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  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
  • 10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer
10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer

10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer

  • >= 1 Pieces
    $122,059

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10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Transformation: Steps up or steps down voltage between 69KV (input) and 6.3KV/11KV (output) to meet grid requirements, supporting a rated capacity of 10kVA to 50,000kVA.
  • Vector Group Flexibility: Offers DYN11 and YYN0 configurations for balanced power distribution in diverse electrical systems.
  • Efficient Cooling: Utilizes ONAN (Oil Natural Air Natural) cooling to ensure stable operation under high loads.

Key features

  • 1. Robust Material Technology for Extreme Durability

    • With high-grade steel construction and ceramic insulators, you can ensure reliable operation under extreme electrical stress and environmental conditions. The corrosion-resistant materials outperform traditional designs, maintaining structural integrity in harsh industrial environments.

  • 2. Modular Design for Customization and Ease of Maintenance

    • With a modular design featuring accessible panels and configurable components, you can simplify maintenance, repair, and customization to meet specific project requirements, such as adjusting voltage levels or power ratings. This flexibility reduces downtime compared to non-modular transformers.

  • 3. High-Capacity Performance for Large-Scale Applications

    • With a rated capacity of up to 50,000 kVA and a 69 kV input voltage, you can efficiently handle large-scale power distribution demands, such as industrial complexes or commercial grids. The Dyn11/Yyn0 vector group ensures optimal power transfer and minimal energy loss.

  • 4. Continuous Operation for Commercial and Industrial Use

    • With ONAN (Oil Natural Air Natural) cooling and robust thermal management, you can ensure uninterrupted operation in high-demand scenarios like commercial power grids or industrial facilities. The design prioritizes reliability for 24/7 usage.

  • 5. Certified Compliance for Global Safety Standards

    • With CE and UL certifications, you can guarantee adherence to international safety and quality standards, ensuring safe and legal deployment in global power distribution systems. This certification outperforms non-compliant alternatives.

Product details

10MVA 69KV/6.3KV Factory Price Direct Sales of High-quality Large Power Transformer

The Yawei Transformer 10MVA 69KV/6.3KV is a high-quality power transformer designed for efficient voltage transformation in electrical distribution systems. Built with robust steel and insulating materials, it complies with CE and UL certifications, ensuring safety and reliability. With a rated capacity range of 10kVA to 50,000kVA and a Dyn11/Yyn0 vector group configuration, this transformer delivers optimal performance for industrial, commercial, and grid applications.

Technical specifications

FeatureSpecificationBenefit
Voltage Rating69kV (input) / 11kV (output)Supports high-voltage distribution needs
Rated Capacity10kVA–50,000kVAScalable for diverse power requirements
Cooling MethodONAN (Oil Natural/Air Natural)Ensures stable operation at peak loads
Coil ConfigurationThree-phase, copper/aluminum windingsMinimizes energy loss and heat generation
Vector GroupDyn11/Yyn0Reduces harmonic interference and noise
CertificationsCE, UL, ISOMeets global safety and quality standards

Customization guide

Adjustable parameters include voltage levels, rated capacity, and vector group configuration to meet specific project needs. For instance, customize the output voltage (e.g., 6.3kV or 11kV) to align with grid requirements or select a Dyn11 vector group for harmonic-rich environments.

Get inspired

Whether powering small substations or large industrial complexes, the Yawei Transformer ensures reliable voltage transformation with minimal energy loss. Its adaptable design and robust construction make it ideal for applications requiring high efficiency, such as renewable energy grids or urban power distribution networks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Rated Capacity10MVA–25MVA25MVA–50MVA50MVA–50,000kVA
Efficiency98%99.5% (+15%)99.8% (+30%)
Voltage Regulation±2.5%±1.5%±1%
Insulation ClassClass F (155°C)Class H (180°C)Class C (220°C)

Supplier's note

  1. Technical Breakthroughs:

    • High-Voltage Handling: The 69kV input rating enables safe operation in high-stress grids, outperforming standard 35kV models.
    • Dyn11 Vector Group: Reduces harmonic interference by 30% compared to Yyn0 configurations, ideal for modern industrial loads.
    • ONAN Cooling Efficiency: Achieves 20% faster heat dissipation than traditional oil-forced cooling systems, extending lifespan.

  2. Version Selection Guide:

    • Base Model: Suitable for small substations or rural grids with up to 25MVA demand.
    • Advanced Model: Optimized for industrial facilities requiring precise voltage regulation (e.g., data centers).
    • Pro Model: Designed for large-scale grids or high-temperature environments (e.g., mining operations), with insulation capable of withstanding extreme conditions.

With the Pro Model’s Class C insulation, you can operate safely in harsh climates where temperatures exceed 200°C. Pair its 99.8% efficiency with Dyn11 harmonics mitigation to ensure uninterrupted power delivery to critical infrastructure.

Frequently asked questions

  • Which high-voltage transformer model suits 69KV to 11KV power distribution systems?

  • How do I maintain the cooling system of a Yawei high-voltage transformer?

  • What materials are used in Yawei transformer insulators for high-voltage handling?

  • Can Yawei transformers be customized for specific voltage ratings?

  • Are Yawei transformers certified for international safety standards?

  • Which Yawei transformer handles high load demands for industrial applications?

  • Does Yawei offer transformers with eco-friendly materials?

  • What advantages does the ONAN cooling method provide in Yawei transformers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Voltage HandlingPower substations, industrial grids69kV input / 6.3kV output (▲▲ vs Industry Standard 34.5kV; IEC 60076 compliant)Supports high-capacity grid distributionRequires robust infrastructure
EfficiencyCommercial buildings, data centersDyn11 vector group (▲ 98.5% efficiency vs Industry Standard 97.5%)Minimal energy loss (▲▲ vs Yyn0 design)Higher cost due to advanced design
Cooling SystemIndoor installationsONAN (Natural oil cooling), 55 dB noise level (▲ vs Industry Standard 65 dB)Quiet operation (quieter than a fridge at 45 dB)Limited cooling in high-temperature environments
CertificationsInternational projectsCE, UL (▲▲ global compliance)Meets safety/quality standardsMay restrict customization options
CustomizationTailored projects10kVA-50000kVA capacity range (▲▲ flexible sizing)Adaptable to specific needsLonger lead times for customization
Noise LevelResidential areas55 dB operational noise (▲ quieter than Industry Standard 65 dB)Reduced noise pollutionProper installation required for effectiveness

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