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MV&HV Transformers
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
  • mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer
mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer

mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer

  • 1 - 9 Sets
    $15,800
  • >= 10 Sets
    $15,480

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
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mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Voltage Transformation: Designed to efficiently step down voltages from 35kV/24kV to 480V/11kV, enabling reliable power distribution for industrial and commercial applications.
  • Versatile Cooling Systems: Equipped with ONAF (Oil Natural Air Forced) and ONAN (Oil Natural Air Natural) cooling methods to ensure optimal performance under varying load conditions.
  • Global Frequency Compatibility: Supports both 50Hz and 60Hz frequencies, ensuring seamless operation across international power grids.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a robust oil-immersed design and corrosion-resistant materials, ensure reliable operation in harsh industrial environments. The sealed structure minimizes contamination risks, offering superior durability compared to open-type transformers*.

  • 2. Adaptable Frequency Compatibility

    • Supporting both 50Hz and 60Hz frequencies, this transformer enables seamless deployment across global power grids without reconfiguration, unlike region-specific models*.

  • 3. High-Capacity Voltage Handling

    • With a rated primary voltage of 24.0kV and support for voltages up to 40.5kV, deliver consistent power output for large-scale industrial applications, outperforming standard 20kV-class transformers*.

  • 4. Dual Cooling Method Flexibility

    • Equipped with ONAF (oil-natural/air-forced) and ONAN (oil-natural/air-natural) cooling, balance energy efficiency and continuous operation in commercial settings, reducing downtime compared to single-mode systems*.

  • 5. Comprehensive Safety Compliance

    • Constructed to meet international electrical safety standards (e.g., IEC/IEEE), ensuring reliable performance in critical power infrastructure while prioritizing operator safety*.

Product details

mv Hv transformers High Voltage Transformer 1600kVA 11kV 24kV 35KV 40.5kV Oil Immersed Electrical Transformer

The BD A Series High Voltage Transformer (1600kVA, 11kV–40.5kV) is a robust oil-immersed power transformer designed for medium to high-voltage applications. Its three-coil configuration and dual cooling modes (ONAF/ONAN) ensure reliable performance in industrial, utility, and commercial power distribution systems.

Technical specifications

FeatureSpecificationBenefit
Rated Capacity1600kVASupports large-scale power distribution
Voltage RatingsInput: 35kV/24kV/11kV; Output: 480V/11kVFlexible voltage adaptation for diverse grids
Cooling MethodONAF (forced air), ONAN (natural air)Ensures thermal stability under load spikes
Frequency50Hz/60Hz dual compatibilityGlobal deployment readiness
TypePower TransformerOptimized for steady-state power transfer

Customization guide

Adjustable parameters include input/output voltage configurations (e.g., 35kV to 480V) and cooling system settings (ONAF/ONAN) to meet specific power density or thermal management needs.

Get inspired

The BD A Series is ideal for industrial plants, data centers, and substations requiring reliable high-voltage conversion. Its oil-immersed design and robust insulation (up to 40.5kV) ensure safety in harsh environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Handling35kV40.5kV40.5kV + 20% surge capacity*
EfficiencyIEC 60076 Standard+8% efficiency+15% efficiency*
Thermal PerformanceONAN onlyONAF/ONAN hybridONAF +智能温控系统**

Supplier's note

  1. Technical Breakthroughs:

    • Voltage Flexibility: Supports 11kV to 40.5kV input, enabling compatibility with tiered grid infrastructure.
    • Dual Cooling: ONAF/ONAN hybrid mode reduces downtime in fluctuating load scenarios.
    • Frequency Adaptability: 50Hz/60Hz operation eliminates the need for grid-specific redesigns.

  2. Model Selection Guidance:

    • Base Model: Ideal for standard substations with stable 35kV grids.
    • Advanced Model: Recommended for industrial sites with frequent load variations (e.g., factories).
    • Pro Model: Best for high-stress environments (e.g., mining, offshore platforms) needing 20% higher surge tolerance and AI-driven thermal control.

*Compared to IEC 60076-8 benchmarks.
**智能温控系统 = Smart Temperature Control System (AI-powered cooling optimization).

Frequently asked questions

  • Which high voltage transformer model is best for industrial power supply up to 1600kVA?

  • How do I maintain an oil-immersed transformer with ONAF/ONAN cooling systems?

  • What’s the difference between ONAF and ONAN cooling in 35kV transformers?

  • Is this 11kV-480V transformer compatible with 60Hz electrical systems?

  • Can the 24kV primary voltage be adjusted for custom power distribution?

  • Does the 40.5kV transformer meet IEEE or IEC safety standards?

  • How does the three-coil design enhance efficiency in power transformers?

  • What customization options are available for 35kV input voltage configurations?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Core & Coil DesignIndustrial power distributionTriple-coil configuration (IEC 60076-7) ▲
Industry: Dual-coil (24kV)
Our Base: Triple-coil (24kV)
Our Advanced: Amorphous core ▲ (40.5kV)		Enhanced power transfer efficiency ▲
Reduced energy loss in Advanced		Higher material costs for Advanced
Cooling EfficiencyData centers, substationsCooling: ONAF & ONAN (IEEE C57.91)
Industry: ONAN only
Our Base: ONAF/ONAN (24kV)
Our Advanced: Enhanced ONAF ▲ (40.5kV)		Flexible cooling modes for varied environments ▲
Advanced: 20% lower temp rise		Higher maintenance for ONAF systems in Advanced
Voltage HandlingHigh-voltage grids (35kV–40.5kV)Rated Primary Voltage: 24kV ▲
Industry: ≤35kV
Our Base: 24kV
Our Advanced: 40.5kV ▲ (IEC 60076-1)		Base: Meets 24kV grid needs
Advanced: Supports 40.5kV (▲ exceeds IEC 60726)		Advanced requires specialized installation expertise
Frequency CompatibilityGlobal power grids (50/60Hz)Dual-frequency (50/60Hz) ▲
Industry: 50Hz only
Our Base/Advanced: Both frequencies (IEC 60076-7)		Seamless deployment in US/Asia markets ▲
No need for retrofitting		Slightly heavier core design compared to single-frequency units
Thermal PerformanceHigh-load industrial plantsThermal Endurance: 155°C (ASTM D2294)
Industry: 120°C
Our Base: 155°C
Our Advanced: 180°C ▲ (ASTM D2294)		Base: 30% better heat dissipation than industry ▲
Advanced: 50% cooler under load		Advanced uses premium insulation (costs +20%)
Noise LevelUrban substations, hospitalsNoise: 62 dBA (IEC 60076-3) ▲
Industry: 75 dBA
Our Base: 68 dBA (quieter than refrigerator hum)
Advanced: 62 dBA ▲ (whisper-quiet)		Advanced: Meets hospital noise regulations ▲
Base: Ideal for commercial zones		Advanced requires sound-dampening materials (adds 10% weight)

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