Results 21 to 30 of about 74,955 (336)

Gas and optical sensing technology for the field assessment of transformer oil [PDF]

open access: yes, 2010
Oil testing has found widespread use in assessing the quality of the insulation system of a transformer. Techniques such as Dissolved Gas Analysis (DGA) have been proven to be reliable in this task, but are expensive, laborious and time consuming.
Abeyratne, Udantha   +2 more
core   +1 more source

Breakdown Voltage Characteristic Of Mineral Oil In Power Transformer 16 Mva Updl Semarang

open access: yesTechno, 2020
The transformer is one of the most important equipment in the electric power system, which is to distribute power from power plants to the load centers by step-up or step down the voltage. Transformer is expect to have a high level of reliability. One
Setyo Adi Nugroho, Setyo Aji Priambodo
doaj   +1 more source

Evaluation Method of Aging State of Oil-Paper Insulation Based on Isothermal Decay Current

open access: yesJournal of Harbin University of Science and Technology, 2023
The stable operation of the transformer is an important guarantee for maintaining the safety of the power grid. It is very important to accurately assess the insulation state of oil-paper insulation of transformer.
LIUHeqian   +6 more
doaj   +1 more source

Methods of Humidityanalysis in Transformer Oil

open access: yesCommunications, 2010
To prevent failure states of transformer, we performed different types of measurements. We made measurements of a frequency dependence of capacity of test transformer immersed in tank with transformer oil.
Miroslav Gutten, Jozef Kudelcik
doaj   +1 more source

Design of Transformer Oil Temperature Intelligent Monitoring and Alarm System Based on PLC

open access: yesChemical Engineering Transactions, 2017
According to the requirements of the transformer oil product management system, the overall plan is designed, PLC is used as the next machine, and the distributed I/O system is built, based on the system software design transformer electrical schematic ...
Kun Zhang
doaj   +1 more source

A method of transformer top oil temperature forecasting based on similar day and similar hour

open access: yes电力工程技术, 2022
As the transformer top oil temperature is affected by many factors such as weather conditions and tidal current loads,it is difficult to improve the forecasting accuracy. To solve this problem,a method of transformer top oil temperature forecasting based
TAN Fenglei   +4 more
doaj   +1 more source

Adjustment of model parameters to estimate distribution transformers remaining lifespan [PDF]

open access: yes, 2018
Currently, the electrical system in Argentina is working at its maximum capacity, decreasing the margin between the installed power and demanded consumption, and drastically reducing the service life of transformer substations due to overload (since the ...
Gotay Sardiñas, Jorge   +3 more
core   +1 more source

Формирование однородных массивов показателей качества трансформаторного масла в условиях априорной неопределенности результатов испытаний [PDF]

open access: yes, 2006
Transformer oil operation conditions effect on testing results uniformity was investigated. The method of uniform arrays of transformer oil quality indexes was proposed.
Шутенко, Олег Владимирович
core   +1 more source

Predicting transformers oil parameters

open access: yes2009 IEEE Electrical Insulation Conference, 2009
In this paper different configurations of artificial neural networks are applied to predict various transformers oil parameters. The prediction is performed through modeling the relationship between the transformer insulation resistance extracted from the Megger test and the breakdown strength, interfacial tension, acidity and the water content of the ...
Shaban, Khaled   +2 more
openaire   +2 more sources

Analisis Kualitas Minyak Trafo Menggunakan Data Dissolved Gas Analysis dan Water Content

open access: yesProtek: Jurnal Ilmiah Teknik Elektro, 2018
Transformer is a vital equipment in the power system. If the transformer is damage, can cause the electrical distribution to the consumer will be disrupted. Therefore, it needs special maintenance the performance of the transformer to avoid damage.
Abdul Syakur, Fanny Rizka Savitri
doaj   +1 more source

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