750 kVA dry type transformer three phase cast resin power transformer 11kV to 480V 400V manufacturer factory custom supply by Yawei Transformer

750 kVA Dry Type Transformer – Three Phase Cast Resin Power Transformer (480V / 400V / 11kV)

Manufactured by Yawei Transformer, this industrial-grade dry type cast resin transformer is designed for indoor and semi-outdoor medium- and low-voltage power distribution in industrial, commercial, utility, and infrastructure applications. The transformer features a nominal capacity of 750 kVA, configurable across a wide capacity range, with flexible primary and secondary voltage options up to 35 kV. Designed and manufactured in accordance with IEC, ANSI, and IEEE standards, it is suitable for indoor or semi-outdoor installation in modern distribution networks.

Rated Capacity: 750 kVA (customizable, typical range 100–10000 kVA)
Primary Voltage: Medium-voltage options available, up to 35 kV class
Secondary Voltage: Standard 480Y/277V, 400/230V, or other low-voltage configurations
Transformer Type: Dry type, cast resin, three-phase power transformer
Installation Type: Indoor or semi-outdoor, floor or platform-mounted
Cooling Method: Air Natural (AN) standard, Air Forced (AF) optional
Winding Configuration: Grounded wye/wye, delta/wye, or other vector groups available
Voltage Regulation: Off-circuit tap changer standard; On-load Tap Changer (OLTC) optional
Insulation System: Cast resin, moisture-resistant, fire-safe, environmentally friendly
Applicable Standards: IEC / ANSI / IEEE
Typical Applications: Industrial power systems, commercial facilities, utility grids, renewable energy projects, and infrastructure installations

The Industrial 750 kVA Dry Type Transformer by Yawei Transformer is a premium three phase cast resin power transformer designed for high-performance industrial, commercial, utility, and infrastructure applications. Engineered to deliver exceptional reliability, safety, and efficiency, this transformer is manufactured with top-quality materials and advanced production technology in our factory. With a wide voltage range of 11kV primary to 480V / 400V secondary, and fully customizable capacities from 100 to 10000 kVA, it meets diverse global power distribution needs. Whether for North America, Europe, Latin America, or Asia-Pacific markets, this transformer provides a versatile, durable, and cost-effective solution for modern electrical systems.

750 kVA Dry Type Transformer Product Specifications

Feature Specification
Rated Capacity 750 kVA （100-10000KVA）
Phase Three Phase
Transformer Type Dry Type, Cast Resin
Primary Voltage 11kV(6-35KV)
Secondary Voltage 480V / 400V
Insulation Class Class F / H
Cooling Type Air Natural (AN)
Frequency 50Hz / 60Hz
Standards IEC, ANSI
Custom Options Voltage, capacity, mounting type
Application Industrial, commercial, renewable energy, utility
Protection Class IP20 / IP23 optional
Testing Factory tested: dielectric, temperature rise, load, short-circuit
Dimension Drawings Provided for installation reference
Warranty 1–3 years depending on contract
750 kVA dry type transformer for North America and Europe three phase cast resin power transformer 11kV to 480V 400V manufacturer factory custom supply Yawei Transformer
Industrial 750 kVA dry type transformer three phase cast resin 11kV 480V 400V manufacturer factory custom supply wholesale Yawei Transformer
Factory price 750 kVA dry type transformer three phase cast resin design 480V 400V 11kV manufacturer factory custom supply wholesale Yawei Transformer

This transformer comes with detailed dimension drawings, technical documentation, and compliance certificates to ensure smooth integration into any project.

Dimension Drawings & Technical Documents

Yawei Transformer provides complete dimension drawings, wiring diagrams, and installation manuals for all dry type transformers. These drawings include accurate physical measurements, terminal arrangements, and structural details. They allow engineers and project managers to plan installation efficiently, ensuring proper clearances, ventilation, and safety compliance. CAD files are also available upon request for integration into project designs.

Testing & Quality Assurance

Every 750 kVA dry type transformer undergoes rigorous quality testing in our factory, including:

  • Dielectric Test: Ensures insulation integrity at rated voltages.

  • Load Test: Verifies transformer performance under full load.

  • Temperature Rise Test: Confirms thermal management efficiency.

  • Short Circuit Test: Validates mechanical and electrical stability.

Our testing guarantees that every transformer delivered meets international standards and is ready for immediate deployment.

Structural Design & Safety Features

The three phase cast resin design eliminates the risk of oil leaks, reduces fire hazards, and enhances reliability. Key features include:

  • Cast Resin Insulation: Moisture and contamination resistant.

  • Robust Steel Enclosure: Protects the transformer core and windings.

  • IP20/IP23 Protection Options: Safe for industrial and commercial environments.

  • Low Noise Operation: Less than 55 dB under full load.

The structural integrity and insulation design ensure a long service life with minimal maintenance.

Applications

The 750 kVA dry type transformer is suitable for a wide range of applications:

  • Industrial Power Distribution: Factories, processing plants, refineries.

  • Commercial Buildings: Office complexes, malls, hospitals, and hotels.

  • Utility & Infrastructure: Substations, railway systems, and smart grid projects.

  • Renewable Energy: Solar farms, wind power plants, and hybrid energy systems.

  • International Projects: Supports global standards for USA, Canada, UK, Germany, France, Spain, Italy, Australia, Mexico, Argentina, Brazil.

Case Studies

  1. North America Manufacturing Plant: Provided a 750 kVA transformer for a food processing factory in Texas. Resulted in stable power supply with reduced downtime.

  2. European Hospital Project: Installed multiple units in Germany and France hospitals, ensuring consistent backup power and compliance with IEC standards.

  3. Renewable Energy Site in Brazil: Deployed 750 kVA transformers to a solar farm, supporting clean energy output efficiently.

Pricing & Customization

Yawei Transformer offers factory direct pricing to ensure competitive costs for bulk orders and project procurement. All transformers are fully customizable, including:

  • Voltage ratings and tap changer options.

  • Mounting style (floor mount, wall mount).

  • Enclosure IP ratings.

  • Optional features like temperature sensors, monitoring systems.

Bulk and long-term supply contracts are available for global distributors and EPC contractors.

Comparison with Other Brands

Compared with other global transformer brands, Yawei Transformer offers:

  • Superior Insulation Quality: Moisture-resistant cast resin insulation.

  • Full Global Certification: IEC, ANSI, UL compliant.

  • Factory Direct Pricing: Competitive and transparent.

  • Custom Manufacturing: Tailored solutions for all applications.

  • Global Logistics Support: Fast delivery across USA, Canada, Europe, Australia, and Latin America.

750 kVA Dry Type Transformer Technical Drawings

750 kVA dry type transformer with dimension drawings three phase cast resin power transformer 11kV to 480V 400V manufacturer factory custom supply Yawei Transformer
750 kVA dry type transformer manufacturer three phase cast resin power transformer 480V 400V custom factory supply wholesale Yawei Transformer

Why Choose Yawei Transformer

  • Reliable Manufacturing: Factory-controlled production ensures consistent quality.

  • Wide Voltage & Capacity Range: From 100 kVA to 10000 kVA, supporting diverse projects.

  • Global Experience: Successfully deployed in 50+ countries.

  • Energy Efficiency: Reduced energy loss and low-noise operation.

  • Full-Service Support: Technical consultation, installation guidance, and after-sales service.

Global Supply & Wholesale

Yawei Transformer is a leading global manufacturer and supplier of dry type transformers. We provide:

  • Wholesale solutions for EPC contractors and distributors.

  • Direct supply to industrial clients in USA, Canada, UK, Germany, France, Spain, Italy, Australia, Mexico, Argentina, Brazil.

  • Reliable logistics and delivery tracking worldwide.

Maintenance & Service

  • Minimal maintenance required due to oil-free design.

  • Easy inspection of winding and insulation.

  • Full technical support from Yawei Transformer engineers.

  • Optional long-term maintenance contracts.

Sustainability & Compliance

  • Environmentally safe: No oil leakage, low carbon footprint.

  • Compliant with IEC, ANSI, UL, and EU environmental standards.

  • Recyclable materials used wherever possible.

Full Product Range

Yawei Transformer offers a complete line of dry type transformers:

  • Capacity range: 100 kVA – 10000 kVA.

  • Voltage range: 400V – 35kV primary.

  • Types: Cast resin, air-insulated, three phase, single phase.

  • Custom options for industrial, commercial, renewable energy, and utility projects.

Ordering & Contact

  • Request a Quote: Contact us for factory pricing and bulk discounts.

  • Download Technical Drawings: CAD files, wiring diagrams, and datasheets available.

  • Global Support: Engineering consultation for project planning.

Conclusion

The Industrial 750 kVA Dry Type Transformer – Cast Resin Three Phase (11kV 480V 400V) by Yawei Transformer is the ideal solution for industrial, commercial, and utility power needs. With global supply capabilities, full customization, reliable manufacturing, and energy-efficient design, it ensures safe, cost-effective, and sustainable power distribution worldwide.

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