For a star connected three phase balanced system, ________________ a. None of these b. Phase voltage is equal to square root three times line voltage and phase current is equal to line current c. Phase voltage is equal to line voltage and line current is equal to phase current d. Phase voltage is equal to line voltage and phase current is three times the line current

For a star connected three phase balanced system, ________________ a. None of these b. Phase voltage is equal to square root three times line voltage and phase current is equal to line current c. Phase voltage is equal to line voltage and line current is equal to phase current d. Phase voltage is equal to line voltage and phase current is three times the line current

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

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.6P

See similar textbooks

Similar questions

A Y-connected load bank with a three-phase rating of 500 kVA and 2300 V consists of three identical resistors of 10.58. The load bank has the following applied voltages: Vab=184082.8,Vbc=276041.4, and Vca=2300180V. Determine the symmetrical components of (a) the line-to-line voltages Vab0,Vab1, and Vab2, (b) the line-to-neutral voltages and Van0,Van1, and Van2, (c) and the line currents Ia0,Ia1, and Ia2. (Note that the absence of a neutral connection means that zero-sequence currents are not present.)
In a balanced three-phase Y-connected system with a positive-sequence source, the line-to-line voltages are 3 times the line-to-neutral voltages and lend by 30. (a) True (b) False
A single-line diagram of a three-phase balanced system is given below. A bolted threephase short circuit occurs at point P, when the operating voltage was 21 kV there. Calculate the rated interrupting current rating of circuit breaker A, D and E, both in per unit and Ampere value. Answer follow image.
Each line of a 3-phase system is suspended by a string of 3 similar insulators. If the voltage across the line unit is 17·5 kV, calculate the line to neutral voltage and string efficiency. Assume that shunt capaci- tance between each insulator and earthed metal work of tower to be 1/10th of the capacitance of the insulator.
In a 3-phase overhead system, each line is suspended by a string of 3 insulators. The voltage across the top unit (i.e. near the tower) and middle unit are 10 kV and 11 kV respectively. Calculate (i) the ratio of shunt capacitance to self capacitance of each insulator, (ii) the string efficiency and (iii) line voltage
In a three phase overhead system, each line is suspended by a string of three insulator. The voltage across top unit and the middle unit are 7 kV and 10 kV respectively. Calculate, a) Line voltage. b) String efficiency
3. A three-phase, three wire, CBA system with an a line voltage of 150 Volt, has three impedances of 5 – j 5 inDelta connection. Determine the line current, phase current, phase and line voltage, power factor, true power,reactive factor, apparent power and draw the voltage-current phasor diagram.
please write introduction about Analysis of 3 Phase star connected circuit Note:please write details by words
Draw an impedance diagram for the electric power system shown in the figure attached, showing all impedances in per unit on a 100-MVA base. Choose 20kV as the voltage base for generator. The three-phase power and line-line ratings are given in the figure attached.
In case of unbalanced 3-Φ, 4-wire system % voltage drop is… not possible to estimate same as in case of 3-Φ balanced system to be solved as a network problem it should estimate for each phase
2. A three-phase, three wire, CBA system with an a line voltage of 100 Volt, has three impedances of 5.0 / 30ᴼ inwye connection. Determine the line current, power factor, reactive factor and draw the voltage-current phasordiagram.
Benefits of 3 phase system over 1 phase system... Don't copy