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MV&HV Transformers
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
  • Step up Transformer 400v to 33kv 5mva High Voltage Transformer
Step up Transformer 400v to 33kv 5mva High Voltage Transformer

Step up Transformer 400v to 33kv 5mva High Voltage Transformer

$1000.00-$15000.00/ Set|1 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
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Step up Transformer 400v to 33kv 5mva High Voltage Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Step-Up Voltage Transformation: Converts input voltage from 35kV to output voltages of 480V, 380V, 400V, or 440V, enabling efficient power distribution in high-voltage systems.
  • High-Capacity Operation: Equipped with a 5MVA rating and three coil windings, designed for stable performance at 50/60Hz frequencies. The Yyn0/Dyn11 vector group configuration ensures flexibility in power distribution setups.

Key features

  • 1. Robust Material Technology for Durability

    • With a corrosion-resistant steel casing and advanced magnetic silicon steel core, ensure long-term reliability in harsh outdoor environments. The vertical cooling fins enhance heat dissipation, enabling continuous operation under high loads compared to non-finned designs*.

  • 2. Flexible Vector Group Design for Versatile Applications

    • With dual vector group configurations (Yyn0/Dyn11) and color-coded terminal connections, simplify installation and adapt to both residential and commercial power distribution needs. This design reduces downtime compared to single-vector systems*.

  • 3. High-Performance Voltage Transformation

    • With a 5MVA rating and 35kV input to 0.4kV output capability, efficiently step down high-voltage currents for industrial or commercial use. Supports 50/60Hz frequencies, outperforming single-frequency models in global applications*.

  • 4. Customizable for Diverse Power Systems

    • Tailor voltage and current ratings to match grid specifications, ensuring compatibility with existing infrastructure. Ideal for scenarios requiring precise power adaptation, such as factories or substations.

  • 5. Certified Safety and Compliance

    • Equipped with CE certification, meet EU safety and performance standards for electrical components. This ensures compliance with international regulations, surpassing non-certified alternatives in reliability and safety.

Product details

Step up Transformer 400v to 33kv 5mva High Voltage Transformer

The Step Up Transformer 400V to 33kV 5MVA High Voltage Transformer is a robust power transformer designed for efficient voltage transformation in industrial and commercial power systems. With CE certification and a three-coil configuration, it supports 50/60Hz frequencies and delivers output voltages of 480V, 380V, 400V, or 440V from a 35kV input. Its Yyn0/Dyn11 vector group ensures optimal power distribution while minimizing harmonics.

Technical specifications

FeatureSpecificationBenefit
Voltage Transformation35kV Input → 0.4kV OutputEfficient stepping down for safe distribution
Frequency Compatibility50Hz/60HzUniversal use across global power grids
Coil ConfigurationThree-phase, insulated windingsEnhanced reliability and load handling
CertificationCE CertifiedEnsures compliance with EU safety standards
Cooling SystemVertical finned casing20% faster heat dissipation vs standard models
Vector GroupYyn0/Dyn11Reduces neutral current for stable operation

Customization guide

Adjust voltage ratings (up to ±10%) and current capacity (up to 15% higher) to meet specific grid requirements. Tailor insulation levels (e.g., IP54/IP65) for harsh environments.

Get inspired

This transformer’s rugged steel casing and advanced cooling fins make it ideal for industrial settings like factories or substations. Its flexibility in voltage customization ensures seamless integration into diverse power systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Output Voltage400V440V480V
Efficiency95%97% (+2%)98% (+3%)*
Thermal Capacity5MVA6MVA (+20%)7MVA (+40%)
Insulation ClassIP54IP65IP68

Supplier's note

  1. Three Technical Breakthroughs:

    • CE Certification: Ensures compliance with EU standards for global deployment.
    • Dual Vector Group (Yyn0/Dyn11): Reduces neutral current by 30%, enhancing grid stability.
    • Finned Cooling System: Achieves 20% faster heat dissipation, extending lifespan in high-temperature environments.

  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale industries (e.g., workshops) needing reliable 400V output.
    • Advanced Model: Suitable for medium-sized factories requiring higher efficiency (97%) and IP65 protection.
    • Pro Model: Designed for heavy industrial applications (e.g., mining, petrochemicals) demanding 7MVA capacity and IP68 submersion resistance.

Example Use Case: The Pro Model’s 480V output and IP68 rating enable safe operation in flood-prone areas, paired with its 98% efficiency to reduce energy losses.

Frequently asked questions

  • Which high-voltage transformer suits industrial applications requiring 5MVA capacity and 400V to 33kV voltage transformation?

  • How to maintain the cooling system of a 400v to 33kv high-voltage transformer to prevent overheating?

  • Why is steel casing preferred for high-voltage transformers like the 400v to 33kv model?

  • Can this 5MVA transformer be customized for specific voltage or current requirements in power grids?

  • Is the Step Up Transformer 400v to 33kv CE-certified for safety compliance?

  • Does the 400v to 33kv transformer support 50Hz and 60Hz frequencies for global use?

  • What insulation materials ensure safety in the 400v to 33kv high-voltage transformer?

  • How does the Yyn0/Dyn11 vector group benefit the 400v to 33kv transformer’s performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage TransformationIndustrial substationsInput Voltage: 35kV (Industry: 30kV) ▲ Base: 35kV ▲ Advanced: 40kV (IEC 60076-7 compliant)High step-down capability for large gridsHigher cost and space requirements
Frequency CompatibilityGlobal installations50/60Hz (Industry: 50Hz only) ▲ Base: 50/60Hz ▲ Advanced: 50/60Hz + 400Hz (IEC 60034-1)Operates worldwide without modificationLarger physical footprint
Insulation & SafetyOutdoor environmentsIP54 (Industry: IP53) ▲ Base: IP54 ▲ Advanced: IP65 (IEC 60529)Protected against dust/water ingressIncreased weight and cost
Cooling EfficiencyHigh-temperature regionsFinned cooling (Industry: passive) ▲ Base: finned ▲ Advanced: active cooling (IEC 60076-2)Efficient heat dissipationRequires regular maintenance
Customization FlexibilityTailored grid projectsAdjustable voltage/current (Industry: limited) ▲ Base: 50% custom ▲ Advanced: full customization (IEC 60076-10)Meets specific grid requirementsLonger lead times for orders
Vector Group CompatibilityVersatile installationsYyn0/Dyn11 (Industry: limited options) ▲ Base: Yyn0 ▲ Advanced: both options (IEC 60076-7)Flexible connection types for different loadsRequires skilled installation expertise

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