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630kVA Mv Hv Oil Immersed Transformer Electrical Isolation Three Phase Power Transformer

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630kVA Mv Hv Oil Immersed Transformer Electrical Isolation Three Phase Power Transformer

630kVA MV HV Oil Immersed Transformer Electrical Isolation Three Phase Power Transformer
Product Specifications
AttributeValue
TypeDistribution Transformer, Oil-filled Transformer
MaterialCopper, Aluminum, Steel
Frequency50Hz
ShapeRectangle
Winding MaterialCopper, Aluminum
ApplicationElectronic, Industrial
PhaseThree
Coil StructureCircular coil
Coil NumberDual-winding coil
Input Voltage10kV, 35kV, 110kV
Output Voltage0.4KV
ColorWhite
Size150*80*120CM
Vector GroupDyn 11
Cooling MethodONAN
Capacity63kVA
Product Description

High-voltage oil-immersed power transformers with multi-layer pressboard insulation, enhanced via pre-impregnated lamination to improve thermal cycling and voltage surge resilience.

International Certifications & Full Factory Testing
  • Compliant with IEC, ANSI, and BS standards, with CE, ISO9001, and type test certificates available
  • 100% factory-tested for electrical performance and vacuum-dried for insulation reliability
  • Ensures safe and compliant procurement for global projects with guaranteed performance
S20 Type Energy-Efficient Secondary Oil-Immersed Transformer
Rated Capacity (KVA)Vector GroupVoltage CombinationNo-load LossLoad LossImpedance
30Yyn0 / Dyn1110 6.3 6705054.0
5090730
63100870
801151050
1001351265
1251501510
1601801850
2002152185
2502602560
3153053065
4003703615
5004304330
63051049604.5
8006306000
10007458240
12508709600
1600105011600
20001225146405.0
2500144014840
630kVA MV HV Oil Immersed Transformer
Frequently Asked Questions
Who are we?

HENTG POWER is a professional designer, manufacturer and installer of power system solutions around the world. Founded in 2011, we occupy 100,000 square meters and specialize in reliable, high-performance solutions for global power systems.

How can we guarantee quality?
  • Always a pre-production sample before mass production
  • Final inspection before shipment with QC & test reports provided
  • We accept FAT (Factory Acceptance Test)
  • Factory can manufacture oil type and dry type distribution transformers, max 500KV 480MVA power transformer, GIS, switchgear, substation
  • Compliant with ANSI/IEEE/DOE2016/CSA/IEC60076 standards
  • 2+ years guarantee service provided
Why choose us?
  • Professional and independent drawing team and technical team
  • Expected to confirm all drawing contents within 7 days
  • 30+ senior engineers offering 24/7 online service with 30-minute response time
What services can we provide?

Accept OEM, business payment terms are negotiable.

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