Analysis of vegetable liquid insulating medium for applications in high voltage transformers

Kumar, Sunil; Iruthayarajan, M. Willjuice; Bakrutheen, M.

doi:10.1109/icsemr.2014.7043606

Cited by 23 publications

(15 citation statements)

References 6 publications

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“…Mineral oils have been used as coolant and insulator for over a century [1]. However, due to limitation of sources of mineral oils, sustainable production of transformer oil is being hotly debated worldwide since it is increasingly acknowledged that first generation mineral oil, primarily produced from petroleum products, are limited in reserves and have several other drawbacks such as, non-biodegradability (the level of biodegradability for mineral oil is not more than 30%), low flash point, non-renewable and could cause a serious problem if there is a spillage [2][3][4]. Also the enhanced industrialization and motorization of the society has led to a huge rise in demand of petroleum products.…”

Section: Introductionmentioning

confidence: 99%

Use of vegetable oils as transformer oils – a review

Rafiq

Zhou

et al. 2015

Renewable and Sustainable Energy Reviews

247

102

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Section: Introductionmentioning

confidence: 99%

Use of vegetable oils as transformer oils – a review

Rafiq

Zhou

et al. 2015

Renewable and Sustainable Energy Reviews

247

102

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“…A high thickness infers high protection from stream while a low consistency shows a low protection from stream. Consistency differs conversely with temperature [21].…”

Section: Measurement Of Viscositymentioning

confidence: 97%

“…Nanopowders are characterized as powdered materials with singular particles having sizes less than 100 Nanometers. The particles present in the nanopowders are extremely littler when contrasted and the wavelength of unmistakable light [9][10]. The littler size of nanopowders gives them an amazingly high surface territory to volume proportion that outcomes in unprecedented properties like outrageous quality.…”

Section: Introductionmentioning

confidence: 99%

Examining the Properties of Natural Ester Oils with Antioxidants and Nano Powders for Power Applications

Lincy,

Kumar,

Iruthayarajan

2020

IJRTE

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In this cutting edge world, electrical vitality is the significant thing to make due on the planet. An ongoing examination has prevailed that the oil by items are accessible just for not many years. Along these lines, following barely any years substitution of mineral oil is vital because of its debasement of protection. In this paper, the oil picked is Neem oil, sunflower oil, Mahua oil and Rice grain oil is treated with antioxidants(cancer prevention agents) and nano powders. "Breakdown voltage, flash point, fire point, viscosity and acidity are estimated in consonance with principles". To diminish the oxidation security normal and manufactured antioxidants(cancer prevention agents) are liked, and Nano powders are additionally utilized for improving the properties of the oil. Engineered cell reinforcements, for example, Beta Carotene and TBHQ and selenium are favored as normal cancer prevention agents. When the expansion of cancer prevention agents and nano powders the estimations were finished. After cancer prevention agents and Nano powders are included, the property of the transformer oil is expanded. By doing this investigation, the transformer oil is utilized for reuse reason and it has a more extended lifetime.

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“…Transformer oil (TO) has been utilized as a protecting fluid for a long time. The primary motivation behind why the mineral oil is utilized as a protecting fluid may be, it has a decent protection execution with less expensive in cost and it has a low blaze point [8][9][10]. Due to the poor biodegradability qualities of TO, there is as yet ecological worry to the utilities in the event of spillages amid task or because of a mischance [11][12].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Various Natural Ester Oils Impregnated Nomex Paper Performance in Power Transformer Applications under Different Ageing Conditions

Kumar*¹,

Moshi²,

Bharathi³

et al. 2019

IJRTE

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Vegetable oils are being considered as the potential replacements to mineral oils because of their better natural execution and for their high fire point. In spite of the fact that these fluids have been utilized as a part of appropriation transformers, it is as yet a huge advance to receive vegetable oils in control transformer because of high cost and abnormal state of well being and unwavering quality required in benefit for these units. Vegetable oils such as honge oil (HO), neem oil (NO), mustard oil (MO), punna oil (PO) and castor oil (CO) offer the reasonable option for mineral oil. It is expected that the greater part of the un-matured oil could fulfil the base necessity of dielectric protection fluids in the transformer. This paper concentrated on the impact of maturing on the electrical and physicochemical properties of HO, NO, MO, PO and CO. Fixed maturing tests have been set at 90°C for 30 days, 60 days and 90 days. Prior to the maturing procedure, the examples were dried in a vacuum broiler under the pressure of 0.8kPa at 85°C for 48 hours keeping in mind the end goal to evacuate the dampness content in the oils. At that point, the oils were impregnated with the Nomex paper and keep on ageing for choosing the span time. The electrical properties (relative permittivity, dielectric misfortunes, resistivity and breakdown quality), mechanical properties (thickness and elasticity) and substance properties (dampness and corrosiveness) of the oils were estimated all through the maturing time frames. It can be reasoned that the research center quickened warm maturing test uncovers that every single vegetable oil in this examination are safe towards oxidation in light of the steady thickness and low corrosiveness estimations of vegetable oils all through the maturing term even with the nearness of oxygen. The AC breakdown voltages of vegetable oils can in any case conform to the prescribed furthest reaches of new Vegetable oil set by ASTM 6781 even after subjected to maturing. From the results, it may be concluded that the proposed vegetable oils can be used as the alternatives for mineral oil.

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Analysis of vegetable liquid insulating medium for applications in high voltage transformers

Cited by 23 publications

References 6 publications

Use of vegetable oils as transformer oils – a review

Use of vegetable oils as transformer oils – a review

Examining the Properties of Natural Ester Oils with Antioxidants and Nano Powders for Power Applications

Optimization of Various Natural Ester Oils Impregnated Nomex Paper Performance in Power Transformer Applications under Different Ageing Conditions

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