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 modelling of transformers with internal incipent faults full report
Post: #1

full report of modelling of transformers with internal incipent faults
Post: #2
if you ieee access please read http://ieeexplore.ieee.org/iel5/61/21528...ber=997926

or read similar one http://www.jatit.org/volumes/research-pa...uation.pdf
Post: #3
please send me the full report of this topic
Post: #4
please send me the full report on this seminars
Post: #5
see the post http://www.seminarprojects.org/t-modelli...29#pid8829 its ieee article if have access on it ...you can download it,....other wise ask your friends to download it...(i cant help you because i dont have ieee access)
Post: #6
Modeling Transformers With Internal Incipient Faults
The Incipient fault detection in transformers can provide
early warning of electrical failure and could prevent catastrophic
losses. a transformer model to simulate internal incipient faults is described here. deteriorating insulation
models with an internal short circuit fault model are combined here for developing the fault model. based on the physical behavior of aging insulation and the arcing
phenomena an aging
model and an arcing model was combined in parallel.

INTERNAL SHORT CIRCUIT FAULT MODEL
finite element analysis was used to analyse transformer
with an internal short circuit fault. This consisted of three steps:
1) meshing the problem space
into contiguous elements of suitable geometry and assigning
appropriate values of the material parameters like conductivity,
permeability, and permittivity.

2)the model has to be excited to set up the initial conditions.the current source is input
into the subcoil with the maximum number of turns and all the other coils are open-circuited.

3)assuming the boundary conditions: Balloon boundary is adopted in the simulation. Balloon
boundaries model the region outside the drawing space as
being nearly infinitely large.

DETERIORATING INSULATION MODEL
The deteriorating insulation between the turns is a major
cause of incipient internal winding faults in transformers. The aging and deterioration of the insulation is caused by the strong electric
field is applied to the dielectric material . thermal stresses, electrical stresses,
mechanical stresses, moisture etc cause the deterioration. Electrical stresses are caused by
the voltage gradient in the insulation.

for full details, refer this report:
http://psalserver.tamu.edu/main/papers/0...Butler.pdf
Post: #7
pls.......... send me the powerpoint presentation on the this topic
Post: #8
Sorry, the ppt of this topic is not available as of now. We will post it as soon as we get it.
Post: #9
please send the ppt and pdf of the seminars modelling of transformer with internal incipient faults
Post: #10
[attachment=6720]
LINEAR VOLTAGE DIFFERENTIAL TRANSFORMER

INTRODUCTION.

What is a transducer?
What is a LVDT?
What are its varieties?
Principle of operation
applications

what is a transducer?

A transducer is a device that converts one type of energy to another. E.g. : strain gauge, LVDT.
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