Results 81 to 90 of about 7,540 (299)
Voltage Distribution on Transformer Windings Subjected to Lightning Strike Using State-Space Method
Applied SciencesTransient analysis in power systems is essential for identifying deficiencies in the system, as well as for the protection and design of equipment. Transients can arise from natural events or network operations; in either case, they have the potential to
İlker Arı, Mehmet Salih Mamiş
doaj +1 more source
Advanced Engineering Materials, EarlyView.Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir +5 more
wiley +1 more source
Power transformer protection improvement
, 2016 100 p. : ill ; 30 cmA power transformer is mostly protected against internal faults using a differential protection which is sensitive and a fast clearing technique.
Bouderbala, Rachid
core
Advanced Engineering Materials, EarlyView.This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele +2 more
wiley +1 more source
Fuzzy Logic based Controller for Power Transformer Protection
, 2017 Power transformers are imperative elements of power system. So it is substantial to evade any mal-operation of required protective system. For many years, differential protection has been used as the primary protection of power systems.
Dhote, Anagha P. +2 more
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AUTOMATION OF THE SYSTEM OF PROTECTION OF THE POWER TRANSFORMER
Bulletin of the Angarsk State Technical University, 2018 The article analyzes the main types of damage to power transformers, substantiates the requirements for modern multifunctional microprocessor protection, proposed the technical implementation of the automation of protection of a power transformer.
Liliya Naumova +2 more
openaire +2 more sources
Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions
Advanced Functional Materials, EarlyView.DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng +7 more
wiley +1 more source
Differential Protection for Power Transformer
, 2015 This thesis explores power transformer protection and focuses on differential protection. It attempts to explain its principles and operating characteristic settings.
Bukvišová, Zuzana
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Enhancing the Sensitivity of Power Transformer Differential Protection in Power Systems.
Zanco Journal of Pure and Applied SciencesDifferential protection is a fundamental protection scheme used to detect and isolate internal faults in power transformers. It works on the principle of comparing the currents entering and leaving the protected zone (transformer).
Aso Farooq Hayder, Ismael Kareem Saeed
doaj +1 more source
Overvoltage Protection for High Frequency High Voltage Power Transformers
Eletrônica de Potência, 2019 Transformers with high-voltage operation may have undesired behavior due to the effects of their parasitic elements. In power electronics applications, if the primary voltage has harmonics, transformer resonances may be excited, causing high primary ...
Diego Teruo Mendes de Souza +2 more
doaj +1 more source