A 50 Hz, four-pole turbo alternator rated at 20 MVA, 13.2 kV has an inertia constant H= 4 kW sec kVA. The KE. stored in the rotor at synchronous speed is: 80 kilojoules 40 Kilojoules 80 Megajoules 40 Megajoules

A 50 Hz, four-pole turbo alternator rated at 20 MVA, 13.2 kV has an inertia constant H= 4 kW sec kVA. The KE. stored in the rotor at synchronous speed is: 80 kilojoules 40 Kilojoules 80 Megajoules 40 Megajoules

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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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

A 50 Hz, four-pole turbo alternator rated at 20 MVA, 13.2 kV has an inertia
constant H= 4 kW sec/kVA. The KE. stored in the rotor at synchronous speed is:
80 kilojoules
40 Kilojoules
80 Megajoules
40 Megajoules

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