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Using the sequence network of the previous example, determine the phase currents of the loads and neutral current of the Y-load when the phase voltages are Va =V, =V =10020°V %3D %3D

Using the sequence network of the previous example, determine the phase currents of the loads and neutral current of the Y-load when the phase voltages are Va =V, =V =10020°V %3D %3D

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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/2020%20first/eeng417/Ch%203%20%20Symmetrical%20compone +の A Read aloud Draw Example 4: solution The sequence network as shown: The equivalent sequence impedances are: 30 j4 N V. Z, - 3 + j10 n Zo = Zy+ 3Z, = 3+ j4+ 3(j2) = 3+ j10 2 3(j 2) n Zero-sequence network (3+j4)(-j30/3) 3+ j4-j(30/3) Z, = Zy//(ZA/3)%3D (5/53.13 )(10/-90°) 6.708/-63.43 7.454/26.57 2 V. Z = (3 + j4-j10) 141 7:454/26.57 n Z2 = Z1 = 7.454/26:57 2 Positive-sequence network 14 0 Z, - 2 - 7.454/26 57 0 Negative-sequence network EENG417 by Dr Fadhel Albasri 17 Exercise: • Using the sequence network of the previous example, determine the phase currents of the loads and neutral current of the Y-load when the phase voltages are V =V, =V, =10020°V
Transcribed Image Text:/2020%20first/eeng417/Ch%203%20%20Symmetrical%20compone +の A Read aloud Draw Example 4: solution The sequence network as shown: The equivalent sequence impedances are: 30 j4 N V. Z, - 3 + j10 n Zo = Zy+ 3Z, = 3+ j4+ 3(j2) = 3+ j10 2 3(j 2) n Zero-sequence network (3+j4)(-j30/3) 3+ j4-j(30/3) Z, = Zy//(ZA/3)%3D (5/53.13 )(10/-90°) 6.708/-63.43 7.454/26.57 2 V. Z = (3 + j4-j10) 141 7:454/26.57 n Z2 = Z1 = 7.454/26:57 2 Positive-sequence network 14 0 Z, - 2 - 7.454/26 57 0 Negative-sequence network EENG417 by Dr Fadhel Albasri 17 Exercise: • Using the sequence network of the previous example, determine the phase currents of the loads and neutral current of the Y-load when the phase voltages are V =V, =V, =10020°V
Example 4 Sequence networks: balanced-Y and balanced-A loads A balanced-Y load is in parallel with a balanced-A-connected capacitor bank. The Y load has an impedance Zy = (3 + j4) 2 per phase, and its neutral is grounded through an inductive reactance X, = 2 Q. The capacitor bank has a reactance X. = 30 N per phase. Draw the sequence networks for this load and calculate the load-sequence impedances. 16
Transcribed Image Text:Example 4 Sequence networks: balanced-Y and balanced-A loads A balanced-Y load is in parallel with a balanced-A-connected capacitor bank. The Y load has an impedance Zy = (3 + j4) 2 per phase, and its neutral is grounded through an inductive reactance X, = 2 Q. The capacitor bank has a reactance X. = 30 N per phase. Draw the sequence networks for this load and calculate the load-sequence impedances. 16
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