1. The Open Circuit Curve of a 2000 V,900KVA Synchronous Generator is given below. Line voltage(volt) 500 1000 1500 2000 2400 2760 3080 3360 Field current(amp) 1 3 4 5 6 7 8 The armature resistance is 0.1 ohm and its synchronous reactance is 1.3 ohm.The friction and windage losses are 16 kW and core losses are 13 kW.The generator is Y connected.Frequency is 60 Hz.Number of poles is 4. The 3-phase lond is connected as Y. (a)Assume that the generator operates at 80% of the rated load.The load voltage is the rated voltage.Calculate the internal voltage at 0.85 pf leading load.What will be the corresponding field current? (b)Calculate the Voltage Regulation.

1. The Open Circuit Curve of a 2000 V,900KVA Synchronous Generator is given below. Line voltage(volt) 500 1000 1500 2000 2400 2760 3080 3360 Field current(amp) 1 3 4 5 6 7 8 The armature resistance is 0.1 ohm and its synchronous reactance is 1.3 ohm.The friction and windage losses are 16 kW and core losses are 13 kW.The generator is Y connected.Frequency is 60 Hz.Number of poles is 4. The 3-phase lond is connected as Y. (a)Assume that the generator operates at 80% of the rated load.The load voltage is the rated voltage.Calculate the internal voltage at 0.85 pf leading load.What will be the corresponding field current? (b)Calculate the Voltage Regulation.

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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