China best 13.8 kV to 0.4 kV 3000 kVA substation transformer manufactured by Yongxing Transformer.

High and low voltage bushings for 13.8 kV to 0.4 kV 3000 kVA substation transformer by Yongxing Transformer.

13.8 kV to 0.4 kV 3000 kVA substation transformers in stock at Yongxing Transformer, ready for shipment.

13.8 kV to 0.4 kV 3000 kVA substation transformer available for sale from Yongxing Transformer.

13.8KV 0.4KV 3000 KVA Substation Transformers

Primary Voltage: 6-35KV or customized

Secondary Voltage: 0.4KV or customized
Connection Type: Three phase
Standards: IEEE, CSA, DOE
Power Rating: 3000 KVA
Transformer Type: Substation Transformer
Certificates: UL, cUL, CSA, SGS, GOST

Yongxing Transformer is a trusted manufacturer of 13.8KV 0.4KV 3000 KVA substation transformers, engineered for efficient power distribution across large-scale industrial and commercial applications. Designed to withstand challenging environments, these transformers offer reliable voltage transformation with customizable primary and secondary voltage options ranging from 6kV to 35kV for the primary and 0.12kV to 11kV for the secondary. Their robust construction and adaptability make them ideal for power grids, industrial plants, and renewable energy projects. In 2021, we delivered two transformers to a client in Thailand for a power grid modernization project, playing a key role in upgrading the country’s electrical infrastructure and ensuring a stable and efficient power supply

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Key Components of 13.8KV 0.4KV 3000 KVA Substation Transformer

Yongxing Transformer is a leading manufacturer of 13.8KV 0.4KV 3000 KVA substation transformers, designed for efficient power distribution in large-scale industrial and commercial applications. These transformers are built with high-quality materials, advanced design features, and enhanced safety mechanisms, including pressure relief devices, oil temperature gauges, and oil level indicators. Equipped with alarm contacts, they provide reliable monitoring and protection in demanding environments. Below is a list of key components used in the 13.8KV 0.4KV 3000 KVA substation transformer.

Component	Quantity	Component	Quantity
Jack	4	Ground Terminal	6
Cover	1	Oil Level Indicator	1
Fan	2	Low Voltage Bushings 1.2KV	8
Radiator	3	Pressure Relief Valve	1
Filling Plug	1	Vacuum Pressure Gauge	1
Hand Hole	1	Oil Temperature Gauge	1
Nameplate	1	Drain Valve with Sample Valve	1
Tap Changer	1	NEMA 3R Auxiliary Junction Box	1
Lifting Lugs	4	High Voltage Bushings 25KV	3
High Voltage Bushings 25KV	3	QUALITROL Surge Relay & Seal Relay	1

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The Manufacturing Process of 3000 KVA Substation Transformers

The manufacturing process of 3000 KVA Substation Transformers begins with a detailed design and engineering phase, where the transformer’s specifications are carefully tailored to meet voltage and operational requirements. The transformer core is built using high-quality silicon steel sheets to optimize magnetic efficiency and minimize energy losses. Copper or aluminum windings are meticulously wound around the core to ensure optimal conductivity and durability. These components are then insulated using premium materials such as resin or kraft paper, which are specifically selected to enhance safety, electrical performance, and overall reliability. The design is rigorously tested to comply with international standards such as IEEE, CSA, and DOE, ensuring the transformer meets the highest industry performance and safety benchmarks.

Once the core and windings are assembled, the transformer is placed into a durable tank and filled with transformer oil, which serves both as an insulator and a coolant. The oil helps dissipate the heat generated during operation, maintaining a stable operating temperature. Advanced cooling systems, including radiators and cooling fans, are integrated to manage temperature efficiently and prevent overheating. The transformer is then subjected to a series of tests, including load testing and efficiency verification, to ensure it meets operational standards before being dispatched. After successful testing, the transformer is ready for installation in power distribution networks, where it will deliver reliable, efficient service for industrial, commercial, and renewable energy applications.

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Comprehensive Testing for 13.8/0.48-0.48 Transformers

Yongxing Transformer ensures every 13.8/0.48-0.48 transformer undergoes rigorous testing procedures in compliance with C57.12.90 standards. These tests include key parameters like voltage ratio measurement, winding resistance testing, no-load loss and current tests, load loss and short-circuit tests, induced overvoltage withstand tests, insulation resistance tests, and routine assessments such as weight verification and leakage checks. These extensive evaluations guarantee transformers meet operational and safety standards, ensuring reliability in diverse applications.

In addition to standard tests, Yongxing Transformer offers specialized testing options such as temperature rise, short-circuit performance, impulse withstand, and audible noise testing. These additional tests can be tailored to specific project needs, enabling customized solutions for unique requirements. With a meticulous approach, every transformer is certified only after meeting stringent quality criteria, reflecting Yongxing Transformer’s commitment to excellence and customer satisfaction.

Learn More:Substation Transformers- Core Component of Power Systems

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What is a Substation Transformer?

A substation transformer is a critical piece of equipment in electrical power systems, designed to step up or step down voltage levels to meet the requirements of the power grid or industrial networks. Typically found in power stations or electrical substations, these transformers are key for ensuring electricity is safely and efficiently distributed from generation sources to end-users, including industrial, commercial, and residential sectors.

The 3000 KVA Substation Transformer is a high-capacity transformer, ideal for large-scale power distribution needs. With a rated capacity of 3000 KVA, it is engineered to handle demanding environments and ensure that power is delivered with optimal efficiency. This transformer is designed for applications in utility grids, industrial plants, and renewable energy projects, offering reliable performance across different voltage ranges.

Benefits of 3000 KVA Substation Transformers

3000 KVA Substation Transformers are known for their robust construction, advanced cooling systems, and high-efficiency ratings. These transformers are engineered to operate under heavy loads without compromising on performance, making them an ideal choice for industries with high power requirements, such as manufacturing plants and large commercial buildings. The ability to customize primary and secondary voltage levels—typically ranging from 6 kV to 35 kV for the primary and 0.12 kV to 11 kV for the secondary—allows for versatile applications in various industries.

Furthermore, substation transformers play a critical role in enhancing energy efficiency. By ensuring proper voltage transformation and minimizing losses, these transformers help to reduce operational costs and improve the overall sustainability of energy networks. Their advanced safety features, including pressure relief devices, temperature monitoring systems, and oil level indicators, provide peace of mind by ensuring the safe operation of power distribution systems.

Why Choose Yongxing Transformer for 3000 KVA Substation Transformers?

At Yongxing Transformer, we specialize in manufacturing high-quality 3000 KVA Substation Transformers that meet international standards such as IEEE, CSA, and DOE. Our transformers are certified by UL, cUL, SGS, and GOST, ensuring compliance with global safety and performance regulations. With decades of experience in transformer manufacturing, we offer tailored solutions to meet the unique needs of our clients, whether for power grids, industrial plants, or renewable energy projects.

We understand that each application is unique, which is why we provide customizable options for voltage ratings, capacities, and configurations to ensure the best fit for your specific requirements. Our transformers are designed for durability, with advanced cooling systems and a robust design that ensure long-lasting performance even in the most demanding environments. Contact Yongxing Transformer today to learn more about how our 3000 KVA Substation Transformers can improve the efficiency and reliability of your power distribution system.