Results 11 to 20 of about 7,540 (299)
Protection system for power electronic transformer is an important measure to ensure its safe and stable operation in engineering application. Firstly, taking AC-DC-AC type power electronic transformer as an example, this paper pointed out its topology ...
ZHOU Tingdong, XU Yonghai
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Transformatori su jedna od najkritičnijih i najskupljih komponenti svakog distribucijskog sustava. To je zatvoreni statički uređaj obično natopljen u ulje, pa su stoga kvarovi koji se javljaju na njemu ograničeni ali učinak nekog kvara može biti vrlo ...
Krmpotić, Sanjin
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Examples of power transformers testing after outages and bad results of the chemical analysis of the oil sample [PDF]
Power transformers represent one of the most important components in terms of generation, transmission and distribution of electrical power. Precisely for this reason, it is necessary to pay some attention in terms of preventive electrical measurements ...
Milić Momčilo +2 more
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Transformer Monitoring and Protection in Dynamic Power Systems – A Review
Increasing distributed energy resources, especially the renewable energy resources (RESs) are being installed across power systems these years. These RESs, including solar photovoltaic, wind turbines, etc., provide opportunities for operators to improve ...
Boqi Xie, Dongbo Zhao, Tianqi Hong
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Recently, there has been an increased interest in the use of artificial neural networks in various branches of the electric power industry including relay protection.
Yu. V. Rumiantsev, F. A. Romaniuk
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Influence of Molecule Structure on Lightning Impulse Breakdown of Ester Liquids
Ester liquids are environmentally friendly insulating oils, and they can be used as an alternative to mineral oil in transformers, even though in most countries spills of ester oils must be treated like spills of mineral oil.
Huaqiang Li +5 more
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Real-Time Monitoring & Adaptive Protection of Power Transformer to Enhance Smart Grid Reliability
Power transformer is one of the most important pieces of equipment in the grid to reliably and efficiently transmit power to the consumers. Asset management and protection are the best concepts for prolongation of transformer lifespan as well as for the ...
Raichura Maulik +2 more
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Protecting power equipment against magnetohydrodynamic effects (MHD) of electromagnetic pulses (EMP) [PDF]
The article is devoted to the effects of geomagnetic-induced currents (GIC) on electrical equipment of power systems and analyzes technical measures for protection against such effects.
Gurevich Vladimir
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Power Transformers and Environmental Protection
Abstract: Power transformers are among the most expensive equipment installed in power plants and substations. Generally, they contain large quantities of combustible material which can, in the event of ignition, spread fire to adjacent installations.
Leoš Valenta +2 more
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Research on the structure and safety of transformer bushing tap adapter
Tap adapter is necessary in online monitoring of transformer bushings to induct current connected to bushing tap. In this paper, earthing structures of transformer bushings in one provincial power grid are investigated.
XIA Jian, ZUO Jie
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