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:
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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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We want to start an robotic project for coil winding
We dont know the basic information about the robotic
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Type of robotic?
Notes for robotic for better understanding ?
How much budjet?
Thanks,
A.Gopanna
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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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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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