Three identical capacitors of 5 micro farad are connected in star across a 430 volts, 50Hz, 3-phase supply. What value of capacitance must be connected in delta to take the same line current and line voltage? Phase current in star Phase current in delta Value of Xc in delta Capacitance in delta

Q: Three similar coils, each having a resistance of 14 omh and an inductance of 32 mH are connected in…

A: Considering the frequency of the circuit is 50-Hz then the reactance of the coil is evaluated as:

Q: 3.2 A 4.16 three-phase primary feeder is shown in Figure 3.23. The Karop = 0.00298639% drop/kVA-mile…

A: Given Kdrop=0.00298639 %/ kVA-mile Krise=0.003343539 %/ kVAr-mile

Q: In a 390V, 57 Hz, three phase system, the value of the reactive power without capacitor bank is…

A: Given in the question: The system voltage is: V = 390V The system frequency is, F = 57Hz The…

Q: Question text Three Impedances each of (6 – j26)Ω are connected in mesh across a three-phase 425V ac…

A: For delta connection line current=3×phase current. Active power=3×I2×R. Reactive power=3×I2×X.…

Q: Three similar coils, each having a resistance of 7 Ω and inductive reactance of 6 Ω are connected in…

A: Given: Three similar coils having resistance of 7ohm and inductive reactance of 6ohm and is…

Q: Three inductive loads each of resistance 75Ω and inductance 318.4mH are connected in delta to a…

A:

Q: 64. A 50 Hz, 11 kV, 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase and…

A: Given, A 50 Hz, 11 kV, 3-phase alternator with earthed neutral has Reactance = 5 ohms per phase The…

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

A:

Q: hree identical capacitors of 20 micro farad re connected in star across a 415 volts, FOHZ, 3-phase…

A:

Q: Q-1: In a 33 kV overhead line, there are three units in the string of insuiators. If the capacitance…

A:

Q: Q 5. Three equal impedances, each consisting of R and L in series, are connected in star and are…

A: Two Wattmeter method is used In a three-phase three-wire system irrespective of balanced/ unbalanced…

Q: Two power system areas operating at a nominal frequency of 60 Hz are connected with a tie line, and…

A:

Q: Determine the inductance per km per phase of a single circuit 460 KV line using two bundle…

A: Bundled conductors are used as they result in less voltage drop and has less reactance. They even…

Q: Which of the following methods are used for controlling the VAR flow in a power network ? The…

A: Here, the objective is to determine the correct options for the controlling VAR flow.

Q: A series circuit composed of a resistance of 24 ohms, an inductance of 0.09 henry and a capacitance…

A: Note: As per the policy we can solve only 3 sub-parts of a question, please re-upload the remaining…

Q: a) in star and (b) in delta to a 415 volts, 50Hz, 3-phase supply. Determine (a) Phase voltage (b)…

A:

Q: C1 (ii). Three ldentical capacitors are connected in delta to 435 Volts, F = 50 Hz, 3 phase supply.…

A: we need to finnd out reactance and the capacitor value.

Q: In a 390V, 57 Hz, three phase system, the value of the reactive power without capacitor bank is…

A: Reactive power supplied by capacitor=reactive power power to load without capacitor-reactive power…

Q: calculate the loop inductance and capacitance of 1 phase line with two parallel conductor spaced…

A: Loop inductamce of the two wire transmission line can be calculated using the following relation L =…

Q: Q. 3a) Each phase of delta connected load comprises a resistor of 50 ohm and a series capacitor of…

A:

Q: Three identical capacitors of 25 micro farad are connected In staf acrUss 400 VUILS, 50HZ, 3-phase…

A: Here, we have three identical capacitors connected in star connection with a supply voltage of 400…

Q: A three phase load has a rating of 200 KW, 4000 volts, 0.7 power factor lagging and a frequency of…

A: The solution can be achieved as follows.

Q: A certain installation has 150 kW, 400V, 0.9 pf, 3 phase load. Load is to be fed by a 4 core cable.…

A: Given P=150 kW V=400 V pf =0.9 length of cable =150 m total voltage drop =5% of nominal voltage

Q: In a 3-phase overhead system. each hne is suspended by a string of 3 insulators. The voltage across…

A: Given,  A 3-ph overhead transmission line has, Number of insulator= 3 Voltage across the top unit…

Q: A54 conductors/phase single phase line has a GMR of 15.9mm and a GMD of 2.3m. The axial length is…

A: In this question we will find total inductance of single phase line.....

Q: 16. Three phase, 50 Hz, 30 MVA, 20 kV, delta connected alternator. Neglecting saturation, The…

A: Given, Three phase, 50 Hz, 30 MVA, 20 kV, delta connected alternator. Required excitation current,…

Q: Electromagnetic interference .controls voltage at all level scarry inrush current for short period…

A: Electromagnetic interference=disturbance of frequency around 10MH Reactive power compensation=shunt…

Q: Problem 2: The following figure shows a power system consisting of two parts, A and B. Bus #1 is…

A: When both circuit breaker will be open then there will be no interconnection between plant A and…

Q: In a star connected three-phase balanced (RYB) system, the phase angle between phase voltage ( VR…

A: In a star connected three-phase balanced (RYB) system, the phase angle between each  phase is 120°.…

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

A:

Q: 25/. A three phase loads each resistance of 100 Ω and capacitance of 10 µF are given, with 415 V, 50…

A:

Q: In a 66 KV system the phase is ground capacitance is 0.05 µF and inductance is 2H. The voltage (kV)…

A: Given a 66 kV system with, Capacitance, C=0.05 μF Inductance,k L=2 H Current that be interrupted,…

Q: Three Impedances each of (6 – j20)Ω are connected in mesh across a three-phase 415V ac supply.…

A:

Q: Three identical, 12mH inductors are connected in delta to 440V, 50Hz, 3 phase supply. What value of…

A: Given values are =

Q: 64. A 50 Hz, 11 kV, 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase and…

A: Given a 50 Hz, 11 kV, 3-phase alternator with, Earthed neutral has reactance, X=5 Ω. Distributed…

Q: Each phase of delta connected load comprises a resistor of 50 ohm and a series capacitor of 50 µF.…

A: Given  3 phase delta connected load comprises a resistor of 50 ohm and a series capacitor of 50 µF…

Q: A 3-phase, 20 MVA, 10 kV alternator has internal reactance of 5% and negligible resistance. Find the…

A: We have a 3-phase alternator we have been asked to find the external resistance per phase to be…

Q: b. Determine the inductance per km per phase of a single circuit 460 KV line using two bundle…

A: You posted two question at a time.we have limited time to solve your question.you did not mentioned…

Q: Draw with explain the single line diagram of a power system with all protatctive elements

A: Protective Elements:- Lightning Arrester :-It is a device used in electrical power systems to…

Q: The voltage drop across two series – connected units A & B are 60 & 90 Volts respectively . Assume…

A: The solution is given below

Q: C1 (ii). Three lIdentical capacitors are connected in star to 415 Volts, F = 50 Hz, 3 phase supply.…

A: Given:-IL=12AVL=415voltF=50Hz

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

A: Given a 132 kV system having, The phase to ground capacitance, C=0.01 μF Inductance, L=6 H…

Q: A balanced 3-phase load consists of 3 coils each of resistance of 6 Ω and inductive reactance of 8…

A: Given: R=6 Ω and XL=8 Ω

Q: For a 3-phase ac device, full load current is 50A, line voltage is 400V and reactance value is…

A: Note: Since you have not specified any question to be answered, as per our honor code, we are…

Q: ission line operating at 10 KV onnected to the generating stati reactance of 5%. The bus bars

A: Ina power system for doing an analysis such as fault analysis fault current must be calculated. To…

Q: In a 3-phase Overhead System, each line is suspended by a string of 3 Insulators. The voltage across…

A: Given voltage across top and middle units, using this we will find Ratio of capacitance, string…

Q: 1. In a 3-phase overhead system, each line is suspended by a string of 3 insulators. The voltage…

A: The solution can be achieved as follows.

Q: A 3-phase overhead transmission line is being supported by three disc insulators. The potentials…

A: Given:-potential across top unit =9kv=v1potential across middle unit=11kv=v2& there are 3 disc…

Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.