10KV 50KVA Oil-immersed Power Station Transformer 10 Copper Three Phase 50Hz/60Hz Frequency
10KV 50KVA Oil-immersed Power Station Transformer 10 Copper Three Phase 50Hz/60Hz Frequency
1. Product Overview
The 10KV 50KVA Oil-immersed Power Station Transformer is a compact, high-reliability three-phase distribution transformer engineered for universal power grid operation. Built with pure 10 copper winding construction, this 50KVA medium-voltage power conversion device supports dual 50Hz and 60Hz operating frequencies, making it adaptable to power system standards across most regions worldwide. Designed specifically for 10KV high-voltage grid access, it serves as a core step-down unit for small-scale power stations, municipal distribution networks, and decentralized power supply sites, delivering consistent low-voltage output for terminal electrical loads.
As a standard oil-filled power station transformer, it adopts proven oil natural air natural (ONAN) cooling technology and a fully sealed welded steel tank structure. The premium 10 copper windings ensure excellent electrical conductivity, low internal resistance, and minimal power loss compared to aluminum-wound alternatives. Optimized three-phase magnetic circuit balancing eliminates phase current deviation, while the dual-frequency design removes frequency compatibility barriers for cross-regional power projects. Every unit undergoes rigorous factory testing for voltage stability, insulation performance, and load endurance to meet IEC and local grid operational standards.
This 10KV three-phase oil-immersed transformer features a streamlined, space-saving structure suitable for both indoor substation installation and outdoor pole-mounted or foundation placement. Its 50KVA rated capacity is precisely calibrated for light-to-medium load scenarios, avoiding energy waste from oversized equipment while maintaining sufficient load margin for peak power consumption. Combining durable oil insulation, anti-corrosion housing, and high-precision copper winding technology, it stands as a cost-effective and low-maintenance solution for stable medium-to-low voltage power conversion.
2. Core Purpose
The primary core purpose of the 10KV 50KVA Copper Winding Oil-immersed Transformer is safe and efficient voltage step-down and power distribution in 10KV grade power grids. It reliably converts 10KV medium-voltage industrial and grid power into usable low-voltage electricity for civilian, commercial, and light industrial equipment, acting as a critical transitional link between high-voltage transmission lines and end-user power loads.
Thanks to its high-purity 10 copper winding structure, this dual-frequency 50Hz/60Hz power station transformer effectively reduces no-load loss and operational heat generation, achieving energy-saving power distribution and lowering long-term grid operating costs. It stabilizes fluctuating grid voltage and balances three-phase load distribution, preventing power quality issues such as voltage surge, current imbalance, and power flicker that commonly occur in decentralized power supply systems. This steady power regulation capability ensures consistent power quality for sensitive terminal equipment.
Beyond basic voltage conversion, the equipment provides reliable electrical isolation between high-voltage and low-voltage circuits. The high-performance insulating oil delivers superior dielectric strength, blocking high-voltage surge transmission and preventing electric leakage faults. It also supports stable operation during frequent load switching, ensuring continuous power supply for unattended power stations, remote distribution points, and backup power systems under both 50Hz and 60Hz grid conditions.
3. Application Scenarios
3.1 Small Power Station & Substation Matching
This 10KV 50KVA oil-immersed power station transformer is widely used in small hydropower stations, photovoltaic power stations, wind power decentralized generation stations, and mini municipal substations. Its 50KVA moderate capacity perfectly matches the power output of small new energy power generation equipment, while dual 50Hz/60Hz frequency compatibility adapts to different regional grid grid-connection standards. The copper winding structure ensures stable power grid integration and efficient power transmission for distributed power projects.
3.2 Urban & Rural Civil Power Distribution
It is an ideal power distribution device for rural power grid renovation, suburban residential clusters, and small-town power supply areas. The compact three-phase transformer can stably support daily household electricity, community public lighting, and residential auxiliary electrical equipment. Its excellent voltage stabilization performance solves common problems of low voltage and unstable power supply in remote residential areas, greatly improving civilian power consumption experience and grid operation stability.
3.3 Light Industrial & Small Commercial Scenarios
Suitable for small processing workshops, rural handicraft factories, street commercial stores, community supermarkets, and office service facilities. These scenarios feature scattered loads and frequent power switching, and the 50KVA rated capacity fully meets the power demand of light industrial machinery, commercial lighting, office equipment, and air conditioning systems. The oil-immersed cooling structure adapts to long-term intermittent operation of small industrial and commercial loads with strong tolerance.
3.4 Remote & Temporary Power Supply Projects
The transformer performs exceptionally well in remote mountainous areas, pastoral zones, highway maintenance stations, field engineering bases, and temporary construction power supply sites. Its fully sealed waterproof and dustproof structure adapts to harsh outdoor environments, while dual-frequency versatility suits overseas temporary engineering projects. As a portable and stable power conversion device, it effectively solves power supply difficulties for off-grid and remote construction scenarios.
4. Product Features
4.1 Premium 10 Copper Winding for Low Loss Performance
Adopting high-standard 10 pure copper windings, this three-phase oil-immersed transformer boasts ultra-low resistivity and excellent electrical conductivity. Compared with conventional aluminum winding transformers, it significantly reduces load loss and heat generation during long-term operation. The precision wound copper coils ensure uniform current distribution across three phases, minimizing power attenuation and improving overall power transmission efficiency. This core material advantage extends equipment service life and cuts daily operation and maintenance costs effectively.
4.2 Dual 50Hz/60Hz Frequency Universal Adaptability
Different from single-frequency fixed transformers, this 10KV 50KVA power station transformer supports both 50Hz and 60Hz grid operation without structural modification. The internally optimized core and winding parameters adapt to frequency differences between Asian-European 50Hz power grids and American-Southeast Asian 60Hz power systems. It delivers stable voltage conversion and consistent power output under both frequency standards, offering high versatility for domestic and overseas power engineering projects.
4.3 Stable Operation & Excellent Insulation Performance
Filled with high-purity anti-aging insulating oil and equipped with a fully sealed integral steel tank, the equipment features outstanding waterproof, moisture-proof, and insulation properties. The sealed structure isolates external air and dust, preventing insulation aging and oil deterioration. The professional three-phase magnetic circuit design avoids core saturation and magnetic flux leakage, ensuring low voltage regulation rate and zero obvious fluctuation in low-voltage output even under peak load and variable load conditions.
4.4 Strong Environmental Adaptability & Durability
Designed for all-weather outdoor and indoor operation, the transformer shell adopts multi-layer anti-rust and anti-corrosion spraying technology to resist wind, sun, rain, and temperature erosion. The ONAN natural cooling system operates silently and efficiently, maintaining stable heat dissipation in high-temperature environments and avoiding overheating failure. It can work continuously in the temperature range of -40℃ to +55℃, with strong environmental tolerance and stable long-term unattended operation capability.
4.5 Compact Structure & Wide Application Flexibility
With a compact integrated design, this 50KVA 10KV oil-immersed transformer occupies minimal installation space and supports diversified installation methods including pole mounting, ground foundation installation, and indoor substation placement. The standardized wiring interface simplifies on-site installation and debugging procedures, shortening project construction cycles. Its moderate capacity covers most small and medium load scenarios, with high cost performance and flexible matching for power station supporting, grid renovation, and temporary power supply projects.
5. Frequently Asked Questions (FAQ)
5.1 What is the key advantage of 10 copper winding over aluminum winding transformers?
The 10 copper winding used in this oil-immersed power station transformer has far better electrical conductivity and lower resistivity than aluminum materials. In actual operation, copper windings generate less heat, reduce power loss, and avoid excessive temperature rise under long-term load operation. Meanwhile, copper winding structure features stronger oxidation resistance and structural stability, effectively preventing coil aging and short-circuit faults. It delivers more stable three-phase current balance, lower failure rate, and longer service life, making it more suitable for long-term continuous operation of power station equipment.
5.2 Can this dual-frequency transformer switch freely between 50Hz and 60Hz grids?
Yes, this 10KV 50KVA three-phase transformer is professionally calibrated for dual 50Hz/60Hz frequency operation. It can adapt to grid frequency switching without manual parameter adjustment or structural modification. Whether used in conventional 50Hz domestic power grids or overseas 60Hz power systems, it maintains consistent voltage conversion efficiency and stable output quality. The dual-frequency design eliminates equipment replacement costs for cross-regional projects and greatly improves equipment universal applicability.
5.3 What load scenarios are suitable for the 50KVA capacity specification?
The 50KVA capacity is specially optimized for light and medium load power distribution scenarios. It is fully applicable to small new energy power stations, rural residential communities, small street commercial areas, and light industrial workshops with stable daily power consumption. It can easily cope with daily conventional loads and short-term peak power loads. It is not suitable for large industrial high-load equipment and long-term full-load heavy-duty operation scenarios, where higher-capacity oil-immersed transformers are recommended to avoid long-term overload operation affecting service life.
