Power transformers,Pad mounted transformers,Pole mounted transformers,substation transformers,single phase transformers,Isolation Transformers,Oil Transformers​,and Dry Type Transformers factory

Reliable Power Transformer Manufacturer

Yongxing Transformer is a leading transformer manufacturers in China, producing more than 10,000 transformers annually for the global market. Our product lineup includes Power transformers,Pad mounted transformers,Pole mounted transformers,substation transformers,single phase transformers,Isolation Transformers,Oil Transformers​,and Dry Type Transformers，all of which are customized high performance solutions for different projects.

We support flexible OEM and ODM services and can provide customized transformer solutions to meet specific customer requirements with superior precision. With more than 25 years of experience, Yongxing Transformer’s engineering team complies with international standards such as IEC, IEEE/ANSI and CSA, and continues to innovate through proprietary technologies and global partnerships.

With ISO 9001:2015, UL/CUL, CSA, CE and SGS certifications, Yongxing Transformer adheres to strict quality standards in every aspect of production. Our commitment to certified quality ensures that every transformer meets top standards for durability and reliability.

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Types of Transformers Manufactured by Yongxing

15 KVA 333 KVA Single Phase Pole Mounted Transformers Manufacturers Factory in China

Pole Mounted Transformer Manufacturers

10KVA to 500KVA Pole Mount Transformers efficiently distribute high voltage power to residential and commercial areas, installed on utility poles to save space.

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25 KVA 20000 KVA 3 Phase Pad Mounted Transformer Manufacturers Factory in China

Pad Mounted Transformer Manufacturers

Yongxing produces durable pad mounted transformers for efficient power distribution from 100 kVA to 5000 kVA. Our solutions comply with cUL, UL, CE, and DOE standards for various applications.

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25 KVA 5000 KVA Three Phase Dry Type Transformers Manufacturer Supply WholesaleFactory in China

 Dry Type Transformer Manufacturers

Yongxing Transformer specializes in manufacturing Cast Resin and Dry Type Transformers with voltage ratings from 6 kV to 35 kV and power capacities ranging from 100 kVA to 50,000 kVA.

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50KVA 50000 KVA Distribution Transformer Manufacturer Supply Wholesale Factory in China

Distribution Transformer Manufacturers

Distribution Transformer Manufacturers provide efficient, durable transformers for residential, commercial, and industrial use, ensuring energy reliability and meeting global standards.

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500KVA 500000 KVA Electrical Substation Transformer Manufacturers Supply Wholesale Factory in China

Substation Transformer Manufacturers

6KV-45KV 115 KVA 20000 KVA Substation Transformers offer reliable, durable solutions for residential, commercial, and industrial use, with global sales in the USA, Canada, and beyond.

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60KV 220KV 1000KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China

Power Transformer Manufacturers

60kV-500kV 5000 KVA-300 MVA Power Transformers from China. Custom built, DOE compliant, offering top performance and durability for industrial and utility applications.

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Customize Your Transformer

As one of China’s leading transformer manufacturers, Yongxing Transformer specializes in both standard and customized transformers, accommodating capacities from 10 kVA to 500 MVA and voltage levels from 110 V to 220 kV. Our expert team tailors each transformer to specific requirements, including no-load loss, load loss, frequency, altitude, ambient temperature, winding materials (copper or aluminum), connection methods, and impedance. We also have a proven track record of successful projects, such as providing a 15 MVA 110 kV transformer for a renewable energy project in Vietnam and customizing multiple 50 kVA transformers for a data center in Brazil. At Yongxing, we understand that every application is unique, and our high-quality transformers are engineered for optimal performance and reliability across various industries, ensuring precise customization that enhances project success.

Power Transformer Manufacturers

Transformer voltage

Transformer voltage defines the electrical potential a transformer can manage, with options available for customization between 6 kV and 220 kV. Yongxing Transformer specializes in delivering tailored solutions to meet diverse operational needs across various industries.

 

Power Transformer Manufacturers

Transformer capacity

Transformer capacity specifies the electrical power a transformer can handle, with Yongxing Transformer offering customizable options from 5 kVA to 500 MVA. This flexibility allows us to meet diverse requirements, serving applications from residential to large industrial projects.

Power Transformer Manufacturers

Transformer Winding Material

Winding material affects efficiency and performance, with Yongxing Transformer offering copper and aluminum options. Copper provides superior conductivity and lower losses for high-performance applications, while aluminum is a cost-effective choice, reducing weight and installation costs.

Power Transformer Manufacturers

Transformer Connection Methods

Transformer connection methods include wye (Y) and delta (Δ) configurations. Wye connections suit low load currents and provide grounding, while delta connections handle higher currents and enhance short-circuit protection. Customization is vital for optimal performance.

Power Transformer Manufacturers

Transformer Impedance

Transformer impedance, a mix of resistance and reactance, affects load response and fault conditions. It is vital for voltage regulation and short-circuit performance; higher impedance limits currents, while lower impedance improves regulation. Customizing impedance is essential for performance.

Power Transformer Manufacturers

Transformer Losses

Transformer losses are energy losses during operation, mainly core losses and copper losses. Core losses occur in the magnetic core due to hysteresis and eddy currents, while copper losses arise from winding resistance. Minimizing these losses is essential for improving efficiency and reducing costs.

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Power Transformer Manufacturing Process

Transformer Production Process
  1. Material Preparation: Sourcing high-quality materials, including laminated core steel for efficiency and copper or aluminum wire for windings.
  2. Core Assembly: Fabricating the core by stacking laminated steel to reduce energy losses and enhance magnetic properties, ensuring optimal performance.
  3. Winding: Executing precise primary and secondary windings with insulation to ensure safety and minimize electrical losses.
  4. Assembly: Integrating the core, windings, and other components, including tap changers and cooling systems, into a complete transformer unit.
  5. Testing: Conducting comprehensive testing, including insulation resistance, high-voltage, and load tests, to verify safety, performance, and compliance with industry standards.
  6. Final Assembly and Packaging: Performing final inspections, adding protective features, and securely packaging the transformer for safe transport.
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Power Transformer Manufacturers Supply Wholesale Factory in China

Electrical Power Transformer Design Details

Electrical Power Transformer Design Details
  • Core Design: Utilizing laminated silicon steel to minimize energy losses and enhance magnetic performance, ensuring efficient operation under varying loads.
  • Winding Configuration: Implementing precise primary and secondary winding arrangements with optimal turn ratios to achieve desired voltage levels and minimize resistance losses.
  • Cooling System: Incorporating advanced cooling mechanisms, such as oil or air cooling, to maintain optimal operating temperatures and prevent overheating during continuous operation.
  • Insulation Materials: Selecting high-quality insulation materials to ensure safety and reliability, providing resistance to electrical stress and environmental factors.
  • Tap Changer Design: Integrating on-load or off-load tap changers to facilitate voltage regulation and adaptability to changing load conditions.
  • Protection Features: Including features such as surge arresters, temperature sensors, and pressure relief devices to enhance safety and prevent damage during abnormal conditions.
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Power Transformer Applications

Transformers have diverse applications across various sectors. In power generation, they convert voltage levels to ensure efficient transmission and distribution, handling capacities from 15 kVA to 500 MVA. In transmission and distribution, they step up voltages to 220 kV for long-distance travel and step down to safe levels for local use. In industrial settings, transformers supply voltage for machinery, typically operating at 50 Hz or 60 Hz. In renewable energy, they enable solar and wind systems to convert electricity to grid-compatible voltage. Additionally, in data centers, they maintain stable power supply and voltage regulation for critical IT infrastructure. Overall, transformers are crucial for safe and efficient electricity distribution across all applications.

  • Power Generation: Essential in power plants for converting voltage levels for transmission and distribution.
  • Transmission and Distribution: Step up voltage for long-distance transmission and step down for local distribution in substations.
  • Industrial Applications: Provide necessary voltage for machinery in manufacturing, mining, and chemical sectors.
  • Renewable Energy: Facilitate voltage conversion in solar and wind energy systems for grid compatibility.
  • Data Centers: Ensure stable power supply and voltage regulation for servers and IT infrastructure.
  • Commercial Buildings: Step down high voltage for safe use in lighting, heating, and electrical systems.
  • Railway Systems: Convert and regulate voltage for electrified trains and signaling equipment.
  • Residential Use: Distribution transformers provide safe electricity to homes by stepping down grid voltage.
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Power Transformer Applications

Main Transformer Certifications

Yongxing Transformer complies with key international certifications, ensuring high-quality, energy-efficient transformers for global markets. Our products meet DOE energy efficiency standards in the U.S., CE requirements for safety and performance in Europe, GOST-R standards for Russia and CIS countries, ISO 9001 global quality management standards, SAA certification for Australia, PSE certification for Japan, and RoHS environmental standards in the EU. These certifications guarantee our transformers’ reliability, safety, and environmental compliance, making them suitable for diverse applications worldwide.

1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China2

DOE Certification (USA)

  • Region: United States
  • Requirements: Transformers must meet DOE 2016 energy efficiency standards, limiting no-load and load losses.
  • Importance: Compliance reduces energy waste, lowers costs, and ensures environmental compliance.
1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China2

CE Certification (Europe)

  • Region: European Union
  • Requirements: Transformers must meet the EU Ecodesign Directive and EMC standards for safety and efficiency.
  • Importance: CE certification allows market access across Europe and ensures compliance with EU regulations.
1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China2

GOST-R Certification (Russia)

  • Region: Russia and CIS countries
  • Requirements: Transformers must comply with GOST R 51326-99 standards for safety and energy efficiency.
  • Importance: GOST-R certification is essential for selling transformers in Russia and CIS countries.
1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China2

ISO Certification (International)

  • Region: Global
  • Requirements: ISO 9001 ensures that transformers meet global quality management standards.
  • Importance: ISO certification improves global competitiveness and consumer trust.
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Why Yongxing Transformer Stands Out as Your Top Transformer Supplier

1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China3

Customizable Solutions

Yongxing Transformer provides tailored designs with capacities ranging from 15 kVA to 500 MVA and voltage levels from 110 V to 220 kV. This flexibility ensures optimal performance for various applications, including industrial and renewable energy projects.

1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China3

Quality Assurance

Each transformer undergoes rigorous testing and is certified by UL, CE, and GOST standards, ensuring compliance with international safety and performance benchmarks. This commitment to quality guarantees reliability and longevity.

1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China3

Industry Expertise

With over 30 years of experience in power transformer manufacturing, our skilled team offers in-depth knowledge and guidance, helping customers navigate the customization process to meet specific technical requirements.

1KV 220KV 10KVA 500 MVA Power Transformer Manufacturers Supply Wholesale Factory in China3

Global Reach

Yongxing Transformer exports to multiple regions, including North America, South America, and Southeast Asia, providing robust support and timely delivery. Our global presence ensures customers receive efficient service and assistance with installation.

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Yongxing Transformer Factory

As a leading transformer manufacturer in China, we operate a production and manufacturing base spanning over 500 acres.

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China Top 220kv Transformer Manufacturers Factory silicon steel sheet production workshop

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15 KVA 500 MVA Transformer Manufacturers

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Yongxing Transformer Experiment

Yongxing Transformer is equipped with advanced testing facilities capable of testing transformers up to 500 kV, ensuring each unit meets the highest safety and performance standards. Our comprehensive testing process includes routine tests (insulation resistance, winding resistance, and no-load loss measurements), performance evaluations (load loss, voltage regulation), impulse and short-circuit tests, and temperature rise assessments. These tests, performed in compliance with international standards, ensure that our transformers deliver reliable, efficient, and durable performance under real-world conditions, making them suitable for a wide range of applications.

Yongxing Transformer Experiment1

Yongxing Transformer After-Sales Support

1. Professional Technical Support Team

Yongxing Transformer’s after-sales service is supported by a dedicated team of technical experts with years of experience in the transformer industry. Our specialists provide tailored guidance and troubleshooting to ensure your transformers perform optimally, minimizing downtime and enhancing reliability.

2. Prompt Online Response

We prioritize customer satisfaction by offering fast online support. Through our online channels, including email and live chat, we respond swiftly to inquiries and issues. Our goal is to provide timely resolutions, ensuring that your operations run smoothly without delays.

3. Comprehensive Maintenance Solutions

Yongxing Transformer offers a range of maintenance services to ensure the longevity and efficiency of your transformers. From routine inspections to proactive maintenance schedules, our solutions are designed to minimize unexpected downtime and keep your equipment running at peak performance.

4. Continuous Training and Updates

We empower our customers with continuous training and educational resources to optimize transformer performance. Additionally, we keep you updated on the latest technological advancements and industry trends to ensure your systems are always in line with current best practices.

5.Efficient Parts Replacement

In the event of a component failure, Yongxing Transformer guarantees fast and efficient parts replacement. Our extensive inventory of genuine replacement parts, combined with efficient logistics, ensures minimal disruption and reduced downtime for your operations.

Yongxing Transformer Partners

As the world’s leading power transformer manufacturer, Yongxing maintains good relationships with many partners and has received the trust of its partners with its high quality, appropriate prices, support for rapid customization, and fast delivery.

Transformer manufacturers partners

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Transformer manufacturers partners In China

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Ready to Power Your Projects with the Perfect Transformer?

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Yongxing Transformer Faqs

Yongxing Transformer manufactures a wide range of power transformers, including distribution transformers, substation transformers, dry-type transformers, oil-immersed transformers, and custom transformers for specific applications.

We offer transformers with voltage ratings ranging from 1 kV to 220 kV, and we also provide customization options to meet specific voltage requirements.

Yes, we specialize in custom transformer solutions, including specific capacities (from 15 kVA to 500 MVA), frequency, impedance, winding material (copper or aluminum), and other design parameters tailored to your application.

Yes, our transformers are certified by international standards, including UL, CE, GOST, and cUL, ensuring compliance with quality and safety requirements worldwide.

We offer a standard warranty for all transformers, which typically includes 12 months of coverage for manufacturing defects. Extended warranties and service plans are also available upon request.

Yes, we provide comprehensive after-sales support, including technical assistance, maintenance services, and spare parts replacement, ensuring your transformers perform optimally throughout their lifecycle.

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