A three phase Y‐connected balanced load having phase impedance of 40 + j30, The neutral is grounded through a 10 resistor. Find the sequence impedance matrix. Using symmetrical components, determine the phase currents when connected to unbalanced supply of voltages Va=380∠0 ̊V, Vb=280∠‐140 ̊ V and Vc=160∠90 ̊ V.
A three phase Y‐connected balanced load having phase impedance of 40 + j30, The neutral is grounded through a 10 resistor. Find the sequence impedance matrix. Using symmetrical components, determine the phase currents when connected to unbalanced supply of voltages Va=380∠0 ̊V, Vb=280∠‐140 ̊ V and Vc=160∠90 ̊ V.
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
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A three phase Y‐connected balanced load having phase impedance of 40 + j30, The neutral
is grounded through a 10 resistor. Find the sequence impedance matrix. Using symmetrical
components, determine the phase currents when connected to unbalanced supply of voltages
Va=380∠0 ̊V, Vb=280∠‐140 ̊ V and Vc=160∠90 ̊ V.
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