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A 230-kVA, 1100 V, Δ-connected, three-phase, synchronous generator has an average resistance of 0.3 Ωbetween any two of its terminals. With a particular field excitation and at its rated speed, the no-load voltage was 1000 V and the short-circuit current in each line was 121.24 A.Determine the synchronous impedance of the generator. If the rotational loss is 12 kW and the generator delivers the rated voltage at 80% rated load and 0.866 power factor lagging, determine its voltage regulation and efficiency using the per-unit system

A 230-kVA, 1100 V, Δ-connected, three-phase, synchronous generator has an average resistance of 0.3 Ωbetween any two of its terminals. With a particular field excitation and at its rated speed, the no-load voltage was 1000 V and the short-circuit current in each line was 121.24 A.Determine the synchronous impedance of the generator. If the rotational loss is 12 kW and the generator delivers the rated voltage at 80% rated load and 0.866 power factor lagging, determine its voltage regulation and efficiency using the per-unit system

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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A 230-kVA, 1100 V, Δ-connected, three-phase, synchronous generator has an average resistance of 0.3 Ωbetween any two of its terminals. With a particular field excitation and at its rated speed, the no-load voltage was 1000 V and the short-circuit current in each line was 121.24 A.
Determine the synchronous impedance of the generator. If the rotational loss is 12 kW and the generator delivers the rated voltage at 80% rated load and 0.866 power factor lagging, determine its voltage regulation and efficiency using the per-unit system

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