Am Nnachi Gideon a final year student of electrical engineering from University Of Nigeria (UNIZIK).
Am presenting a seminar on Differential Protection of Power transformer.
Am here in search of material for the said seminar topic achievement.
Please help me ....etc

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APPLICATION OF CURRENT DIFFERENTIAL PROTECTION TO TAPPED TRANSMISSION LINES
1. Introduction
Microprocessor-based current differential relays offer superior protection for power transmission lines. The key advantages over distance relays include better sensitivity for high resistance faults, 100% line protection, and better performance in the single-pole-tripping mode, particularly during evolving and cross-country faults. Besides the well-known requirements of high-speed communication and sampling synchronization, a microp ....etc

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th sem)Hai my name is Manu, i am studying B.E. (EE , 8th sem). I know the concept of fuzzy logics, bt hoe to do it for FUZZY LOGIC BASED DIFFERENTIAL RELAY FOR POWER TRANSFORMER PROTECTION.? This i chosen as my B.E project. send me the details about this project.?

This is my mail id:[email protected] ....etc

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kindly furnished me with what this topic is about i.e steps to achieve the project up to P.hD level ....etc

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TRANSFORMER PRO TECTION USING NUMERICAL RELAY
PROJECT REPORT
Submitted by
AMBILY G ASHA V N SHYAMA K
INTRODUCTION
The aim of this project is to analyze and upgrade existing transformer protection system in BPCL Kochi Refinery. Transformers are static devices totally enclosed and generally oil immersed. Therefore, chances of faults occurring on them are very rare. However the consequences of even a rare fault may be very serious unless the transformer is quickly disconnected from the system. This necessitates providing ....etc

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to get information about the topic differential protection of transformer related topic refer the page link bellow

http://seminarsprojects.net/Thread-power-differential-protection ....etc

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System for power transformer differential protection
In this invention, Current transformer (CT) secondary currents for the windings of a power transformer are used to produce a differential current and An operating current value is obtained from the differential current value. A restraining current value is obtained from processed winding current values.

TECHNICAL FIELD:
It pertains to the transformer internal fault protection for electric power transformers

BACKGROUND
In the occurrence of internal faults in a ....etc

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A FREQUENCY CONTROL METHOD FOR REGULATING WIRELESS POWER TO IMPLANTABLE DEVICES
Submitted By:
Sreesyam k
S7 AE
Roll no.65



ABSTRACT

This paper presents a method to regulate the power transferred over a wireless page link by adjusting the resonant operating frequency of the primary converter. A significant advantage of this method is that effective power regulation is maintained under variations in load, coupling and circuit parameters. This is particularly im ....etc

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Testing Numerical Transformer Differential Relays



INTRODUCTION

Commissioning versus Maintenance Testing
Types of Transformer Differential Protection:
Restrained Phase Differential
High Set Phase Differential
Ground Differential

Commissioning

Common Practice:
Test all numerical relay settings
verify settings properly entered
Easily facilitated using computer
automate test set & store results
Hundreds of tests are possible
numerical relays have many settings

C ....etc

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Linearly Variable Differential Transformer - LVDT

History

1831: Michael Faraday discovered current could be induced in a conductor by a magnetic field
U.S. Patent of G.B. Hoadley (1940)
First noted that the LVDT output amplitude varies linear with core displacement ....etc

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