EC Insulator Jiangxi Co., Ltd. is one of the most reliable manufacturers and suppliers of oil immersed type transformer in China. With abundant experience, we are committed to offering high quality custom service. Please feel free to wholesale premium oil immersed type transformer made in China here from our factory.
Product Description
The oil immersed type transformer immerses windings and core in insulating oil, which serves as insulation and cooling medium to realize voltage transformation by electromagnetic induction.
It consists of silicon steel core, windings, fuel tank and insulating oil. With good heat dissipation performance and strong overload capacity, it includes conventional type and hermetically sealed oil filled type.
The transformer operates stably with low noise and high cost performance. It is widely used in urban and rural power distribution systems and manufactured in accordance with relevant IEC and GB standards.
Product Advantages
All oil immersed transformers are developed, produced and inspected following official industry norms.
International Standards
- IEC 60076 Series (Power transformers)
- IEC 60296 (Mineral insulating oil for electrical equipment)
China National Standards
- GB/T 1094 Series
- GB/T 6451Core Construction
3.1 Core Material
Low-loss grain-oriented silicon steel cuts no-load power loss and boosts energy efficiency.
3.2 Lamination Structure
Stepped stacked core minimizes magnetic leakage, eddy loss and running noise; insulating coating offers extra surface protection.
3.3 Fastening Structure
Rigid clamping frame locks the core firmly, suppresses vibration and guarantees stable long-term operation.
Protection Configuration
4.1 Sealing and Anti-leakage Protection
The oil immersed type transformer adopts robust welded tank structure. Optimized sealing design reduces the leakage risk of insulating oil and guarantees stable long-time operation.
4.2 Over-temperature Protection
Temperature monitoring devices can be installed on the oil immersed type transformer to track oil temperature. Alarm or trip signals will be triggered once overheating occurs to prevent insulation damage of windings.
4.3 Overload and Short-circuit Protection
Matching protective devices can be configured for the oil immersed type transformer to provide effective protection against overload and short-circuit faults and avoid equipment burnout.
4.4 Earthing Protection
Standard earthing terminals are reserved on the tank of the oil immersed type transformer. Reliable grounding eliminates risks of induced overvoltage and improves operation safety.
Packaging and Logistics
The oil immersed type transformer is packed according to product size, transportation requirements and delivery conditions. Protective measures are applied to prevent damage during loading, transportation and storage. Before shipment, the transformer is inspected and properly fixed to ensure safe transportation. Packaging solutions such as moisture protection and impact protection can be provided for long-distance delivery. The transformer can be transported by sea, road or railway according to customer requirements.
Maintenance and Service Protection
The oil immersed type transformer is designed for reliable long-term operation with simple maintenance requirements. Regular inspection of oil level, oil quality, temperature and sealing condition is recommended to ensure stable performance. Key components such as bushings, terminals and protective devices should be checked periodically to maintain safe operation. Professional technical support and maintenance guidance are available during the service life of the transformer. Spare parts and after-sales service can be provided according to customer requirements.
Standard Technical Parameters
5.1 Rated Capacity
The oil immersed type transformer covers various standard rated capacities to meet different power distribution requirements. Customized capacities are available upon customer request.
5.2 Rated Voltage
The oil immersed type transformer supports multiple matching combinations of high voltage and low voltage, adapting to different voltage levels of power grids.
5.3 Loss and Energy Efficiency
The oil immersed type transformer adopts low-loss core and winding design, featuring low no-load loss and load loss to achieve good energy-saving effect during continuous operation.
5.4 Insulation and Temperature Rise
The oil immersed type transformer complies with standard insulation grades. The temperature rise of windings and insulating oil can be controlled within the specified range under rated working conditions.
5.5 Operating Conditions
The oil immersed type transformer is suitable for indoor and outdoor installation, adapting to common ambient temperature and humidity in power distribution scenarios.
Product Advantages
The oil immersed type transformer adopts high-performance low-loss silicon steel core and optimized winding structure, greatly reducing no-load loss and load loss with outstanding energy-saving effect.
The oil immersed type transformer uses optimized stepped lamination and integral fastening structure, which effectively restrains vibration and noise, ensuring stable operation under long-term continuous load.
The oil immersed type transformer has a solid welded tank and reliable sealing performance. It is suitable for indoor and outdoor environments with good moisture-proof, dust-proof and anti-aging ability.
Packaging & Logistics
Packaging schemes are customized based on transformer size and transport mode. Shockproof and moisture-proof fillers are added to avoid collision and oil leakage during loading, transit and storage. Every unit undergoes full inspection and firm fixing before shipment.
We support sea, land and railway transportation to match clients' delivery demands, with export fumigated wooden pallets as standard packaging.
Maintenance & After-Sales Support
This transformer is built for long stable service with minimal daily upkeep. Users only need to regularly check oil level, oil quality, running temperature and sealing status. Periodic inspection of bushings, terminals and protective devices is suggested to eliminate hidden dangers.
We offer lifelong technical consultation for all sold transformers. Besides regular spare parts supply, our after-sales team responds quickly to overseas clients' daily operation and maintenance inquiries.
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