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Thematische Bibliographien / Oil distribution transformer

Inhaltsverzeichnis

Zeitschriftenartikel

Auswahl der wissenschaftlichen Literatur zum Thema „Oil distribution transformer“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 18. Februar 2022

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Zeitschriftenartikel zum Thema "Oil distribution transformer"

1

Kattel, Ruska, and Bhupendra Devkota. "PCBs Contamination among Distribution Transformers in the Kathmandu Valley." International Journal of Environment 4, no. 1 (2015): 16–29. http://dx.doi.org/10.3126/ije.v4i1.12175.

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Transformer is the crucial part in any electrical system, however there are many risks associated with its use. Thus this study was focused on assessing the status of PCBs contamination and distribution of transformers in Distribution Centre-North of the Kathmandu valley along with PCBs contamination in them. Each transformer within the study area was closely observed to obtain information about all transformers. The dielectric oil samples from the transformers were collected, safely stored and analyzed in Test Kits (L2000DX Chloride Analyzer System, recommended by UNEP). Among 111 samples of

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2

Okundamiya, M. S., E. Esekhaigbe, J. L. Owa, and H. I. Obakhena. "Impacts of Ambient Temperature Change on the Breakdown Voltage of a Distribution Transformer." International Journal of Emerging Scientific Research 2 (June 27, 2021): 19–25. http://dx.doi.org/10.37121/ijesr.vol2.155.

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The aim of this paper is to determine the effects of ambient temperature variation on the breakdown voltage of a distribution transformer. Three different insulation oil samples (naphtha mineral, paraffin mineral and silicon base transformer oil) were collected from six distribution transformers (300 – 500 kVA) across two business units (Asaba and Ugbowo) of Benin Electricity Distribution Company during May and June, 2017. The oil samples were analysed using the 60 kV Megger OST60PB portable oil tester, to determine the trend of breakdown voltage of the oil insulation under varying temperature

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3

Lu, Yun Cai, Li Wei, Wei Chao, and Wu Peng. "The New Development Trend of Distribution Transformer." Applied Mechanics and Materials 672-674 (October 2014): 831–36. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.831.

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Firstly, this paper introduces the development of new materials, new technology and new manufacture in power industry of China, energy-saving, low noise and smart distribution transformers are widely used in countryside power grid reconstruction. In this paper, application status and development trend of different types of distribution transformers were introduced and compared in terms of new material and new structure, such as oil-immersed distribution transformer, amorphous core transformer(AMT), dry-type transformer, SF6 insulated distribution transformer, composite transformer and other ty

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4

Gafvert, U., A. Jaksts, C. Tornkvist, and L. Walfridsson. "Electrical field distribution in transformer oil." IEEE Transactions on Electrical Insulation 27, no. 3 (1992): 647–60. http://dx.doi.org/10.1109/14.142730.

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5

Yuchao, Ma, Mo Juan, Yu Jinshan, Li Xiang, and Zheng Zhongyuan. "Study on Sound Field Distribution Rule for Tank Structures of Large Oil-immersed Transformers." E3S Web of Conferences 233 (2021): 01021. http://dx.doi.org/10.1051/e3sconf/202123301021.

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Large oil-immersed transformers are an important part of the transmission and distribution network in power systems. Power transformers are the main noise source of substations. Because of the uneven manufacturing process, aging equipment, long-term operation, and close distance from sensitive points, the problem of transformer noise pollution has become increasingly prominent. In this paper, the transmission and analysis model is established for transformer sound waves on the interface between insulating oil and tank body according to the sound wave propagation rule in complicated medium, and

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6

Roza, Indra, Yussa Ananda, Lisa Adriana Siregar, Dharmawati Dharmawati, and Junaidi Junaidi. "Analysis of Age Transformer Due to Annual Load Growth in 20 kV Distribution Network." Journal of Renewable Energy, Electrical, and Computer Engineering 1, no. 1 (2021): 42. http://dx.doi.org/10.29103/jreece.v1i1.3685.

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Distribution transformer is a component in distributing electricity from distribution substations to consumers. Damage to distribution transformers causes continuity of customer service to be disrupted (power cut or blackout occurs). The length of the PLN electricity network requires a transformer to distribute electricity to serve consumers and how to maintain the transformer. The daily load curve of a peak load for housing, shops and factories / industries varies. Load served 200 kVA distribution transformer cannot serve the load on housing, shops and factories / industry. The method used is

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7

Melnikova, O. S., and V. S. Kuznetsov. "Method of calculating the electric strength of oil channels of the main insulation of power transformers." Vestnik IGEU, no. 5 (December 30, 2020): 48–55. http://dx.doi.org/10.17588/2072-2672.2020.5.048-055.

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The most damage-sensitive unit of power transformers is the main insulation of the oil barrier type. The breakdown of such insulation occurs as a result of the breakdown of the oil channel near the high voltage winding. In accordance with traditional methods of calculating the dielectric strength of insulation, the value of the breakdown strength is determined by empirical formulas depending on the selected width of the oil channel. The existing methods do not consider the influence of the oil channel volume, of the electric strength the statistical characteristics of the oil, the design featu

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8

Melnikova, O. S. "Impact of distribution of impurity particles on electric strength of transformer oil." Vestnik IGEU, no. 6 (2019): 41–49. http://dx.doi.org/10.17588/2072-2672.2019.6.041-049.

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To extend the service life and ensure the operability of oil-filled transformer equipment, the attention is paid to the development of methods for monitoring the state of oil-barrier insulation. When monitoring the technical condition of transformer oil, the class of liquid purity is determined depending on the rated voltage of the equipment. However, the influence of the parameters of mechanical impurities on the breakdown voltage is not taken into account, thereby lowering the requirements for the quality of oil barrier insulation. This makes it relevant to study the influence of the size di

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9

Korenciak, D., M. Sebok, and M. Gutten. "Thermal Measurement and its Application for Diagnostics of Distribution Oil Transformers." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 62, no. 6 (2019): 583–94. http://dx.doi.org/10.21122/1029-7448-2019-62-6-583-594.

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In the first part of the paper the theory of infrared radiation and the use of nondestructive measurement of electrical devices by means of thermovision are under analysis. In the second part of paper basic principles and application of non-contact temperature measurement are examined. In the third part of paper thermal processes in distribution oil transformer – temperature in dependence on height of oil transformer and temperature distribution in sectional plan of oil transformer – are considered. In the fourth part of paper, by means of the experimental measurements and subsequent analysis,

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10

Amrita, A. A. N., W. G. Ariastina, and I. B. G. Manuaba. "Study of Transformer Lifetime Due to Loading Process on 20 KV Distribution Line." Journal of Electrical, Electronics and Informatics 2, no. 2 (2018): 25. http://dx.doi.org/10.24843/jeei.2018.v02.i02.p01.

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Power transformer is very important in electric power system due to its function to raise or lower the voltage according to its designation. On the power side, the power transformer serves to raise voltage to be transmitted to the transmission line. On the transmission side, the power transformer serves to distribute the voltage between the main substations or down to the distribution voltage. On the distribution side, the stresses are channeled to large customers or lowered to serve small and medium customers. As the power transformer is so importance, it is necessary to protect against distu

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