A (medium) single phase transmission line 100 km long has the following constants:Resistance/km/phaselicnx.tivcrcaciaoc(:/km/phasc : 0-377 ΩCapacitive reactance/kmphase 31.87 ΩReceiving end line voltageAssuming that the total capacitance of the line is localised at the receiving end alone, determine() sending end current1.= 0.15Ω132 kVii) line value of sending end voltage(iv) sending end power factor(iii) regulationThe line is delivering 72 MW at 0.8 p.f. lagging.(i) 3773 A (î) i 55.7 kV (iii) 17.9% (iv) 0.774 lag]

As per the norms, we answer three parts of a question. Since your question contains four parts, we…

Answered: A (medium) single phase transmission…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

A 3-phase transmission line, 160 km long, has the following constants : Resistance/phase/km = 0·2 Ω[263·574 kV ; 187·5 A]Reactance/phase/km = 0·3127 Ω Shunt admittance/phase/km = 1·875 × 10−6 SDetermine the sending end voltage and current by rigorous method when the line is delivering a load of 25 MVA at 0·8 p.f. lagging. The receiving end voltage is kept constant at 110 kV
A three-phase transmission line is 160 km long and supplies a load of 12 MW at 0.85 powerfactor lagging at 80 kV, 50 Hz. Each conductor has a resistance of 0.275 Ω / km, an inductivereactance of 0.5625 Ω / km and a capacitance to neutral of 0.008625 µF / km. Calculate the line-to-line sending end voltage and the sending end current, using: i. The nominal T method.ii. The nominal Π method. If the sending end voltage remains constant, estimate the approximate rise in voltage at thereceiving end when the load is switched off. Hence calculate the per unit voltage regulation ofthe transmission line.
A (medium) single phase transmission line (Islamabad to Kashmir) 100 km long has the following constants : Resistance/km/phase = 0·15Ω Inductive reactance/km/phase = 0·377 Ω Capacitive reactance/km/phase = 31·87 Ω Receiving end line voltage = 132 kV Assuming that the total capacitance of the line is localized at the receiving end alone, determine : sending end current line value of sending end voltage voltage regulation sending end power factor The line is delivering 72 MW at 0·8 p.f. lagging
A Single-Phase Transmission Line has two parallel conductors 1.5 meters apart. The diameter of each conductor being 0.5 cm. Calculate Line-to- Neutral Capacitance for a line 80 km long.
A 3 phase, 50 Hz, 150 km line has a resistance, inductive reactance and capacitive shunt admittance of 0.1Ω, 0.5Ω, and 3 x 106 S per km per phase. If the line delivers 50MW at 110kV and 0.8 pf lagging, Assume a nominal phi circuit for the line determine: a. Sending end current b. Line value of the sending end voltage c. Transmission efficiency d. Voltage regulation e. Sending end power factor
A three phase 60Hz, 120kV transmission line consisting of 3 conductors are placed at the corners of a triangle of sides 20, 15, and 8 meters. The radius of each line conductor is 1.5 cm. The length of the transmission line is 120 km. Assume epsilon subscript 0 equals 8.854 cross times 10 to the power of negative 12 end exponent. Determine d) Capacitance between the line (Cab) Answer for part 4 d) Capacitive reactance between the line( Xab) Answer for part 5 e) Charging Current for the 120 km Answer for part 6
A single circuit, 60 Hz, three phase transmission line has the following parameters : R = 0.30 0/mile L = 2.10 milliHenry /mile C = 0.014 μFarad/mile b.) If the line is 75 miles long and delivers 40 MW at 132 kV and 80% lagging powerfactor, determine the sending end voltage, current, power, and power factor.Compute for the velocity propagation. Expected Answer: 151.27 kV, 199.61 A, 42.885 MW, 0.82 lag
A three phase, 60 Hz transposed transmission line is arranged horizontally with distances D12 = 5 ft; D23 = 5 ft; D13 = 10 ft. The outside diameter of the conductors is 0.721 inch and with GMR of 0.0243 ft. Determine the capacitance per phase of the line in microfarad per km.
A single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of ground
A 300 km long 3-phase transmission line of 154 kV is operated at 60 Hz. The line is on average 1200 m above sea level and instead At 120m, an air outlet decreases by 10 mmHg. Sea free air the dose is 760 mmHg and the puncture strength of the air is 30 kV / cm As it is known, the roughness of the line is 0.89 for the average outdoor temperature of 34 oC, The distance between the conductors is 550 cm and the conductor cross section is 40mm. along the line by calculating the corona voltage and corona discharge voltage calculate the total corona loss that occurred.
A 200 km, 3-phase transmission line has its conductors placed at the corners of an equilateral triangle of 2·5 m side. The radius of each conductor is 1 cm. Calculate : Inductive reactance of aline line to neutral capacitance of the line charging current per phase if the line is maintained at 66 kV, 50 Hz.
A power of 90+j70 MVA is drawn from the end of a 220 km three-phase transmission line with a voltage of 380 kV. The following values are given for the line: z = 0.166 + j0.86 Ω/km and y = j6x10^(−6) w/km .Calculatethe sending end voltage, sending end current and efficiency for each of the following cases. 1-)Using short transmission line approximation. 2-)Using long transmission line approximation.

SEE MORE QUESTIONS

Recommended textbooks for you

Introductory Circuit Analysis (13th Edition)

Electrical Engineering

ISBN:

9780133923605

Author:

Robert L. Boylestad

Publisher:

PEARSON

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Programmable Logic Controllers

Electrical Engineering

ISBN:

9780073373843

Author:

Frank D. Petruzella

Publisher:

McGraw-Hill Education

Introductory Circuit Analysis (13th Edition)

Electrical Engineering

ISBN:

9780133923605

Author:

Robert L. Boylestad

Publisher:

PEARSON

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Programmable Logic Controllers

Electrical Engineering

ISBN:

9780073373843

Author:

Frank D. Petruzella

Publisher:

McGraw-Hill Education

Fundamentals of Electric Circuits

Electrical Engineering

ISBN:

9780078028229

Author:

Charles K Alexander, Matthew Sadiku

Publisher:

McGraw-Hill Education

Electric Circuits. (11th Edition)

Electrical Engineering

ISBN:

9780134746968

Author:

James W. Nilsson, Susan Riedel

Publisher:

PEARSON

Engineering Electromagnetics

Electrical Engineering

ISBN:

9780078028151

Author:

Hayt, William H. (william Hart), Jr, BUCK, John A.

Publisher:

Mcgraw-hill Education,

SEE MORE TEXTBOOKS