Draw positive, negative, and zero sequence circuits for the given power system. Use thesymmetrical components method to find the fault currents in p.u. (magnitude and phase) inphases a, b, and c for a single-line-to-ground fault between phases 'a' and ground on bus 1 inthe given system. Assume the fault impedance to be zero.Y (G₁)X (G₂₂)jo.11.Ti3Δ ΔwwSystem data in p.u.:T₂mmxLI2T33½سل كسها0.120.12jo.04X1X₂ Xo0.080.080.08 0.08G₁G₂G30.10 0.10T₁ 0.12 0.12T₂0.120.12T30.120.12L₁0.08 0.08 0.240.030.030.040.12G3Jo.1

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Draw positive, negative, and zero sequence circuits for the given power system. Use th symmetrical components method to find the fault currents in p.u. (magnitude and phase) in phases a, b, and c for a single-line-to-ground fault between phases 'a' and ground on bus 1 the given system. Assume the fault impedance to be zero. 1 Y (G₁) T₁ 36 Δ Δ T₂ दिये उर्दू Ý Ý jo.11. System data in p.u.: LI G₁ G₂ 2 T3 3 ΥΔ 210.04 Xo X₁ X₂ 0.08 0.08 0.03 0.08 0.08 0.03 G3 0.10 0.10 0.04 T₁ 0.12 0.12 0.12 T₂ 0.12 0.12 0.12 T3 0.12 0.12 0.12 L₁ 0.08 0.08 0.24 G3 Y jo.l

Draw positive, negative, and zero sequence circuits for the given power system. Use th symmetrical components method to find the fault currents in p.u. (magnitude and phase) in phases a, b, and c for a single-line-to-ground fault between phases 'a' and ground on bus 1 the given system. Assume the fault impedance to be zero. 1 Y (G₁) T₁ 36 Δ Δ T₂ दिये उर्दू Ý Ý jo.11. System data in p.u.: LI G₁ G₂ 2 T3 3 ΥΔ 210.04 Xo X₁ X₂ 0.08 0.08 0.03 0.08 0.08 0.03 G3 0.10 0.10 0.04 T₁ 0.12 0.12 0.12 T₂ 0.12 0.12 0.12 T3 0.12 0.12 0.12 L₁ 0.08 0.08 0.24 G3 Y jo.l

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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A three-phase synchronous generator produces 10 MVA power under a rated voltage of 10 kV. Zero sequence component reactance of this generator is given as X0 = j0.1 pu, positive sequence component reactance X1 = j0.1 pu and negative sequence component reactance X2 = j0.1 pu, and the star point of this generator is given as Xn = j1 Ω grounded. a) Calculate the real value of the fault current that will occur in the three-phase short circuit fault at the output of this generator. (The actual value of the fault current will be calculated and entered AS INTENT (such as 3550. Values entered as per unit will not be accepted.) b) Calculate the real value of the fault current that will occur in the case of single phase-ground short circuit fault at the output terminal ends of this generator. (The actual value of the fault current will be calculated and INTENT (such as 3550) will be entered. Values entered as per unit will not be accepted.) c) Calculate the real value of the fault current…
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33
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1- Which of the following is true in decoupled load flow method a- Jacobians J1 and J2 are considered b-Jacobians J2 and J3 are considered c-Jacobians J2 and J3 are neglected d- Jacobians J1 and J2 are neglected 2-If all the three sequence currents at the fault point in a power system are equal, then the type of the fault is a.Line to line fault b.Three phase fault c.Double line to ground fault d.Single line to ground fault
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