| Customization: | Available |
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| Application: | Energy-efficient transformer |
| Phase: | Three Phase |
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The Vegetable Oil Transformer, also known as a natural ester-filled transformer, is an environmentally friendly power transformer that uses vegetable oil as an insulating and cooling medium instead of traditional mineral oil. This type of transformer is designed to reduce the environmental impact of transformer operation, improve safety, and enhance sustainability.
Pearl Electric's Vegetable Oil Transformer normally apply to Wind Farms, Solar Power Plants, Hydropower Station,Data Center and Urban Areas etc.
The use of vegetable oil in transformers plays two key roles in this process:
Insulation: Good insulation is required between the windings of the transformer, between the windings and the core, and between the windings and the casing. Vegetable oil can fill the gaps between these parts to prevent electrical breakdown. Its insulating properties ensure that the transformer can operate safely at high voltages, just like an insulating barrier that prevents current from flowing in paths where it should not flow.
Cooling: The transformer generates heat during operation, mainly due to iron loss (core loss) and copper loss (winding loss). Vegetable oil can absorb this heat and transfer the heat to the transformer casing through convection and other means, and then dissipate it into the surrounding environment, thereby keeping the internal temperature of the transformer within a normal range.
Features of vegetable oil
Environmental protection
Vegetable oil is a renewable resource, mainly derived from natural plant seeds, such as rapeseed oil, soybean oil, etc. Compared with mineral oil, it has less impact on the environment during production and use. When vegetable oil leaks, it can be decomposed by microorganisms in the natural environment and will not cause long-term pollution to soil, water bodies, etc. like mineral oil.
Safety
The flash point of vegetable oil is relatively high, generally above 300°C. The flash point refers to the lowest temperature at which a mixture of vapor and air emitted by a liquid can flash when it comes into contact with a fire source. The high flash point means that during the operation of the transformer, even if there is local overheating, vegetable oil is not easy to burn, greatly reducing the risk of fire.
Biodegradability
Vegetable oil has good biodegradability. It can be decomposed by microorganisms in a shorter period of time, reducing the impact on the ecosystem.
An oil-immersed distribution transformer, also known as an oil-filled distribution transformer, is a type of electrical transformer that uses oil as both an insulating and cooling medium. These transformers are widely used in electrical power distribution and transmission networks due to their efficiency and reliability. Pearl Electric a professional and reliable manufacturer of oil immersed power transformers, designs and produces 500-2500KVA oil immersed distribution transformers.
According to the customer's project requirements, we provide customized transformer services.
According to the different insulation materials, Pearl Electric can provide mineral oil distribution transformers without PCB, environmentally friendly FR3 vegetable oil immersed power transformers, and NINAS oil power transformers.
According to the different requirements of iron core materials, Pearl Electric can provide oil-immersed transformers with silicon steel sheet iron cores and oil immersed transformers with amorphous alloy iron cores. Among them, amorphous alloy oil immersed transformers are ultra-high efficiency transformers with losses only 20-30% of silicon steel sheet transformers, which are very suitable for projects with high energy efficiency requirements.
Pearl Electric, an experienced transformer manufacturer since 1958, design and produce various cast resin dry type transformer for different application include rectification transformer, marine/offshore oil platform transformer, rectification traction transformer, Transformer for electrified railway station, Rectification excitation transformer etc.
| Items | Item |
| Origin | China |
| Manufacturer | Pearl Electric Co., Ltd. |
| Brand | Pearl Electric |
| Production Descriptions | High Quality Oil Immersed Voltage DistributionTransformer |
| Reference standards | IEC 60076-11 |
| Capacity55 | 2500kVA |
| Frequency | 60 / 50Hz |
| Voltage (HV) | 13.8KV or customized |
| Voltage (LV) | 0.42KV or customized |
| Impedance | 4%-6% |
| Connections (Vector Group) | Dyn11 |
| Tapping Range | ±2×2.5% |
| Core materials | Silicon Steel |
| Winding materials | Aluminum or copper |
| Lightning Impulse Withstand Voltage | IEC standard |
| AC withstand voltage | IEC standard |
| Temperature Rise class | H-class |
| Temperature Rise | 125K |
| Cooling method | ONAN/ONAF |
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