{"id":879,"date":"2014-05-06T20:10:39","date_gmt":"2014-05-06T18:10:39","guid":{"rendered":"http:\/\/globecoreoil.com\/?p=879"},"modified":"2014-05-06T20:10:39","modified_gmt":"2014-05-06T18:10:39","slug":"which-kind-of-transformer-oil-to-buy","status":"publish","type":"post","link":"https:\/\/aceite.globecore.com\/which-kind-of-transformer-oil-to-buy","title":{"rendered":"Which kind of Transformer Oil Should my Company Buy?"},"content":{"rendered":"

A great number of manufacturers and distributors of transformer oils operate in international and national markets.
\n<\/span><\/p>\n

Transformer insulating oil is a dielectric liquid that is intended for cooling and insulating electric power transformers and other high voltage equipment.\u00a0 Transformers remain an indispensible part of the electric power generation and transmission industry.<\/p>\n

In scientific terms, transformer oil is a product of crude oil refining.\u00a0 The performance properties of transformer oil depend heavily on the quality and parameters of the raw material.\u00a0 The performance of the oil is defined by the positive and negative properties of the crude oil.\u00a0 Chemical composition of oil is quite complex.\u00a0 It includes the following components: paraffin (10-15%), naphtenes or cycloparaffins (60-70%), aromatic hydrocarbons (15-20%), asphalt (1-2%), sulfuric compounds (<1%), nitric compounds (<0.8%), naphtenic acids (<0.02%) and antioxidation additive (0.5 \u2013 0.5%).<\/p>\n

Transformer oils must be highly resistant to oxidation and must not form sludge or emulsify when coming in contact with water.\u00a0 Anti-oxidation additives are an important component and can be found in virtually all types of transformer oil.\u00a0 When selecting an oil for your equipment, be sure to look for oils that have good antioxidant additives included since they will inhibit the oxidation process considerably better than uninhibited oils.<\/p>\n

The efficiency of such additives is based on the ability of the additives to react with active peroxide radicals that form as the result of hydrocarbon oxidation reaction and are the primary carriers.\u00a0 The presence of additives in transformer insulating oils slows the aging of the oil.\u00a0 As soon as the additive is depleted, the oil ages in about the same amount of time as an oil without the the antioxidant additives.\u00a0 Without the additives, the oil aging process will accelerate.<\/p>\n

Two of the main characteristics of transformer oil are its viscosity and density.\u00a0 These have a pronounced affect on the function of the oil.\u00a0 Higher viscosity may mean better dielectric strength, but may reduce the ability of the oil to transfer heat and cool the transformer.\u00a0 Optimal kinetic viscosity of the oil at 20 \u030aC is about 28-30\u00d710-6 m2\/second.<\/p>\n

The oil’s “Dissipation Factor”<\/em> is responsible for the oil\u2019s dielectric properties and protects the transformer’s electrical system from possible short circuits.<\/p>\n

These and the other characteristics of transformer oil are improved by the use of high quality crude oil, deep refining and introduction of additives that increase the oil\u2019s oxidation stability and reduce corrosion.<\/p>\n

When oil is significantly oxidized due to the influence of water, solids, air and other gases, and high temperatures, the oil should be replaced.\u00a0 If the degradation of the oil’s properties is not detected in time, transformers can and will fail.\u00a0 When oil decays, it can no longer serve as a dielectric insulator and starts to react with the metal of the transformer tank and hinders cooling and may lead to short circuits.<\/p>\n

The following are some of the different kinds of oils that may be purchased in the local market:<\/p>\n

VG type<\/strong><\/em> oil is made from paraffinic crude oil by a catalytic process with the addition of an antioxidant\u00a0 additive.\u00a0 It is a good dielectric and is rather stable against oxidation.\u00a0 It is mostly used in higher voltage equipment.<\/p>\n

GK type<\/em><\/strong> oil is made of sulfuric paraffinic oils by hydrocracking.\u00a0 It also contains ionol, an antioxidant, that ensures good stability and dielectric properties of the oil.\u00a0 It is another kind of oil used in higher voltage systems.<\/p>\n

TKp oil<\/em><\/strong> is made from low-sulfur naphtenic crude by an acid-alkali purification process.\u00a0 The oil also contains antioxidant additives.\u00a0 This oil is recommended for equipment with voltage up to 500 kV.<\/p>\n

Oil selection depends not only on the type of electric equipment you are using, but also on the individual requirements of the facility.\u00a0 Most of transformer oils are universal.\u00a0 In all cases, the correct selection of oil type with consideration of local climatic and physical operating conditions ensures reliable and stable operation of electric power equipment such as high voltage transformers and switch gear.<\/p>\n","protected":false},"excerpt":{"rendered":"

A great number of manufacturers and distributors of transformer oils operate in international and national markets. Transformer insulating oil is a dielectric liquid that is intended for cooling and insulating electric power transformers and other high voltage equipment.\u00a0 Transformers remain an indispensible part of the electric power generation and transmission industry. In scientific terms, transformerRead More <\/a><\/p>\n","protected":false},"author":24,"featured_media":884,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[55,20,56,57,58,8,59],"class_list":["post-879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tierra-fuller","tag-dielectric","tag-oil-filtration","tag-oil-lifecycle","tag-oil-maintenance","tag-oil-price","tag-transformer-oil","tag-transformer-oils"],"acf":[],"language":"en","_links":{"self":[{"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/posts\/879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/comments?post=879"}],"version-history":[{"count":0,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/posts\/879\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/media?parent=879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/categories?post=879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aceite.globecore.com\/en\/wp-json\/wp\/v2\/tags?post=879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}