A.R.Electricals

A 45000 kVA (45 MVA) oil-immersed transformer is a large-scale, three-phase power transformer designed for high-load transmission and distribution systems, such as major utility substations, industrial zones, and power generation facilities. It typically operates at a primary voltage of 66 kV, 132 kV, or higher, with a secondary voltage of 33 kV, 22 kV, or 11 kV, based on system configuration and operational needs. The transformer uses an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling system, where mineral insulating oil serves both as a heat dissipation medium and as dielectric insulation for the internal components.

A 35000 kVA (35 MVA) oil-immersed transformer is a high-performance, three-phase power transformer designed for large-scale electrical distribution systems such as utility substations, industrial facilities, and infrastructure requiring reliable and continuous medium-voltage power supply. It typically operates at a primary voltage of 33 kV, 22 kV, or 11 kV, and delivers a secondary voltage of 433 V or 400 V, based on system configuration. The transformer employs an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling system, where mineral insulating oil serves the dual purpose of dissipating heat and providing electrical insulation between the windings and core.

A 25000 kVA (25 MVA) oil-immersed transformer is a high-capacity, three-phase power transformer designed for large-scale industrial operations, utility substations, and infrastructure requiring stable and continuous medium-voltage power distribution. It typically operates at a primary voltage of 33 kV, 22 kV, or 11 kV, and delivers a secondary voltage of 433 V or 400 V, based on the specific needs of the electrical system. The transformer uses an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling method, with mineral insulating oil acting both as a coolant and a dielectric insulator to ensure safe and efficient operation.

A 20000 kVA (20 MVA) oil-immersed transformer is a large, three-phase power transformer engineered for high-load applications in utility transmission networks, industrial plants, and large infrastructure requiring uninterrupted and efficient power distribution. It typically operates at a primary voltage of 33 kV, 22 kV, or 11 kV, and delivers a secondary voltage of 433 V or 400 V, depending on the power system design. The transformer utilizes either ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling systems, where mineral insulating oil circulates through the core and windings to dissipate heat while also providing dielectric insulation.

A 18000 kVA (18 MVA) oil-immersed transformer is a high-capacity, three-phase power transformer designed for critical power distribution in large industrial facilities, utility substations, and infrastructure where continuous and reliable power is essential. It typically operates at a primary voltage of 33 kV, 22 kV, or 11 kV, with a secondary voltage of 433 V or 400 V, tailored to the system's requirements. The transformer is cooled using either ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) methods, where mineral insulating oil serves the dual purpose of heat dissipation and electrical insulation.

A 15000 kVA (15 MVA) oil-immersed transformer is a high-capacity, three-phase power transformer engineered for reliable performance in utility substations, large-scale industrial facilities, and infrastructure requiring continuous and stable power supply. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on the distribution system. The transformer uses an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling system, in which mineral insulating oil circulates to dissipate heat and provide dielectric insulation to the core and windings.

A 12000 kVA (12 MVA) oil-immersed transformer is a heavy-duty, three-phase power transformer used in high-load industrial zones, utility substations, and critical infrastructure projects requiring stable and efficient medium-voltage power distribution. It is typically rated for a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, based on system requirements. The transformer operates using an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling system, where mineral insulating oil serves both as a coolant and dielectric medium, ensuring safe thermal performance and electrical insulation.

A 10000 kVA (10 MVA) oil-immersed transformer is a large-capacity, three-phase power transformer designed for use in utility substations, large industrial plants, and high-load commercial infrastructure where stable and efficient power distribution is critical. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on the specific network requirements. The transformer uses an ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling system, where mineral insulating oil circulates naturally or with forced air to manage the heat generated during operation while also providing dielectric insulation for internal components.

A 9000 kVA oil-immersed transformer is a high-capacity, three-phase power transformer designed for demanding applications in utility substations, large industrial operations, and infrastructure requiring reliable medium-voltage power distribution. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on network requirements. The transformer utilizes ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling systems, where mineral insulating oil circulates to absorb and dissipate heat while also serving as a dielectric insulating medium.

An 8000 kVA oil-immersed transformer is a high-capacity, three-phase power transformer designed for large-scale industrial facilities, utility substations, and critical infrastructure requiring stable and efficient voltage transformation. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on system requirements. The transformer uses ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling, where mineral insulating oil circulates to dissipate heat generated by the windings and core, while also providing electrical insulation.

A 6000 kVA oil-immersed transformer is a high-capacity, three-phase power transformer engineered for critical power distribution in utility substations, industrial complexes, and large infrastructure projects. It is typically rated for a primary voltage of 11 kV, 22 kV, or 33 kV, and delivers a secondary voltage of 433 V or 400 V, depending on the specific requirements of the electrical network. The transformer uses ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling, where mineral insulating oil is circulated to effectively cool the windings and core while also serving as a dielectric medium.

A 5500 kVA oil-immersed transformer is a large-capacity, three-phase power transformer designed for reliable voltage conversion in utility substations, industrial power systems, and large commercial infrastructure. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, based on system requirements. The transformer uses an ONAN (Oil Natural Air Natural) or optionally ONAF (Oil Natural Air Forced) cooling system, where mineral insulating oil circulates to dissipate heat and insulate the core and windings.

A 5000 kVA oil-immersed transformer is a high-capacity, three-phase power transformer commonly used in utility substations, industrial plants, and large commercial infrastructures for efficient voltage regulation and distribution. It is typically designed for a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, tailored to the electrical system's requirements.

A 4500 kVA oil-immersed transformer is a high-capacity, three-phase power transformer designed for use in large industrial facilities, substations, and utility-scale distribution systems. It typically operates at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on application requirements.

A 4000 kVA oil-immersed transformer is a high-capacity, three-phase power transformer designed for heavy-duty industrial applications, commercial infrastructure, and utility substations. It is typically rated for a primary voltage of 11 kV, 22 kV, or 33 kV, and delivers a secondary voltage of 433 V or 400 V, depending on the system configuration.

A 3150 kVA oil-immersed transformer is a high-capacity, three-phase power distribution transformer commonly used in large industrial plants, commercial complexes, and utility substations. It is designed to operate at a primary voltage of 11 kV, 22 kV, or 33 kV, with a secondary voltage of 433 V or 400 V, depending on the system’s configuration.

A 2500 kVA oil-immersed transformer is a heavy-duty, three-phase transformer used primarily in industrial plants, commercial facilities, and utility substations for medium-voltage power distribution. It typically has a primary voltage rating of 11 kV or 22 kV and a secondary voltage of 433 V or 400 V, based on site requirements.

A 2000 kVA oil-immersed transformer is a robust, three-phase distribution or small power transformer designed for efficient voltage transformation in medium-voltage networks. It typically operates at a primary voltage of 11 kV or 22 kV and delivers a secondary voltage of 433 V or 400 V, suitable for industrial, commercial, or utility-scale applications.

ChatGPT said:
A 1500 kVA oil-immersed transformer is a three-phase distribution or small power transformer designed to step down or step up voltage in medium-voltage electrical networks. It typically operates at a frequency of 50 Hz and features a primary voltage of 11 kV or 22 kV, with a secondary voltage of 433 V or 400 V, depending on system requirements. The transformer uses ONAN (Oil Natural Air Natural) cooling, where mineral insulating oil both insulates and cools the windings. The windings are usually made of high-conductivity copper and the vector group commonly used is Dyn11, which is ideal for balancing phase shifts in distribution networks. It is equipped with essential protection features such as a Buchholz relay, Oil Temperature Indicator (OTI), Winding Temperature Indicator (WTI), and a pressure relief device.

A 40000 kVA (40 MVA) oil-immersed transformer is a high-capacity, three-phase power transformer designed for critical power transmission and distribution in large utility substations, industrial grids, and infrastructure projects that demand stable, continuous, and efficient energy delivery. It typically operates at a primary voltage of 33 kV, 66 kV, or 132 kV, with a secondary voltage of 11 kV, 6.6 kV, or 433 V, depending on the specific application and network design. The transformer is cooled using either ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) methods, where mineral insulating oil circulates through the windings and core to manage heat and ensure electrical insulation.

A 30000 kVA (30 MVA) oil-immersed transformer is a large-capacity, three-phase power transformer designed for heavy-duty applications such as utility substations, power generation plants, and large industrial complexes requiring continuous and efficient power distribution. It typically operates at a primary voltage of 33 kV, 22 kV, or 11 kV, and supplies a secondary voltage of 433 V or 400 V, depending on the network requirements. The transformer uses ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) cooling systems, where mineral insulating oil circulates through the windings and core to provide both cooling and electrical insulation.

A 100 kVA oil-immersed transformer with oil cooler is a compact, three-phase distribution transformer typically used in small industrial units, residential complexes, and commercial establishments where reliable voltage transformation is required. It usually operates at a primary voltage of 11 kV or 6.6 kV, with a secondary voltage of 433 V or 400 V, depending on the specific distribution network.

A 1000 kVA oil-immersed transformer is a medium-capacity, three-phase distribution transformer widely used in industrial plants, commercial complexes, and utility distribution networks. It is designed to handle a primary voltage of 11 kV or 22 kV, with a secondary voltage output of 433 V or 400 V, depending on regional and system requirements. This transformer uses ONAN (Oil Natural Air Natural) cooling, where mineral insulating oil circulates naturally within the tank to dissipate heat from the windings and also acts as an insulating medium.