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Why is Vrn 11000/ sqrt 3. Why is it not multiplied by 3? Also is Vph 11kv or is 11kv a line voltage

Why is Vrn 11000/ sqrt 3. Why is it not multiplied by 3? Also is Vph 11kv or is 11kv a line voltage

Introductory Circuit Analysis (13th Edition)
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...
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Why is Vrn 11000/ sqrt 3. Why is it not multiplied by 3? Also is Vph 11kv or is 11kv a line voltage Vl?
e = 31 Veol. le I Cose P=3x11,000x 31. Cosllo
Transcribed Image Text:e = 31 Veol. le I Cose P=3x11,000x 31. Cosllo
An industrial unit operating at rated power can be represented by a balanced delta connected load (ZRY etc) of (600 + j120) Q and is connected to a 3- phase, 11 kV and 50 Hz supply. Draw the circuit diagram, indicating VRY, the yellow line current (IR) and the load phase current (IBr). Calculate: (i) The three load phase currents (IRY, IYB and Ibr). (ii) The three line currents (IR, Iy and Iß). The total real power, apparent power, reactive power and power factor at the 3 phase supply. (iii)
Transcribed Image Text:An industrial unit operating at rated power can be represented by a balanced delta connected load (ZRY etc) of (600 + j120) Q and is connected to a 3- phase, 11 kV and 50 Hz supply. Draw the circuit diagram, indicating VRY, the yellow line current (IR) and the load phase current (IBr). Calculate: (i) The three load phase currents (IRY, IYB and Ibr). (ii) The three line currents (IR, Iy and Iß). The total real power, apparent power, reactive power and power factor at the 3 phase supply. (iii)
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