Yongxing Transformer stands at the forefront of China’s transformer manufacturing industry, offering a complete range of high-quality transformers and transformer-related components. With two advanced production bases spanning over 500 acres, Yongxing has established itself as a leader in transformer design, production, and customization. The company’s integrated manufacturing capabilities include the production of silicon steel sheets, enameled wires, and all types of transformers, meeting the diverse needs of global customers while maintaining competitive pricing and high standards of quality.
Yongxing Transformer specializes in the production of transformers with voltage ratings commonly up to 220kV, but also offers custom-made transformers with voltage ratings up to 500kV, ensuring flexibility for various power generation and transmission applications. The company’s transformer portfolio covers a wide array of models, including power transformers, distribution transformers, dry type transformers, oil filled transformers, and specialty transformers for use in industries such as energy, mining, manufacturing, and infrastructure development.
Full-Spectrum Manufacturing Capabilities
Yongxing Transformer’s integrated production system spans the entire transformer manufacturing process. The company operates a leading silicon steel sheet cutting workshop, producing high-grade grain-oriented silicon steel sheets, essential for transformer cores. These sheets are carefully cut using advanced CNC and laser technology, ensuring precision and minimizing core losses. Additionally, Yongxing’s enameled wire production facility manufactures copper and aluminum winding wires, including those for high-voltage applications, in various grades and sizes. These wires are coated with durable insulation, ensuring high performance and reliability in transformers.
From the core to the winding, every component is produced in-house, allowing for full control over quality, cost, and delivery times. The company’s winding workshop is equipped with cutting-edge winding machines that ensure accurate, dense, and uniform coils for all transformer types. This vertically integrated production model enables Yongxing to offer tailor-made transformers based on customer specifications, whether for standard utility grids or specialized industrial applications.
Range of Transformer Products
Yongxing Transformer’s diverse product range ensures that customers across industries can find the right transformer solution for their specific needs. With power ratings from 10kVA to 500MVA and voltage levels ranging from 3.3kV to 500kV, these transformers are available in various designs, including oil immersed, dry type, and specialty models. Supported by advanced manufacturing capabilities and adherence to international standards, Yongxing Transformer is committed to delivering highly reliable, high-performance transformers for global customers across a wide array of industries, from power generation to specialized applications.
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Power Transformers (up to 500MVA)
Power transformers are essential for high-voltage transmission and power generation, providing reliable and efficient power transfer over long distances. These transformers typically feature:
- Power Rating: Up to 500MVA
- Voltage Range: 110kV to 500kV (customized to higher voltages if required)
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed (ONAN, ONAF, OFAF)
- Impedance Voltage: 6% – 12% depending on customer requirements
- Winding Material: Copper or Aluminum
- Application: Power plants, substations, grid systems
Distribution Transformers
Designed for stepping down high transmission voltages to lower levels for safe delivery to residential, commercial, and industrial areas. Typical parameters include:
- Power Rating: From 10kVA to 100MVA
- Voltage Range: 6kV to 36kV (primary), 0.4kV to 33kV (secondary)
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed or Dry-type (depending on application)
- Impedance Voltage: 4% – 6%
- Winding Material: Copper or Aluminum
- Application: Residential, commercial, and industrial power distribution
Dry-Type Transformers
Ideal for indoor applications or areas with specific environmental concerns, such as fire risk or limited space. They require minimal maintenance and offer enhanced safety features:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 36kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Natural air-cooled (AN) or forced air-cooling (AF)
- Winding Material: Copper or Aluminum
- Insulation Class: Class F (155°C) or Class H (180°C)
- Application: Indoor applications, hospitals, commercial buildings, data centers
Oil-Filled Transformers
Designed for rugged, outdoor environments, oil-filled transformers offer robust performance for large-scale power distribution, ensuring safe and efficient transmission of electricity:
- Power Rating: Up to 500MVA
- Voltage Range: 33kV to 500kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed (ONAN, ONAF, OFAF, OFWF)
- Impedance Voltage: 6% – 10%
- Winding Material: Copper or Aluminum
- Application: Substations, power plants, remote areas
Specialty Transformers
Yongxing offers customized transformers designed to meet the unique requirements of industries like military, oil & gas, mining, and renewable energy. Key specifications include:
- Power Rating: Customizable from 10kVA to 300MVA depending on application
- Voltage Range: 3.3kV to 500kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed, Dry-type, or Forced-air cooling
- Application: Military, oil & gas rigs, offshore platforms, solar and wind energy installations
Isolation Transformers
Used to isolate electrical systems for safety, noise reduction, and fault protection. Common parameters include:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 33kV (customized to higher voltage ranges)
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed or Dry-type
- Application: Hospitals, sensitive electronics, industrial automation
Marine Transformers (Shipboard Transformers)
Marine transformers are built to withstand harsh marine environments, such as saltwater exposure and high vibration. Typical specifications include:
- Power Rating: From 50kVA to 100MVA
- Voltage Range: 3.3kV to 36kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed, air-cooled
- Winding Material: Copper or Aluminum
- Protection: IP23, IP44, or higher (weatherproof and corrosion-resistant)
- Application: Ships, offshore oil rigs, marine vessels
Explosion-Proof Transformers
Designed for hazardous environments where flammable gases or dust are present, these transformers provide safety features to prevent sparks or overheating:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 33kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed or Dry-type
- Protection Class: Exd, Exe, or custom explosion-proof standards
- Application: Oil & gas, chemical plants, mining operations, refineries
Furnace Transformers
Used to supply high currents for electric furnaces in steel mills, foundries, and industrial production lines:
- Power Rating: From 5MVA to 30MVA
- Voltage Range: 6kV to 36kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed (ONAF or OFAF)
- Application: Steel mills, foundries, manufacturing industries
Rectifier Transformers
Designed for applications requiring DC power, these transformers provide the necessary conversion from AC to DC:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 36kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Oil-immersed or Dry-type
- Application: Electroplating, industrial DC drives, rectification systems
Auto-Transformer
Used for voltage conversion with reduced size and cost, ideal for motor starting and load balancing:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 36kV
- Frequency: 50Hz / 60Hz
- Cooling Type: Air-cooled or oil-immersed
- Application: Motor starting, load balancing, cost-effective voltage conversion
Phase-Shifting Transformers (PST)
Used to control power flow in AC networks, particularly in high-voltage direct current (HVDC) systems:
- Power Rating: From 50MVA to 300MVA
- Voltage Range: 110kV to 500kV
- Frequency: 50Hz / 60Hz
- Application: HVDC transmission, grid interconnections, power flow regulation
Zig-Zag Transformers
Primarily used for neutral grounding and balancing unbalanced loads:
- Power Rating: From 10kVA to 50MVA
- Voltage Range: 3.3kV to 36kV
- Frequency: 50Hz / 60Hz
- Application: Power generation, distribution, telecom systems
Global Certification and Compliance
Yongxing Transformers are manufactured to meet international standards and have obtained a range of recognized certifications, including:
- ISO 9001 (Quality Management Systems)
- ISO 14001 (Environmental Management)
- OHSAS 18001 (Occupational Health and Safety)
- IEC 60076 (International Standard for Power Transformers)
- CE Certification (Conformity for European Markets)
- UL Certification (For North American Markets)
These certifications ensure that all transformers produced by Yongxing meet global performance, safety, and environmental standards, making them suitable for use in diverse markets across the globe.
World-Class Quality at Competitive Prices
Yongxing Transformer is committed to delivering high-performance, durable transformers that meet the exacting demands of both large-scale utility companies and specialized industrial clients. With a focus on quality control, state-of-the-art production facilities, and a strong emphasis on R&D, Yongxing is able to offer highly reliable transformers at competitive prices. By leveraging its scale, technology, and vertical integration, Yongxing Transformer provides cost-effective solutions without compromising on quality, ensuring the best value for its customers worldwide.
Commitment to Global Markets
With a strong presence in the Chinese market and a growing footprint internationally, Yongxing Transformer is well-positioned to serve global customers. The company’s extensive product range, customization options, and reliable customer service have earned it a reputation as a trusted supplier of transformers for industries ranging from power generation to renewable energy, transportation, defense, and more. Yongxing’s commitment to innovation and customer satisfaction ensures that it remains a preferred choice for high-quality transformers worldwide.
Conclusion
Yongxing Transformer is a leader in China’s transformer manufacturing industry, offering a full range of transformer products, including high-voltage and custom transformers, with full-spectrum manufacturing capabilities from silicon steel sheet cutting to winding production. The company’s state-of-the-art facilities, strong quality assurance practices, and competitive pricing make it an ideal partner for businesses in need of high-performance transformers. Whether you require transformers for power plants, industrial applications, or customized solutions, Yongxing Transformer is ready to meet your needs with world-class products and service.
