{"id":1363,"date":"2026-05-12T07:11:41","date_gmt":"2026-05-12T07:11:41","guid":{"rendered":"https:\/\/digicrackerssite.com\/gujarattransformers\/?page_id=1363"},"modified":"2026-05-14T08:06:22","modified_gmt":"2026-05-14T08:06:22","slug":"dry-type-resin-dipped-transformers","status":"publish","type":"page","link":"https:\/\/digicrackerssite.com\/gujarattransformers\/dry-type-resin-dipped-transformers\/","title":{"rendered":"Cast Resin Dry Type Transformers"},"content":{"rendered":"\t\t
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Self-extinguishing &\r\nfire-resistant design<\/div>\r\n
Compact & maintenance\r\nfree operation<\/div>\r\n
Eco-friendly with\r\nlow dielectric heating<\/div>\r\n
Moisture-proof &\r\npollution-resistant<\/div>\r\n
Superior overload\r\ncapacity<\/div>\r\n <\/div>\r\n\r\n \r\n<\/div>\r\n\r\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\tintroduction\n\t\t\t\t\t<\/p>\n\t\t\t\t

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\nWorld Class<\/b>
\nDistribution Transformers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\tA cast resin dry-type transformer (CRT) is a type of electrical transformer that uses solid epoxy resin insulation instead of oil or liquid coolant. It is designed for indoor and outdoor applications which offers high safety, low maintenance, and excellent resistance to moisture, dust, and pollutants.\n\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\tA cast resin dry-type transformer is used in different commercial, industrial, and utility applications, as they come with various benefits. The advancements in this transformer have technologically made electrical devices efficient and compliant over the years.\n\t\t\t\t\t<\/p>\n\t\t\t\t

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Technical Specifications<\/h4>\n\n \n \n \n \n \n \n \n \n
Range<\/td>\n Up to 5 MVA <\/td>\n <\/tr> \n
Voltage Class<\/td>\n Up to 33 KV<\/td>\n <\/tr>\n
Cooling<\/td>\n AN \/ AF<\/td>\n <\/tr>\n
Protection<\/td>\n Up to IP 55<\/td>\n <\/tr>\n
Winding Material<\/td>\n Copper<\/td>\n <\/tr>\n
Insulation Level<\/td>\n 'F' & 'H' Type<\/td>\n <\/tr> \n
Tap Changer<\/td>\n On load Gears<\/td>\n <\/tr> \n
Enclosure <\/td>\n Powder Coated<\/td>\n <\/tr>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Design Structure<\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Insulation Type<\/h3>

F and H class insulation are primarily used for the primary and secondary windings.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Lifespan<\/h3>

Depends on winding insulation integrity, which is affected by temperature rise due to overloading.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Core Material<\/h3>

Silicon steel is commonly used to ensure high permeability and minimal hysteresis loss.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Regulation<\/h3>

Achieved with a leakage resistance of less than 2% to maintain design efficiency.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Winding Material<\/h3>

Windings are made of copper or aluminium, depending on the current rating requirements.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Losses<\/h3>

To minimize eddy current and core losses, leakage and winding resistance must be controlled.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Overload<\/h3>

Leads to overheating, which limits loading capacity. A fan-cooling system is added to dry-type transformers to mitigate this issue.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Insulation Level<\/h3>

Selected based on the primary impulse level, contributing to the transformer's longevity.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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K-Factor<\/h3>

Designed to withstand non-sinusoidal heat generation in the windings.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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