9. Three 50-ohm resistors are connected in star across 400 V, 3-phase supply. If one o the resistors is disconnected, then the line current will be a. 8 A b. 13.85 A c. 4 A d. 0 A 400-V, 3-phase, 4-wire service mains supplies a star connected load. The resistance of each line is 0.1 ohms and 10. that of the neutral 0.2 ohm. The load impedances are z; = (6 + 19) ohms 1 Z: = 8 ohms ; Za = )6 - 18) ohms. Calculate the current in the neutral. a. 56.22 A b. 50.06 A c. 45.18 A d. 49.35 A
9. Three 50-ohm resistors are connected in star across 400 V, 3-phase supply. If one o the resistors is disconnected, then the line current will be a. 8 A b. 13.85 A c. 4 A d. 0 A 400-V, 3-phase, 4-wire service mains supplies a star connected load. The resistance of each line is 0.1 ohms and 10. that of the neutral 0.2 ohm. The load impedances are z; = (6 + 19) ohms 1 Z: = 8 ohms ; Za = )6 - 18) ohms. Calculate the current in the neutral. a. 56.22 A b. 50.06 A c. 45.18 A d. 49.35 A
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter17: Resistive-inductive Series Circuits
Section: Chapter Questions
Problem 1RQ: 1. What is the relationship of voltage and current (concerning phase angle) in a pure resistive...
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