A load of 1,000 kW at 0.8 pf lagging is received at the end of a 3 phase line 20 km long. The resistance and reactance of each conductors are 0.25 ohm and 0.28 ohm per kilometer. If the sending end line is maintained at 11.84 kV, calculate: Receiving end line to line voltage Sending end power Efficiency

A load of 1,000 kW at 0.8 pf lagging is received at the end of a 3 phase line 20 km long. The resistance and reactance of each conductors are 0.25 ohm and 0.28 ohm per kilometer. If the sending end line is maintained at 11.84 kV, calculate: Receiving end line to line voltage Sending end power Efficiency

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.51P: A three-phase line with an impedance of (0.2+j1.0)/ phase feeds three balanced three-phase loads...

See similar textbooks

Similar questions

three-phase line 3 kilometre long delivers 3000 KW at a power factor 0.8 lagging to load the resistance and reactance per kilometre of each conductor are 0.54 home and 0.3 m respectively if the voltage at a supply and is maintained at 11KV calculate receiving and voltage line to line line current transmission efficiency
A 46-kv 0.8-lagging power factor load is connected to the end of a short transmission line where the voltage is 230. If the line resistance and reactance are 0.06 and 0.08 ohm, respectively, calculate the voltage at the sending end.
A 30 mile, 3-phase transmission line delivers 8,000 kW at 33 kV, p.f. 0.8 lagging. The resistance and reactance of single conductor are 0.6 ohm and 0.72 ohm respectively per mile. Find the voltage at the sending end in kV.
A short 3 phase transmission line, connected to a 33kV, 50 Hz generating station at the sending end is required to supply a load of 10Megawatts at 0.8 power factor lagging, 30kV at the receiving end. If the minimum transmission line efficiency is to be limited to 96%, estimate the per phase values of resistance and inductance of the line.
A load of 1,250 kVA at 0.8 p.f. lagging is received at the end of a 3-phase line 20 km long. The resistance and reactance of each conductor are 0.25ohm and 0.28 ohms per km. If the receiving end line voltage is maintained at 11 kV, calculate : (a) sending end voltage (line-to-line) (b) percentage regulation (c) transmission efficiency
1. A load of 1000 kW at 0•8 power factor lagging is received at the end of a 3-phase line 20 km long. The resistanceand reactance of conductor are 0•25 Ω per km and 0•28 Ω per km. If the receiving end line voltage is maintained at11 kV, calculate:(i) Sending end voltage (line-to-line) (ii) percentage regulation and (iii) Transmission efficiency
470 kVA load at 12 kV. Its resistance is 7 Ω and inductive reactance is 7 Ω if the load power factor is 0.9 lagging. Determine the Current through the line , Sending end voltage , Sending end power factor , Regulation of transmission line , Efficiency of transmission line Note:please do not handwriting
A short 3-phase transmission line connected to a 33kV, 50 Hz generating station at the sending end is required to supply a load of 10 MW at 0.8 lagging power factor at 30 kV at the receiving end. If the minimum transmission efficiency is to be limited to 96%, estimate the per phase value of resistance and inductance of the line.
An energy transmission line with a length of 130 km transmits 150MVA of power at 380 kV voltage. The conductors used have a conductivity of 35 [m / mm mm²] and a diameter of 28.11mm. The final temperature reached by this transmission line is 66 degrees. (NOTE = temperature coefficient of conductor a20deg = 0.00403deg ^ -1) Approximately how many kWatts is the total loss in the three-phase line at 20 degrees?
The resistance and reactance of the single-phase 60Hz transmission line conductors are 7.6 ohm and 6.6 ohm respectively. The transmission line delivers 20MW at a power factor of 0.66 lagging to the load with 54kV receiving end voltage. Determine the following a) The inductance of the transmission line in mH b) Sending end power factor c) Percentage voltage regulation d) Percentage Efficiency
A 3-phase transmission line delivers 4500 KVA at a p.f. 0.8 lagging to a load. If the sending end voltage is 33 kV, determine (a) the receiving end voltage (b) line current (c) transmission efficiencv. The resistance and reactance of each conductor are 5.31 ohms and 5.54 ohms respectively.
A load of 4000 kW at 0•8 power factor lagging is received at the end of a 3-phase line 3 km long. The resistance andreactance of conductor are 0•5 Ω per km and 1•334 Ω per km. If the receiving end line voltage is maintained at 11 kV,calculate: (i) Sending end voltage (line-to-line) (ii) percentage regulation and (iii) Transmission efficiency