Bookcover of Loss of life of the mineral oil immersed transformers
Booktitle:

Loss of life of the mineral oil immersed transformers

LAP LAMBERT Academic Publishing (2015-11-12 )

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ISBN-13:

978-3-659-63006-4

ISBN-10:
3659630063
EAN:
9783659630064
Book language:
English
Blurb/Shorttext:
Transformers are one the most important facilities in electrical power systems where their operations are the main role in provides reliability of the systems themselves. Because of the cost of transformers and their permanent connections to the transmission and distribution systems, any improvement is needed to extend the life span of the transformers. Insulation life of the transformer and loading capabilities depend on several parameters i.e. cooling mood, ambient temperature, oil viscosity and, etc. Hot spot temperature has played the most effective factor on the insulation life of the transformer. To predict the hot spot temperature and top oil temperature, many principal models have been proposed such as the classic thermal model, Annex G, and thermal-electrical models. This research attempts to determine an accurate hot spot temperature and then evaluate the loss of life of the transformer according to the numerical analysis method. Top oil temperature and hot spot temperature were determined by an accurate thermal model which takes into account the dynamic parameters such as ambient temperature, oil viscosity, winding losses, and loading profile.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Mohammad Tolou Askari, Mohd. Zainal Abdin B. Ab. Kadir, Saeideh Bolandifar
Number of pages:
108
Published on:
2015-11-12
Stock:
Available
Category:
Electricity, magnetism, optics
Price:
54.90 €
Keywords:
Electrical Power Transformers, Oil Immersed Transformers, Loss of Life of the Transformers, Hot Spot Temparature, Dynamic thermal model

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