[PDF] Top 20 Transformers on-load exciting current Park`s vector approach as a tool for winding faults diagnostics
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Transformers on-load exciting current Park`s vector approach as a tool for winding faults diagnostics
... Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing malfunctions in operating three-phase induction motors, power electronics and adjustable speed drives ... See full document
7
Power transformers winding fault diagnosis by the on-load exciting current extended Park's vector approach
... based on the analysis of vibration, excitation current, magnetic leakage flux, thermography, winding resistance or winding ...taking transformers out of service, and which can also ... See full document
17
On-line diagnostics of transformer winding insulation failures, by Park's Vector Approach
... resistor load and 1% of intermittent shorted turns in the phase R of the transformer primary winding, the simulated primary-side phase current Park's Vector pattern is shown in ...Park's ... See full document
7
A permeance-based transformer model and its application to winding interturn arcing fault studies
... power transformers under the occurrence of permanent or intermittent winding insulation ...based on the simultaneous consideration of both magnetic and electric equivalent ...internal faults ... See full document
10
Incipient turn-to-turn winding fault diagnosis of power transformers by the on-load exciting current Extended Park`s Vector Approach
... primary winding fault, the short-circuited turns act as an autotransformer load on the winding, as shown in ...place on the secondary winding, the short-circuited turns act as an ... See full document
7
Intermittent turn-to-turn winding faults diagnosis in power transformers by the on-load exciting current Park's Vector Approach
... Park's Vector Approach, has demonstrated the effectiveness of this non inva- sive technique for diagnosing malfunctions in operating three- -phase induction motors, power electronics and adjustable speed ... See full document
7
Detection of trasformer intermittent winding faults by the on-load exciting current Park`s vector approach
... Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing malfunctions in operating three-phase induction motors, power electronics and adjustable speed drives ... See full document
11
A Comprehensive Method for the Modeling of Axial Air-gap Eccentricities in Induction Motors
... At this stage, a simple numerical integration instead of double integration could be used to evaluate (31). If there is another axial dependency (like air-gap variation due to the slot permeance effects accounting for ... See full document
9
Microlearning of web fundamentals based on mobile learning
... complex information, especially for those whose language of education is English.[2] To develop such a mobile application that will give possibility for students to learn material easily and quickly. This idea is ... See full document
3
Diagnóstico de avarias em transformadores trifásicos em serviço através da análise do Vector de Park das correntes de excitação em carga
... O trabalho desenvolvido demonstrou ser possível diagnosticar a ocorrência de curtos- -circuitos entre espiras dos enrolamentos de transformadores trifásicos em serviço, através da monitorização da Transformada Complexa ... See full document
13
The Current State of Neoadjuvant Chemotherapy for Muscle-Invasive Bladder Cancer
... There is in fact no evidence for the irst two disadvantages of NAC in the literature. Although published trials regarding the negative impact of delayed radical cystectomy only include series of chemo-naïve patients, ... See full document
6
Diagnostics of primary immunodeficiency diseases: a sequencing capture approach.
... practice. Current diagnostic procedures for PID are highly complex, and involve an array of specialized testing including lymphocyte proliferation and cytotoxicity assays, flow cytometry, measurement of serum ... See full document
15
Technical Losses Reduction in Underground Reticulated Distribution Systems using Artificial Neural Networks and Smart Grid Features
... based on Artificial Neural Networks (ANN), for the reduction of technical losses in reticulated underground systems through the optimal control of the capacitor banks (CBs) present in the ...for current ... See full document
9
A coupled electromagnetic transformer model for the analysis of winding inter-turn short-circuits
... same load conditions and transformer winding connections mentioned above, ...side current Park's Vector patterns, for several percentages of shorted turns in the primary windings and for ... See full document
7
Electricity load demand forecasting in Portugal using least-squares support vector machines
... the on-line adaptation is not an easy task for this approach, led demand for new ways to make the prediction, promising better results, or at least as good as those of RBF ANN, and also the ability to ... See full document
63
A STUDY OF THE ELECTROMAGNETIC FIELD FROM THE MCSEM DIPOLE SOURCE IN AN ANISOTROPIC LAYERED EARTH
... MATHEMATICAL FORMULATION OF THE PROBLEM We follow the classical procedure of first calculating the fields from the source in an unbounded homogeneous medium, and then using these as incident fields on the layered ... See full document
18
Sba Controle & Automação vol.23 número3
... toroidal transformers provide the necessary ...output current of the HCPL3140 and the total gate charge required by the IRGB15B60KD, the minimum value of Rg can be determined according to the guideline ... See full document
16
Smart Web-Based Platform to Support Physical Rehabilitation
... parameters on the level that semantics comply with a therapist’s analysis of an ...passed on to be analyzed on symmetrical values and coordination between the different HMM ... See full document
21
An interactive Tool for Writer Identification based on Offline Text Dependent Approach
... based on the fractal behavior of the writing for writer ...based approach for writer identification and verification built an individual recognizer for each writer and train it with text lines of writer was ... See full document
8
Sba Controle & Automação vol.16 número3
... The ß parameter establishes different slopes for the magnetic trajectories. The best value of ß is obtained from compar- isons of magnetic paths generated by equation (1) and equa- tion (2) with paths obtained by ... See full document
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