Single phase Capacity 5 to 333kVA Customizable Voltage transformer Distribution Transformer providing and voltage transformation solutions

Product Description:

The Oil Immersed Transformer is a vital component in power distribution systems, designed to provide reliable and efficient voltage regulation for various industrial, commercial, and residential applications. As a power and distribution transformer, it plays a crucial role in stepping voltage levels up or down to meet the specific requirements of electrical networks, ensuring the safe and stable delivery of electricity.

This transformer is available with multiple cooling classes including ONAN (Oil Natural Air Natural), ONAF (Oil Natural Air Forced), OFAF (Oil Forced Air Forced), and OFWF (Oil Forced Water Forced), allowing it to operate efficiently under different load conditions and ambient temperatures. These advanced cooling methods help maintain optimal operating temperatures, thereby extending the lifespan of the transformer and enhancing its performance.

One of the standout features of this product is its voltage rating options. It is commonly available in standard configurations such as 12.47kV/7.2kV and 13.8kV/480V, catering to a wide range of power distribution needs. Additionally, the transformer can be fully customized to meet specific voltage requirements, making it adaptable to unique project specifications and regional standards.

Designed as a three-phase transformer, it supports balanced and efficient power transmission across three electrical phases, which is essential for industrial and commercial power systems. The three-phase design ensures smooth operation and helps to minimize energy losses during distribution.

This Oil Immersed Transformer features a fully sealed oil-immersed design, which provides superior insulation and cooling capabilities. The sealing protects the insulating oil from contamination and oxidation, thereby maintaining its dielectric strength and thermal properties over time. This fully sealed construction also prevents moisture ingress, significantly reducing the risk of insulation failure and extending the transformer's operational life.

The transformer's core and windings incorporate transformer Oxygen-Free Copper, which enhances electrical conductivity and reduces energy losses. The use of oxygen-free copper ensures high efficiency and improved thermal performance, contributing to lower operating costs and greater reliability. This high-quality material also offers excellent mechanical strength and resistance to corrosion, supporting the durability of the transformer under demanding environmental conditions.

Another key attribute of this product is its customizable connection group label. This feature allows users to specify the desired electrical connection configurations to align with their system requirements, whether it involves delta, wye, zigzag, or other specialized connection groups. Such flexibility ensures seamless integration into existing power networks and optimizes system performance.

In summary, the Oil Immersed Transformer is a robust and versatile solution for power and distribution applications. Its combination of advanced cooling classes, customizable voltage ratings, and three-phase design makes it suitable for a broad spectrum of electrical distribution needs. The fully sealed oil-immersed structure enhances reliability and longevity, while the use of transformer Oxygen-Free Copper supports superior efficiency and performance. With customizable connection group labels, this transformer can be tailored to meet precise operational demands, making it an ideal choice for modern power distribution systems.

Features:

Technical Parameters:

The transformer offers a capacity range from 50kVA up to 2500kVA, suitable for various power requirements. It operates on a three-phase system with a frequency of either 50Hz or 60Hz, accommodating different regional standards. Designed primarily for outdoor use, it features a pad-mounted installation type for ease of setup and maintenance.

This transformer supports customizable primary voltage options including 12.47kV, 13.8kV, and 25kV, while the secondary voltage can be tailored among 480V, 277V, 208V, and 120V to meet specific application needs. The winding material utilized is high-purity oxygen-free copper, ensuring excellent conductivity and durability.

Efficiency is a key aspect, with no-load losses kept below 0.2% of the rated capacity and load losses under 1.0%. The impedance voltage ranges from 4% to 6% as standard but can be customized. Cooling is managed through an oil-immersed (ONAN) method, maintaining optimal operating temperatures.

The insulation class adheres to ANSI FR3 and Class H standards, offering reliable thermal performance. Protection is ensured by an IP54-rated enclosure, which is both weatherproof and dustproof, making it well-suited for harsh outdoor environments. For safety and durability, the transformer meets the ANSI C57.12.00 short-circuit withstand requirements, and noise levels are kept at or below 60dB measured at a one-meter distance.

Constructed from corrosion-resistant galvanized steel, the tank provides enhanced longevity. It is hermetically sealed to prevent oil leakage, complemented by accessories such as a pressure relief valve, oil level indicator, and temperature gauge for effective monitoring and maintenance.

The transformer holds several certifications including ANSI C57, IEC 60076, UL, and CE, ensuring compliance with international standards. Additionally, customization options are available for voltage ratio, capacity, tap changer, and enclosure color to better suit client specifications.

Applications:

The TNNPI Oil Immersed Transformer, model PadMount, is widely utilized in various power distribution scenarios due to its robust design and reliable performance. Originating from Henan and certified with CE, ISO, and UL standards, this UL transformer ensures high-quality and safety compliance, making it an ideal choice for both industrial and commercial power applications. Its oil insulation technology enhances durability and cooling efficiency, which is essential for maintaining optimal operation under different load conditions.

This transformer is particularly suited for pad-mounted installation, which provides a compact and secure solution for outdoor power distribution. The pad-mounted design facilitates easy access for maintenance while protecting the transformer from environmental factors. It is commonly used in urban and suburban power grids, residential communities, commercial complexes, and industrial parks where underground power distribution is preferred to maintain aesthetic and safety standards.

With a voltage rating of 12.47kV/7.2kV, 13.8kV/480V, or customizable options, the TNNPI PadMount transformer supports a wide range of distribution needs. Its single-phase capacity ranges from 5 to 333 kVA, making it versatile enough to handle small to medium power loads effectively. The transformer features various connection symbols such as Yd11, Yyn0, and Dyn11, allowing it to be adapted to different network configurations and operational requirements.

The internal components include a transformer Oxygen-Free Copper winding, which significantly improves conductivity and reduces energy losses, thus enhancing overall efficiency and longevity. The use of high-quality materials combined with advanced manufacturing processes ensures reliable performance in demanding environments.

Packaging is done meticulously using a wooden crate combined with a steel frame to ensure safe transportation and delivery within 7-14 business days. With flexible payment terms including T/T and Western Union, and supply capabilities supporting OEM and ODM, TNNPI caters to diverse customer needs globally. The minimum order quantity of just one unit allows customers to procure transformers tailored to their specific project requirements.

In summary, the TNNPI Oil Immersed PadMount transformer is an excellent choice for power and distribution transformer applications where reliability, safety, and efficiency are paramount. Its oil insulation, oxygen-free copper windings, and UL certification, combined with adaptable installation and connection options, make it a trusted solution for modern electrical distribution systems.