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[PDF] Top 20 Power transformers winding fault diagnosis by the on-load exciting current extended Park's vector approach

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Power transformers winding fault diagnosis by the on-load exciting current extended Park's vector approach

Power transformers winding fault diagnosis by the on-load exciting current extended Park's vector approach

... transformer winding fault for which to provide protection is the fault that initially involves only one turn ...insulation by an impulse voltage [15]. Initially, the insulation ... See full document

17

Detection of trasformer intermittent winding faults by the on-load exciting current Park`s vector approach

Detection of trasformer intermittent winding faults by the on-load exciting current Park`s vector approach

... presents the on-load exciting current Park's Vector pattern for the case of an YNyn0 winding connection and for a healthy operation of the ...from the ... See full document

11

On-line diagnostics of transformer winding insulation failures, by Park's Vector Approach

On-line diagnostics of transformer winding insulation failures, by Park's Vector Approach

... transformer winding fault for which to provide protection is the fault that initially involves only one turn, IEEE ...Initially, the insulation breakdown leads to internal arcing, which ... See full document

7

A permeance-based transformer model and its application to winding interturn arcing fault studies

A permeance-based transformer model and its application to winding interturn arcing fault studies

... concerning the use of the Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing malfunctions in oper- ating three-phase induction ... See full document

10

Intermittent turn-to-turn winding faults diagnosis in power transformers by the on-load exciting current Park's Vector Approach

Intermittent turn-to-turn winding faults diagnosis in power transformers by the on-load exciting current Park's Vector Approach

... transformer winding fault for which to provide protection is the fault that initially involves only one turn ...Initially, the insulation breakdown leads to internal arcing, which ... See full document

7

Incipient turn-to-turn winding fault diagnosis of power transformers by the on-load exciting current Extended Park`s Vector Approach

Incipient turn-to-turn winding fault diagnosis of power transformers by the on-load exciting current Extended Park`s Vector Approach

... In the presence of a primary winding fault, the short-circuited turns act as an autotransformer load on the winding, as shown in ...if the fault takes ... See full document

7

Transformers on-load exciting current Park`s vector approach as a tool for winding faults diagnostics

Transformers on-load exciting current Park`s vector approach as a tool for winding faults diagnostics

... concerning the use of the Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing malfunctions in operating three-phase induction ... See full document

7

Analyzing and Evaluating the Amount of Power Consumption Used by Current Power-Saving-Applications on Android Smartphones

Analyzing and Evaluating the Amount of Power Consumption Used by Current Power-Saving-Applications on Android Smartphones

... features: By exploring the battery saving features, it is clear that there is various ROM s that could be customized like the Lineage Operating system thus these applications help in setting ... See full document

14

A Comprehensive Method for the Modeling of Axial Air-gap Eccentricities in Induction Motors

A Comprehensive Method for the Modeling of Axial Air-gap Eccentricities in Induction Motors

... to the slot permeance effects accounting for the skew), it should be remembered that the use of a double numerical integration in order to calculate (16) remain the obvious ...unlike ... See full document

9

Unified Power Quality Conditioner for voltage and current compensation

Unified Power Quality Conditioner for voltage and current compensation

... utilizes power electronic based power processing devices for getting higher efficiency, accurate controllability, faster response and compact ...But on the other side, due to the ... See full document

6

Software System for Finding the Incipient Faults in Power Transformers

Software System for Finding the Incipient Faults in Power Transformers

... study the phenomenon of partial discharge, a simple model with insulation between copper conductor and steal tank is ...or on a dielectric surface of a solid or liquid insulation ...bridges the gap ... See full document

5

Faults Classification of a Scooter Engine Platform Using Wavelet Transform and Artificial Neural Network

Faults Classification of a Scooter Engine Platform Using Wavelet Transform and Artificial Neural Network

... mechanical fault diagnosis using wavelet analysis has developed in the last few ...decades. The wavelet analysis technique has become one of the important approaches in the field ... See full document

6

Non Intrusive Load Identification with Power and Impedance obtained from Smart Meters

Non Intrusive Load Identification with Power and Impedance obtained from Smart Meters

... with the electrical features obtained for each typical load. The state of each load is indicated as an output of the neural network, allowing constant knowledge of the impact of ... See full document

10

A Game-Theoretic approach to Fault Diagnosis of Hybrid Systems

A Game-Theoretic approach to Fault Diagnosis of Hybrid Systems

... is the case of wide manu- facturing plants, agents systems, robotics and physical ...way, the notion of hybrid automata has been introduced [2, ...In the last years, a wide spectrum of modeling ... See full document

13

Power System Fault on Modern Numerical Relays

Power System Fault on Modern Numerical Relays

... In the case of parallel lines, inductive coupling of the current circuits is ...present. On transposed lines, only the zero sequence system is negatively influenced by this ... See full document

6

Condition monitoring and diagnostics of power transformers

Condition monitoring and diagnostics of power transformers

... dominated by national or regional monopolies. During the last years, this picture has changed drastically, particularly in Europe and in the ...USA. The trend towards free competition and ... See full document

11

Sba Controle & Automação  vol.15 número2

Sba Controle & Automação vol.15 número2

... validate the study. The test consists in reducing the first transformer volt- age in order to reduce the voltage at the machine ter- minals, simulating a fault on ... See full document

9

Online Monitoring of Transformers with Digital Fault Recorder Signals: Case Studies from Indonesian System

Online Monitoring of Transformers with Digital Fault Recorder Signals: Case Studies from Indonesian System

... assess the turn ratio, magnetization current, short-circuit impedance and power loss while the transformer is in ...magnetizing current, short-circuit impedance, power loss will ... See full document

6

Sba Controle & Automação  vol.20 número2

Sba Controle & Automação vol.20 número2

... running on an Intel Pentium ...ment. The predictor-corrector IPM approach was tested for the Brazilian Power System (BPS), a predominantly hydro system (90%) with 3,535 buses, 4,238 ... See full document

11

Technical Losses Reduction in Underground Reticulated Distribution Systems using Artificial Neural Networks and Smart Grid Features

Technical Losses Reduction in Underground Reticulated Distribution Systems using Artificial Neural Networks and Smart Grid Features

... provided the results of the power losses in the distribution lines of each ...simulates the input / output of the 12 CBs in the network and all possible combinations for ... See full document

9

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