Open Circuit Breaker B52. Using per unit and symmetrical component analysis, calculate the power system fault currents at Bus 2 (Line 2 out of service) for the Ø-G faults 400 MVA 15 kV B1 T1 T2 Ak 400 MVA 15/345 kV LV Δ Δ 851 0- HV Y Y 04 852 345 KV 100 mi 821 2 Line 2 Gen Xd" (per unit) X2 (per unit) 1 0.225 0.225 2 0.20 0.20 Transformer Data: Line 3 345 kV 50 mi 280 Mvar o Xpu (+/-/0) 0.06 0.05 Line 1 841 0 842 345 KV 200 mi 822 800 MW T2 800 MVA 345/15 kV XO (per unit) 0.0625 0.045 83 40 Mvar 80 MW 800 MVA 15 kV Sbase=100MVA Vbase Bus1 = 15kV Vbase Bus 3 = 15kV Vbase Lines = 345kV Neutral Reactance (pu) Xd' (per unit) Solidly grounded 0.45 0.20 0.40

Open Circuit Breaker B52. Using per unit and symmetrical component analysis, calculate the power system fault currents at Bus 2 (Line 2 out of service) for the Ø-G faults 400 MVA 15 kV B1 T1 T2 Ak 400 MVA 15/345 kV LV Δ Δ 851 0- HV Y Y 04 852 345 KV 100 mi 821 2 Line 2 Gen Xd" (per unit) X2 (per unit) 1 0.225 0.225 2 0.20 0.20 Transformer Data: Line 3 345 kV 50 mi 280 Mvar o Xpu (+/-/0) 0.06 0.05 Line 1 841 0 842 345 KV 200 mi 822 800 MW T2 800 MVA 345/15 kV XO (per unit) 0.0625 0.045 83 40 Mvar 80 MW 800 MVA 15 kV Sbase=100MVA Vbase Bus1 = 15kV Vbase Bus 3 = 15kV Vbase Lines = 345kV Neutral Reactance (pu) Xd' (per unit) Solidly grounded 0.45 0.20 0.40

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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