2.1 Two power stations, A and B, are synchronized at 66 kV. They are inter-connected by a transmission line with an inductive reactance of 6.7-Ω and resistance of 3.5-Ω per phase. The voltage of power station A is advanced with an angle of 10.5 degrees with respect to the voltage of power station B. The loading of power station B has a real power of 200 MW. The respective loads of the two power stations are as follows: Power station A: 165 MVA at a power factor of 0.819 lagging. Power station B: The reactive power consumed by the load is 155 Mvar.   *Round off to two decimal places to every question     15.The active power loss within the interconnector (MW). 16.The reactive power loss within the interconnector (MVar). 17.The final loading of power station A (MVA) and it's angle

Q: In an installation there is a three-phase load of 300 kVA with a power factor of 0.8 behind, in…

A: Here, it is given in the problem that :Load 1 is 300 KVA with 0.8 power factor,Load 2 is 150 KVA…

Q: A 33 kV, 50 Hz. 3-phase underground cable, 6 km long uses three single core cables. Each of the…

A: We have been given an 33 KV 50 Hz 3-phase underground cable as,   Length (l) = 6 Km = 6000 m Line…

Q: For the same voltage and current produced by a three phase and single phase source, the power…

A: In this question,  We need to choose the correct options Choose the given Statment is true or false?…

Q: A split-wye capacitor bank is made up of two 4500-kVAR, 13.8-kV sections, for a total installed…

A: This problem is based on the concept of a balanced 3-phase system and power calculations in AC…

Q: A three-phase, 230 V, 72 kVA, 0.9 pf (lagging) load is supplied by three 29 kVA, 1330/230 V, 60 Hz…

A: Given, The single line diagram is shown below, Where,Feeder impedance, ZF=0.003+j0.015 Ω/phaseLine…

Q: 15. When the three-phase balance load having a pure resistive load the current is a) leading to the…

A: 15)Given;When the 3-phase balance load having a pure resistive load the current is--?Let as know…

Q: There are two loads connected in parallel and powered from a 7200-V source. The first load is 50-kVA…

A:

Q: In class B chopper, which of the given statement is true The value of On time is always less than…

A: The formula for output voltage in step up chopper is, Vo = Vin/(1- delta)-----(1) Delta is the duty…

Q: Two reverse parallel scr are used to control the voltage on a 10 ohm load over a 230V, 50HZ 1- phase…

A:

Q: A manufacturing company has privately contracted your company to rewire the mechanical workshop in…

A: Primary voltage VP is  400 V, f= 60 Hz start connected three phase supply from the utility.…

Q: ) Choose how to measure the R phase voltage in three phase star connected system?    a. Between…

A: Phase voltage is measured between one phase and neutral

Q: A 400 V, 3-phase alternator is subjected to an unsymmetrical fault. The

A: Ia=Ia0+Ia1+Ia2Ia=-j10+j6+j4=0Therefore , it is Double line to ground fault Fault current is -…

Q: The reactance of a generator is given as 0.25 pu based on the generator of 13 KV, 200 MVA. Determine…

A: Given, Reactance, Xg(old)= 0.25 pu Voltage, kV(old)= 13 kV Apparent power, MVA (old)= 200 MVA Base…

Q: Single phasing happens when one phase of a three phase source becomes unavailable.  True  False

A: Given  A true or false question based on single phasing condition. Please find the answer below.

Q: There is an installation with two equal triphasic loads of 300 kVA each and a power factor of 0.9…

A: The installation has a total apparent power of 600 kVA with a power factor of 0.9 lagging. The total…

Q: A R-pole, 6o Hz, 480RV, Y-conected, 3-phase gererator has vynchronsus reactance of 1.ohm and…

A:

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

A:

Q: Single Phase and Three Phase Principles

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.

Q: Which one of the following diagrams shows delta-delta connections of three single-phase transformers…

A:

Q: In load bus, the real and reactive power are specified. Select one: True False

A: The solution can be achieved as follows.

Q: reactance diagram

A: Transformer- A device that transfers the electrical energy between two electrical circuits which are…

Q: Can you explain regarding shunt reactor and shunt capacitor?

A: Shunt Inductive reactor  Inductive reactor absorbs lagging VAR and supplies leading VAR. The…

Q: 5. Obtain the symmetrical components of a set of unbalanced currents I,-1.3225º, I,-0.86z180º and…

A:

Q: . When a circuit is interrupted, the _______ returning to the source is also interrupted. A. rating…

A: It is asked to choose the correct answer from the given options.

Q: 12. Use Tellegen's theorem to find V, in the network. 6V 3 A 1 4 V 12 V 2 Vx 8V 3 ليا 12 V

A:

Q: In class B chopper, which of the given statement is true The power flows always from load to source…

A: The power flows always from load to source

Q: Differentiate Wye and Delta Connection in Three Phase System and Relate it with Computer Engineering

A: The differences between the wye and delta connection is listed in the table shown below:    Delta…

Q: 72. In 132 kV system, the phase to ground ca- pacitance is 0.01 µF and inductance is 6H. The voltage…

A:

Q: In the three phase system, phase is on no load, phase b and c are shorted circuited to ground. The…

A:

Q: The single phase transformers are used to provide a variable voltage output. Select one: True False

A: In this question we need to check the given statement is true or false

Q: The rating of generator is expressed in terms of kVA      Select one: True False

A: The rating of generator is in Apparent power kVA.because the power factor is varied for different…

Q: ii) A string of suspension insulators consists of three units if the voltage across the line unit is…

A: A string of suspension insulators consists of three units. voltage across the line unit is 20 kV.…

Q: How to measure the B phase voltage in three phase star connected system? a. Between B phase and R…

A: Phase voltage is the voltage between any line wire and neutral wire, so here the phase voltage of B…

Q: Two single phase transformers A and B with equal turns ratio have reactance of j3.2 and j19.2…

A:

Q: H.W 6: Eor the systom shown, determeine the fault level and 3-phase fault at the short ecrcint…

A: Reactances of generators and transformers are 10% Pv Now diagram can be drawn as below :

Q: 7. Two 440V, 60Hz, 6 pole, 30 AC generators are running in parallel. The first supplies the busbars…

A: It refers to the connection of multiple generators in a way to supply a common load. This…

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.