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S13-M.D Type Underground Transformer
S13-M.D Type Underground Transformer

S13-M.D Type Underground Transformer

Product Overview: Underground transformer: a distribution transformer or combined transformer that can be installed in a pit. It is generally installed in the pit, does not occupy the effective space on the surface, does not affect the visual effect, makes the power supply equipment and the surrounding environment harmonious and unified, and can avoid inadvertent or intentional damage by the outside world, and the impact on the surrounding environment and personnel of the equipment can also be reduced to a minimum. With the deepening of urban development and urban power grid transformation, underground transformers that are safe, reliable, and do not occupy surface space are gradually applied in road lighting, civil power, and electricity in central urban areas Airports, city squares, highways, Bridges, tunnels, etc. Product characteristics: Suitable for urban environments (installed in basements or urban pipes), especially in densely populated central cities; Suitable for streets, highways, Bridges, tunnels, parking lots, airports, ports, tourist attractions, and other lighting and power systems; The high and low-voltage inlet and outlet lines are waterproof, fully sealed, fully insulated, and fully shielded. The box shell is made of anti-corrosion steel plate or stainless steel, fully sealed, and can be immersed in water for a period of time; The protection system fully considers the convenience and safety of operation, and the accessories are made by American COOPER Company or domestic high-quality products with the same performance; The operation rod is used to operate the underground transformer, which has the same operation mode as the combined transformer. Considering the particularity of heat dissipation conditions, the transformer adopts low-loss and low-temperature design; Install waterproof entry protection and automatic drainage measures in the transformer cellar.
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  • Waterproof measures for underground transformers:
    1. Waterproof consideration in basic design and production
    Top: ventilation hole with effective rain and waterproof ability;
    The reverse part: the two surfaces are treated with waterproof concrete material so that water seepage cannot invade from the side of the pit;
    Bottom: The waterproof concrete load-bearing base installed with the underground transformer is 300mm higher than the bottom of the pit, and the water flowing from the ground to the pit usually flows to the ring below the base, and will not soak into the underground transformer.
    2, the bottom of the foundation is laid with water sand pebbles, so water can penetrate the ground faster.
    3, the underground transformer limit allows the operation of submerged water below 0.5m within a certain period of time, which can overcome flood disasters and effectively improve the reliability of the power supply system. However, in order to ensure the safe and reliable operation of the underground transformer, it is recommended to check the water in the pit after the flood, long-term storms, and rainy season, such as more water, it is recommended to take pumping and cleaning.

    Measures for temperature rise control of underground transformer
    1, transformer low-temperature rise design, the top oil temperature control profit is about 45K, lower than the national standard of 60K, the design idea is:
    (1) The heat load is directly proportional to the loss. The raw materials used in the underground transformer blue designed and produced by our company are low-loss products. Compared with GB6451-1999, the no-load loss is 30% lower and the load loss is 15% lower. Compared to the 9 series, the no-load loss is 20% lower, so the heat load is low.
    (2) The use of naphthenic transformer oil, without adding additives can make the oil medium flow freely under very low abuse, and its good viscosity-time characteristics make the oil flow speed up when the temperature rises, to ensure that the product has good heat dissipation capacity.
    2. Box structure
    Underground transformer tank wall heat dissipation mainly depends on radiation. Heat always radiates from the heating body in the form of waves into the surrounding medium at a lower temperature. The energy of the radiation depends on the temperature, the shape of the heating body, and its surface color. Therefore, the underground transformer is used for a flat fuel tank and flat heating sheet to enhance auxiliary emissions.
    3, surface treatment;
    Because the underground transformer body is installed under a cool surface, the special surface treatment process is used to ensure that it has good heat radiation capacity and strong corrosion resistance.
    4. Basic production
    The heat dissipation between the foundation and the outside world depends on heat conduction and air convection, and the top of the foundation can be provided with vents and wind deflectors to strengthen air circulation.

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About HUBANG

Jiangsu Beichen Hubang Electric Power Co., Ltd. is a professional manufacturer with 16 years of transformer manufacturing experience.

Our Company is China S13-M.D Type Underground Transformer Manufacturers and S13-M.D Type Underground Transformer Suppliers. In order to better respond to the market situation, vigorously invest in silicon steel production projects, as the upstream product of transformers, silicon steel production and manufacturing project Silicon steel production and manufacturing project will be completed in two phases, the of the project has been tested in March 2022, to achieve an annual output of 25,000 tons of silicon steel, the second phase of the project will cooperate with Wisco to develop more high-end brands, silicon steel production capacity is expected to reach 80,000 tons. After the full volume of the project, the transformer industry will achieve a larger scale and achieve a stronger competitive advantage with the high-quality development of the manufacturing industry. Secondly, our company has developed a core intelligent stacking machine after three years to improve the quality and efficiency of iron core stacking. Last year, our company introduced the industrial precision welding robot arm to improve the welding process of transformer oil tank and complete the welding work of transformer oil tank with high quality and quantity.

Finally, Hubang Power's new factory intelligent workshop will be ready to put into operation in 2024, to achieve the full line of intelligent production of transformers as much as possible, which will greatly improve the efficiency of transformer products and increase the quality of related products.

Mission: Make power transmission safer and more energy efficient, and promote the development of China's high-end power equipment industry.
Vision: To become a highly trusted power equipment manufacturer.
Core values: scientific and technological innovation, unity and cooperation, continuous struggle, harmonious coexistence.
Jiangsu Beichen Hubang Electric Power Co., Ltd.

We’re a reliable partner that shapes our expertise into success for your project.

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1. Unveiling the Ingenious Design of S13-M.D Type Underground Transformers
The S13-M.D Type Underground Transformer represents a pinnacle of innovation in the field of power distribution. At the heart of its design lies a careful integration of engineering principles aimed at optimizing efficiency, reliability, and adaptability.
The S13-M.D Type features a compact and modular design, leveraging advanced construction materials to withstand the challenges of underground environments. For example, high-quality insulation materials ensure optimal electrical performance even in conditions of high humidity or temperature variations. The modular design allows for easy customization, making it adaptable to diverse underground spaces and power distribution configurations.
The magnetic core design of S13-M.D Type Transformers is optimized for minimal energy losses, contributing to high efficiency in energy transfer. Engineers have meticulously balanced factors like magnetic flux density and core material selection to achieve optimal performance. Understanding the intricate design principles of S13-M.D Type Underground Transformers unveils the engineering brilliance that makes them reliable and efficient components in power distribution networks.

2. Efficiency Redefined: Technological Advancements of S13-M.D Type Underground Transformers
S13-M.D Type Underground Transformers leverage cutting-edge technologies to redefine efficiency standards in modern power distribution. One key technological advancement is the use of advanced insulation materials. For instance, the incorporation of high-temperature-resistant materials enhances the transformer's resilience to environmental challenges, ensuring prolonged service life and reliability. These materials not only contribute to efficiency but also align with sustainability goals by reducing the need for frequent replacements.
Digital monitoring systems are another notable feature, providing real-time data on the transformer's operational status. This proactive approach to monitoring enables early detection of potential issues, allowing for timely maintenance and minimizing downtime. Additionally, smart control mechanisms optimize energy transfer, adapting to varying load conditions and ensuring optimal performance under dynamic operational scenarios.
The integration of these technologies results in S13-M.D Type Transformers that not only meet but exceed the efficiency expectations of modern power distribution. These transformers contribute to the overall stability and reliability of the electrical grid, making them integral components in the evolving landscape of energy distribution.

3. S13-M.D Type Underground Transformers: Meeting the Challenges of Modern Urban Infrastructure
In the dynamic landscape of modern urban infrastructure, S13-M.D Type Underground Transformers emerge as a solution tailored to address the unique challenges posed by densely populated areas. Limited space availability is a critical consideration in urban environments. S13-M.D Type Transformers excel in this aspect with their compact design, allowing for installation in constrained spaces without compromising on performance.
Environmental considerations are paramount, especially in urban settings where sustainability is a key focus. S13-M.D Type Transformers, with their advanced insulation materials and eco-friendly design, align with global efforts to reduce environmental impact. Their efficient cooling systems contribute to temperature regulation, ensuring optimal performance in the face of urban heat islands and other environmental challenges.
The demand for uninterrupted power supply in urban areas necessitates transformers that can adapt to fluctuating loads and maintain grid stability. S13-M.D Type Transformers demonstrate this adaptability, ensuring a reliable power supply even in scenarios with varying energy demands. Real-world applications in urban centers showcase the versatility of S13-M.D Type Transformers, from powering critical infrastructure to supporting the expansion of smart city initiatives.