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Search results for: transformer
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Year: 2015, Volume: 15, Number: 3
... PCB traces. from the secondary of the 4-kVA three-phase transformer During the testing procedure we have learned that the ... A part of the laboratory setup. The bulky three-phase transformers 0.02 are not shown. P D2 [W ... variable care should be taken when designing the converter PCB autotransformer. The primary of the variable layout in order ...
Year: 2020, Volume: 20, Number: 1
... Frequency response analysis (FRA) is a tool for transformer has been explored and discussed [3-5]. ... 2020 A New Approach for Estimating Insulation Condition of Field Transformers Using FRA Mohd Fairouz MOHD YOUSOF1, Salem AL-AMERI1 ... discussed [3-5]. Previous evaluating mechanical integrity of transformer's core and studies have investigated the sensitivity of FRA ...
Year: 2015, Volume: 15, Number: 4
... , Number 4, 2015 Fuzzy Ontology Reasoning for Power Transformer Fault Diagnosis Farhad Davoodi SAMIRMI1, Wenhu TANG2, ... was applied for power knowledge representation for accurate power transformer transformers in [6 ,7]. The technique ... . ontology agents. Under the developed agent framework, TransformerComponent  Component .Thermal Fault (1) real-time data ...
Year: 2023, Volume: 23, Number: 3
... @discente.ufg.br 1 Abstract — In electrical systems, power transformer failure or even to estimate the date when a ... , Number 3, 2023 Electrical Evaluation of Oil-Immersed Power Transformers Based on Temporal Variations in Performance Index and Reliability ... procedure aimed at ensuring the represents a risk for the transformer's operation, will be uninterrupted delivery of electricity. ...
Year: 2008, Volume: 8, Issue: 2
... and Computer Engineering Volume 8, Number 2, 2008 Transformer Internal Faults Simulation Amangaldi KOOCHAKI, Shahram Montasar KOUHSARI ... model used is the one presented in Index Terms — Transformers, transformer windings, [5]. In ... ], [B] matrices are dependent upon the transformer's winding connection. Using (17), ( ...
Year: 2010, Volume: 10, Issue: 2
... aerial, mixed), load being served II. TRANSFORMER LOSSES etc.  Replacement of the 6 kV ... planning and operation, these relate the lines and distribution transformers. These with important technical and economical implications. ... 10, Number 2, 2010 magnetic field in the transformer's steel core. Core loss where: occurs whenever ...
Year: 2014, Volume: 14, Number: 3
... , Number 3, 2014 A New Method of Improving Transformer Restricted Earth Fault Protection Jelisaveta P. KRSTIVOJEVIC, ... equal to one half of the signal protection of power transformers against internal faults is period. Also, the ... Number 3, 2014 Case 1: Ground fault outside transformer's protected zone. A fault occurred at the instant ...
Year: 2010, Volume: 10, Issue: 3
... of Circuit Breaker Shunt Resistance on Chaotic Ferroresonance in Voltage Transformer Hamid RADMANESH, Mehrdad ROSTAMI Electrical Engineering Department, ... results reveal that considering the Ferroresonance Phenomena in the Power Transformers shunt resistance on the circuit breaker, exhibits a ... , E.P., and WATSON, W.: 'Transformer models for transient wound voltage transformers: effect of ...
Year: 2015, Volume: 15, Number: 1
... realized in the through the grounded neutrals of the power transformer, model, which enables to determine the matrix ... power developed. The calculations were performed in the MATLAB transformers magnetic system [4 ], [10-13] ... . The total installed capacity of the power transformers and autotransformers at the power stations and the transformer substations in ...
Year: 2018, Volume: 18, Number: 2
... , 2018 Monofractal and Multifractal Analysis of Discharge Signals in Transformer Pressboards Serap CEKLI1, Cengiz Polat UZUNOGLU2, Mukden ... this purpose, the materials employed in electrical connections of transformers. estimation of pressboard surface distortion by investigating Pressboards ... H. P. Mosser, V. Dahinden, Transformerboard II. H.Weidman AG, fractal theory," ...
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