Oil Immersed Transformer Single Phase Distribution Transformer Capacity 5 333kVA Providing Stable Power Supply Solutions
Product Description: The Oil Immersed Transformer is a highly reliable and efficient electrical device designed to meet a wide range of power distribution needs. This transformer is available in the S13 type or can be fully customized to suit specific application requirements, offering flexibility ...
single phase oil immersed transformer
,5-333kVA distribution transformer
,oil transformer with stable power supply
Product Description:
The Oil Immersed Transformer is a highly reliable and efficient electrical device designed to meet a wide range of power distribution needs. This transformer is available in the S13 type or can be fully customized to suit specific application requirements, offering flexibility and adaptability to various industrial and commercial environments. Its robust design ensures optimal performance and longevity, making it an excellent choice for power transmission and distribution systems.
One of the key features of this oil immersed transformer is its cooling class options, which include ONAN (Oil Natural Air Natural), ONAF (Oil Natural Air Forced), OFAF (Oil Forced Air Forced), and OFWF (Oil Forced Water Forced). These cooling methods enhance the transformer's thermal management capabilities, ensuring efficient heat dissipation and maintaining optimal operating temperatures even under heavy load conditions. This versatility allows the transformer to be used in diverse climates and operational scenarios, providing stable and continuous power supply.
Designed primarily for three-phase power systems, this transformer supports a variety of voltage ratings, including 12.47kV/7.2kV, 13.8kV/480V, or customizable options based on specific project requirements. This makes it suitable for a broad spectrum of power distribution applications, from utility grids to industrial plants. The customizable connection group label further allows for tailored electrical configurations, ensuring compatibility with existing infrastructure and maximizing system efficiency.
The transformer is engineered for pad-mounted installation, which simplifies setup and reduces the need for extensive infrastructure modifications. Pad-mounted transformers are known for their compact design, safety, and ease of maintenance, making them ideal for urban and suburban power distribution networks. This installation style also enhances the aesthetic integration of the transformer into the environment, minimizing visual impact while maintaining high performance.
Incorporating an on-load tap-changer, this power transformer enables voltage regulation without interrupting the load, ensuring a stable and consistent power supply. The on-load tap-changer feature is particularly valuable in managing voltage fluctuations and optimizing system performance, thereby enhancing the reliability of electrical networks. This capability is essential for maintaining power quality and protecting sensitive equipment connected to the grid.
Furthermore, this 50Hz transformer is designed to operate efficiently within the standard frequency used in many regions worldwide, ensuring compatibility and compliance with international power standards. Its oil-immersed construction provides excellent insulation and cooling, which significantly extends the service life of the transformer by protecting internal components from environmental and operational stresses.
Overall, the Oil Immersed Transformer combines advanced technology, customizable options, and robust construction to deliver superior performance in power distribution. Whether used in utility networks, industrial facilities, or commercial installations, it offers reliable voltage transformation, efficient cooling, and flexible installation options. Its design prioritizes safety, durability, and operational efficiency, making it a trusted solution for modern power systems that demand consistent and high-quality electrical supply.
Features:
Our transformers offer a wide capacity range from 50kVA to 2500kVA, accommodating various voltage levels including 12.47kV, 13.8kV, and 25kV on the primary side, and 480V, 277V, 208V, and 120V on the secondary side. This versatility makes them an excellent choice for commercial, industrial, and utility distribution networks.
The use of high-purity copper winding material ensures low electrical resistance, resulting in minimal copper losses and superior conductivity. This design guarantees long-term stable performance and efficient operation over the transformer's lifespan.
Our products meet rigorous industry standards including ANSI C57, IEC 60076, and UL certifications. These approvals confirm compliance with stringent international quality and safety requirements, making our transformers suitable for global markets.
We offer strong customization capabilities, allowing for tailor-made solutions that fit your specific project requirements. Options such as capacity, voltage ratios, tap changer settings, and enclosure specifications can be adjusted to match your exact needs.
The transformers feature a fully sealed, oil-immersed structure housed within a corrosion-resistant steel tank. This design is oil-leakage proof, weatherproof, and tamper-resistant, making it ideal for outdoor pad-mounted installations.
Designed with low noise levels and ultra-low iron losses, our transformers help reduce energy consumption and operational costs. This makes them particularly suitable for energy-saving initiatives.
Each unit is pre-wired and pre-tested at the factory, enabling plug-and-play installation without the need for on-site assembly. This approach significantly saves labor and reduces construction time.
Maintenance requirements are minimal. The transformers come equipped with a pressure relief valve and an oil level indicator to facilitate easy monitoring. With proper care, the service life can extend beyond 30 years.
Technical Parameters:
The transformer supports a capacity range from 50 kVA up to 2500 kVA, making it suitable for various power distribution needs. It operates on a 3-phase system with a frequency of either 50Hz or 60Hz.
Designed for outdoor installation, the transformer is pad-mounted to ensure stability and ease of access. The primary voltage options include 12.47kV, 13.8kV, and 25kV, all of which can be customized to suit specific project requirements. The secondary voltage levels are likewise customizable, with standard options of 480V, 277V, 208V, and 120V.
The windings are constructed from high-purity oxygen-free copper, enhancing electrical conductivity and durability. The transformer exhibits excellent efficiency, with no-load losses limited to 0.2% or less of the rated capacity, and load losses capped at 1.0% or less.
Impedance voltage typically ranges between 4% and 6%, though this too can be tailored to customer specifications. Cooling is achieved through an oil-immersed method (ONAN), ensuring stable temperature management during operation. The insulation class adheres to ANSI FR3 and Class H standards for reliable dielectric performance.
The transformer casing is made from corrosion-resistant galvanized steel, providing long-lasting protection against environmental elements. It is hermetically sealed to prevent oil leakage, supported by accessories like a pressure relief valve, oil level indicator, and temperature gauge for monitoring.
Protection is further reinforced with an IP54 rating, ensuring resistance to dust and weather conditions. The unit complies with ANSI C57.12.00 standards for short-circuit withstand capability, and maintains a noise level below 60 decibels when measured at a distance of one meter.
This transformer is certified according to multiple international standards, including ANSI C57, IEC 60076, UL, and CE, reflecting its quality and safety. Customers have the flexibility to customize voltage ratios, capacity, tap changers, as well as the enclosure color to match specific project needs.
Applications:
The TNNPI Oil Immersed Transformer, model PadMount, is an ideal solution for a wide range of electrical power distribution applications. Originating from Henan, this three-phase transformer is ANSI/UL Certified, ensuring compliance with the highest safety and performance standards. It is specifically designed to meet the rigorous requirements of modern power systems, making it suitable for both urban and rural environments.
This transformer is commonly used in electric utility networks for stepping down medium voltage to low voltage, with voltage ratings such as 12.47kV/7.2kV, 13.8kV/480V, or customizable options to match specific operational needs. Its single phase capacity ranges from 5 to 333kVA, providing flexible solutions for different load demands. The PadMount transformer supports various connection configurations, including Yyn0 and Dyn11, accommodating diverse system designs and ensuring optimal performance.
Engineered to meet the ANSI C57 standard and certified with CE, ISO, and UL marks, the TNNPI transformer guarantees reliable and safe operation in harsh environments. This transformer 25kV variant is particularly suitable for industrial parks, commercial buildings, residential complexes, and renewable energy projects where dependable voltage regulation is crucial. Its robust construction, combined with oil immersion, allows for excellent heat dissipation and long service life.
The TNNPI PadMount transformer is also favored for its cost-efficiency, offering the best price and best quality in China. It comes securely packaged in wooden crates with steel frames to ensure safe delivery within 7-14 business days. With a minimum order quantity of just one unit, and flexible payment terms including T/T and Western Union, it is accessible for both small-scale and large-scale projects. Additionally, OEM/ODM services are available to customize specifications according to client requirements.
In summary, the TNNPI Oil Immersed PadMount transformer is an excellent choice for power distribution systems requiring ANSI/UL Certified transformers. Its compliance with transformer ANSI C57 standards, versatile voltage ratings, and reliable performance in transformer 25kV applications make it indispensable for modern electrical infrastructure demands.
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