Answered: 6-For 400 MJ stored energy in the rotor…

6-For 400 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 50 MVA, 11 kV? a) 2 MJ/MVA b) 4 MJ/MVA c) 6MJ/MVA d) 8MJ/MVA

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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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

6-For 400 MJ stored energy in the rotor at synchronous speed, what is the inertia constant
H for a 50 Hz, four pole turbo generator rated 50 MVA, 11 kV?
a) 2 MJ/MVA b) 4 MJ/MVA c) 6MJ/MVA d) 8MJ/MVA

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