings of the below electric power system is given below: Vg Vm…

A: In this question we will find reactance of generator and motor on new base ..

Q: A three-phase A-connected generator has an inter- nal impedance of 0.6 + j4.8 N/4. When the load is…

A: a) The single phase equivalent circuit is, b) The phase current in single phase circuit:…

Q: A balanced three-phase, negative sequence, Y-connected generator is connected to a three-phase…

A: The solution is given below

Q: In a three phase Delta-Wye connection a.) What is the relationship between the line to line voltage…

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Q: balanced three-phase Delta connected voltage source supplies Delta connected three-phase symmetrical…

A: In the question the source is balanced and connected to balanced load through transmission line. For…

Q: Problem 3 Two three phase Y balanced loads are powered by a Y generator with phase voltage of 120 V…

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Q: H.W. 4: A balanced three-phase A-connected load is fed from a balanced three-pha circuit. The…

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Q: The three phase power and line-line ratings of the below electric power system is given below Vm…

A:

Q: In a three-phase balanced Y-Y system, the source phase currents have a magnitude of 9 A. The…

A: In a three phase balanced  Y- Y system : The source phase current  I ph = 9 A Here the system is…

Q: The three phase power and line-line ratings of the below electric power system is given below: V. Vm…

A: Given To find new per unit impedance

Q: In 3 phase 11kVV generator having unity power factor of 100MW load and the sending and receiving end…

A: The diagram for the sending and receiving end is shown below:

Q: If Van = 200 / 60° V in the network of the figure given below, find the load phase currents IAB,…

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Q: Load AY A 23 kV three-phase generator is supplying apparent power of 240 MVA to a Y-connected…

A: Given : Calculating the line voltage at load side V1V2=23230 where,  V1=Phase voltage at low side…

Q: across the j16 2 j40 2 ணை j40 2 24 2 100 V/30° ( -jl Q j4 2 =-j82 -j10 2= j10 2 j9 2 10 Ω 32 8 Ω ll…

A: Assume 100[30°] is a RMS Value.

Q: Three symmetrical three-phase loads are connected in parallel. Load 1 is connected in Y with an…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A balanced three-phase, negative sequence, Y-connected generator is connected to a three-phase…

A: In this question,  We need to determine the voltage across the generator terminal.  All impedance…

Q: Q1. A balanced three-phase Y-connected generator with positive sequence has an impedance of 0.4 +…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A balanced three-phase source with grounded neutral has line-to-neutral voltages of 135 volts with…

A: Given data Line-to-neutral voltage, VAN=135∠0° Series internal impedance, Zin=0.1+j0.15 Ω/phase Load…

Q: A delta connected load with Zab=3 + j2 Ohm, Zbc=3 + j4 Ohm and Zca=2+j3 Ohm are connected the end of…

A: It is given that a balanced delta-connected load per phase is connected at the end of a three-phase…

Q: Q1. A balanced three-phase Y-connected generator with positive sequence has an impedance of 0.4 +…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Q2. The current lca in a balanced 3-phase A-connected load is 16 < -45°. If the phase sequence is…

A:

Q: Suppose the value of each impedance of a Y-connected three-phase load is 15+j12 ohm. The terminal…

A: Transmission line

Q: Suppose the value of each impedance of a Y-connected three-phase load is 15+j12 ohm. The terminal…

A: Suppose the value of each impedance of a Y-connected three-phase load is 15+j12 ohm. The terminal…

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.