[PDF] Top 20 On-line diagnostics of transformer winding insulation failures, by Park's Vector Approach
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On-line diagnostics of transformer winding insulation failures, by Park's Vector Approach
... difficult transformer winding fault for which to provide protection is the fault that initially involves only one turn, IEEE ...the insulation breakdown leads to internal arcing, which results into a ... 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
... study of winding inter-turn short-circuits occurrence presents some inherent difficulties: the current in the shorted turns must be limited to the rated current of the winding and the tappings ... See full document
7
Power transformers winding fault diagnosis by the on-load exciting current extended Park's vector approach
... costs of acquisition, replacement, transportation, installation and repairs are among the highest on the system ...policy of electric systems, each utility is trying to cut its costs, and the ... See full document
17
A permeance-based transformer model and its application to winding interturn arcing fault studies
... behavior of power transformers under the occurrence of permanent or intermittent winding insulation ...study of these phenomena, a simple and efficient permeance-based electromagnetic ... See full document
10
Intermittent turn-to-turn winding faults diagnosis in power transformers by the on-load exciting current Park's Vector Approach
... difficult transformer winding fault for which to provide protection is the fault that initially involves only one turn ...the insulation breakdown leads to internal arcing, which results into a low ... See full document
7
Detection of trasformer intermittent winding faults by the on-load exciting current Park`s vector approach
... use of the Park's Vector Approach, has demonstrated the effectiveness of this non-invasive technique for diagnosing malfunctions in operating three-phase induction motors, power electronics ... See full document
11
Transformers on-load exciting current Park`s vector approach as a tool for winding faults diagnostics
... difficult transformer winding fault for which to provide protection is the fault that initially involves only one turn ...the insulation breakdown leads to internal arcing, which results into a low ... See full document
7
Use of vibration measurements to determine the most suitable locations to improve sound insulation in buildings
... In order to validate the proposed method to determine the sound insulation between two com- partments, the following measurements between two adjacent compartments of a dwelling were performed. The noise ... See full document
8
Arq. Bras. Cardiol. vol.93 número5 en a21v93n5
... restenosis by implanting a stent with different conformability and drug, although there is limited evidence for this ...duration of the antiplatelet therapy is also a controversial issue, due to the ... See full document
3
Aulas Liberato Do professor Irineu tca785
... angle of the triac can be adjusted continuously between 0˚ and 180˚ with the aid of an external ...half-wave of the line voltage, the triac receives a positive Application ... See full document
16
Off-Line Signature Authentication Based on Moment Invariants Using Support Vector Machine
... based on minimal features using bayes classifier, fast Fourier transform, linear discriminant analysis, principal component analysis and support vector machine ...approaches. Approach: The variation ... See full document
7
A Survey on Intrusion in Ad Hoc Networks and its Detection Measures
... Re-optimization of routes: TORA does not compute the shortest path: paths may be ...rate of topological change, is used to re-optimize ...based on the relative height metric of neighboring ... See full document
8
Power Quality Improvement And Mitigation Of Voltage Sag And Current Swell Using Distributed Power Flow Controller
... number of challenges such as growth of electricity demand specially in non-linear loads in power grids, consequently, That higher power quality should be ...voltages of DPFC, the synchronous ... See full document
7
Parameters determination for the coupled electromagnetic transformer model, with particular reference to winding faults studies
... opment of transformer digital models in order to simulate its behaviour under tran- sient and abnormal operating ...three-phase transformer models have been presented in the literature, there is a ... See full document
7
Hygrothermal response of a dwelling house. Thermal comfort criteria
... object of the case study represents an individual dwelling located in a rural area, close to the city of Cluj-Napoca ...particularities of the building are designed with the aim of improving ... See full document
9
Explicit and implicit approach of sensitivity analysis in numerical modelling of solidification
... Keywords: Application of Information Technology to the Foundry Industry: Solidification Process: Numerical Tcchniqucs: Sensitivity Analysis; Borzndary Elcmcnt Mcthod.. Introd[r] ... See full document
6
Stochastic Estimation Methods for Induction Motor Transient Thermal Monitoring Under Non Linear Condition
... because of its robustness and low-cost, is commonly used in the ...type of electrical machine, this machine suffers of some ...definition of the nominal working point and the machine ...adding ... See full document
14
Diagnóstico de avarias em transformadores trifásicos em serviço através da análise do Vector de Park das correntes de excitação em carga
... do Vector de Park das correntes nos enrolamentos primário e secundário são apresentadas na ...do Vector de Park da corrente no enrolamento primário, sendo necessário recorrer à representação ... See full document
13
Single Phase Transformer Based Inverter For Nonlinear Load Application Using PI Controller
... phase transformer based inverter for nonlinear load applications, a nonlinear load compensating module with fast current response, which is constructed by a capacitive powered full bridge circuit, is added ... See full document
5
Forecasting bus passenger flows by using a clustering-based support vector regression approach
... caused by emergencies, holiday trips, restricted traffic, and so ...combination of quasi-periodic sig- nals with ...based on their similarity ...ber of cluster centers beforehand and can be ... See full document
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