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transmission line fault detection using wavelet transform matlab simulation

This paper proposes fault detection and classification scheme for transmission line protection using WT and linear discriminant analysis (LDA). Current signals of each phase are used for the detection and identification of faulty phases and zero sequence currents are used for the detection of ground. Current signals are processed using discrete wavelet transform with DB-4 wavelet up to level 3. Approximate coefficients are reconstructed using wavelet reconstruction. Pe ....etc

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To get full information or details of matfuzzy approach to classification of fault in transmission line protection please have a look on the pages

http://infomesrattachments/W09-0030.pdf

http://ijcaonlinearchives/volume47/number22/7489-0543

if you again feel trouble on matfuzzy approach to classification of fault in transmission line protection please reply in that page and ask specific fields in matfuzzy approach to classification of fault in transmission line protection ....etc

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To get full information or details of Transmission Line Fault Detection Phase Selection using ANN please have a look on the pages

http://seminarsprojects.net/Thread-transmission-line-fault-detection-phase-selection-using-ann

http://seminarsprojects.net/Thread-transmission-line-fault-detection-using-ann-full-report

if you again feel trouble on Transmission Line Fault Detection Phase Selection using ANN please reply in that page and ask specific fields ....etc

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Fuzzy Logic and Fuzzy Sets


History

Lotfi Zadeh, at the University of California at Berkeley, first presented fuzzy logic in the mid-1960's.

Zadeh developed fuzzy logic as a way of processing data. Instead of requiring a data element to be either a member or non-member of a set, he introduced the idea of partial set membership.

In 1974 Mamdani and Assilian used fuzzy logic to regulate a steam engine.

In 1985 researchers at Bell laboratories developed the first fuzz ....etc

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Transmission Line Fault Detection Using ANN

Introduction
What is ANN?
An artificial neural network(ANN) is an information processing paradigm that is inspired by the way

biological nervous system such as brain process information

Artificial Neural network are powerful in pattern recognition and classification

Salient Feature Of ANN

Fault Type Classifiers

Power Network Simulation
A 230Kv Power system is simulated by using EMTDC electromagnetic transient
program
The proposed Neural Network
Netw ....etc

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Abstract
A novel application of neural network approach to protection of transmission line is demonstrated in this paper. Different system faults on a protected transmission line should be detected and classified rapidly and correctly. This paper presents the use of neural networks as a protective relaying pattern classifier algorithm. The proposed method uses current signals to learn the hidden relationship in the input patterns. Using the proposed approach, fault detection, classification and faulted phase selection could be achieved withi ....etc

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Summary
The main objectives of this paper are to perform fault analysis on an induction motor using both experiments and simulation, and to study failure identification techniques applied for condition monitoring of the motor and finally to design an On-line condition monitoring system with fuzzy logic controller using LabView. The work in this paper was divided into two phases. The phase one was concerned with the modeling of three-phase induction motor in three phase reference frame using Matlab/Simulink and designing an i ....etc

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transmission line fault detection using microcontroller

INTRODUCTION

A fault in electrical equipment is defined as a defect in its electrical circuit due to which the current is diverted from the intended path. Faults are generally caused by mechanical failure, accidents, excessive internal and external stresses etc. The fault impedance being low, the fault currents are relatively high. During the faults, the power flow is diverted towards the fault and the supply to the neighboring zone is affected. Voltages become unbalanced. It is necessa ....etc

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