detecting internal FAUlTS IN A TRANSFORMER WINDING
Presented by
RAKHI.M.S
EEE
College Of Engineering, Trivandrum
2007-11 batch



CONTENTS
Objectives
Introduction
Causes and Effects
Existing methods
Ratiometer method
Advantages and Limitations
Conclusion
Reference

OBJECTIVES

To detect the internal faults in a transformer winding
Detection of faults to take corrective measures to prevent interruption during operations
To improve the life expectancy of the trans ....etc

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This topic is devoted to the analysis of the mechanical behavior of filament-wound pipes. The process of filament winding makes it possible to produce rotating parts made of composite material containing polymers reinforced with long fibers. Most of the time, this process consists in winding a fiber tow coated with a thermosetting polymeric matrix around a mandrel, and thus covering the entire mandrel after successive passages. Following a polymerization phase, the mandrel can be removed in order to get only the composite structure. In certain ....etc

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The safety of future manned missions to the moon and Mars hinges upon a proper understanding of how fires behave in outer space zero gravity/ micro gravity environments. Past studies have been limited to low oxygen concentrations and configurations in which the high velocity fuel enters an oxidizing atmosphere. However, one important fire scenario in outer space is a high velocity high oxygen oxidizer jet encountering fuel (an inverse flame configuration). This study focuses on flame shapes of oxygen- enhanced flames in inverse and normal diffu ....etc

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PRESENTED BY
SHAYISTHA.N


INTRODUCTION
* Use of air gap magnetic flux probes-proven effective in detection of generator winding shorted turns
* Improve quality of predictive maintenance decision when or if to perform rework
* Can pinpoint the no: & location(pole & coil) of shorted turns without having to take generator offline
EFFECTS OF SHORTED TURNS IN ROTOR WINDINGS
* If percentage of total turns shorted out is small, the generator may be able to run at rated load for years without further proble ....etc

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ABSTRACT

This paper describes in detail, field experiments performed on a single-phase, distribution transformer to study the behavior of transformer terminal parameters during internal winding faults. A custom-built transformer provided with external taps was used for these tests. The taps were used to stage various internal winding faults in the transformer. Terminal values of voltages and currents were monitored and the results presented. A comparison of these results with simulation results is also presented


Presented By:
Palm ....etc

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Chapter 1
INTRODUCTION
Twelve to fifteen percentages of transformer failures are caused by winding deformations provoked by the high electrodynamics forces appearing during short circuits. These geometric vibrations lead to an increase of the winding vibration and, consequently, to an increase of the solid insulation mechanical fatigue. In this way, the isolation can be degraded and short circuit between turns will appear. On the other hand the change in the distance among the conductor implies a change in the serie ....etc

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dear sir i want project report of automatic coil winding machine for diploma level of student to teach them . so please send me a project report or ppt ....etc

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sir, i need a ppt on manufacturing process of 500mw stator winding ....etc

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Hi,
We want to start an robotic project for coil winding
We dont know the basic information about the robotic
Can you please explain about the robotic in details?
What is robotic?
How to learn the robitic principle?
How i will work in industry?
What can i do, to start the robotic project?
Type of robotic?
Notes for robotic for better understanding ?
How much budjet?
Thanks,
A.Gopanna
....etc

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