1. The open circuit characteristic of a 3-phase 10 MVA, 13 kV, 50 Hz, Star connected synchronous generator is as follows: It (A) 50 75 100 125 150 162.5 200 250 300 Voc (L-L) 6.2 8.7 10.5 11.8 12.8 13.2 14.2 15.2 15.9 (kV) An excitation of 100A causes the full load current to flow during the short-circuit test. Calculate the saturated synchronous reactance and the corresponding Short- Circuit Ratio (SCR). Assume resistance is neglected. Base impedance =10 Ohms.

1. The open circuit characteristic of a 3-phase 10 MVA, 13 kV, 50 Hz, Star connected synchronous generator is as follows: It (A) 50 75 100 125 150 162.5 200 250 300 Voc (L-L) 6.2 8.7 10.5 11.8 12.8 13.2 14.2 15.2 15.9 (kV) An excitation of 100A causes the full load current to flow during the short-circuit test. Calculate the saturated synchronous reactance and the corresponding Short- Circuit Ratio (SCR). Assume resistance is neglected. Base impedance =10 Ohms.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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