Oil-Immersed Transformers Power Transformers SKU: 63_MVA_132KV_11KV_THREE_PHASE_OIL_IMMERSED_POWER_TRANSFORMER

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer

This 63 MVA / three-phase oil-immersed power transformer is designed for utility substation, grid interconnection, and large industrial applications. Suitable for transmission and sub-transmission voltage classes. IEC 60076 design reference; ONAN/ONAF cooling options available. Manufactured and exported from Hefei, China.

Compliance Standards
IEC • ANSI • IEEE • GB
Quality Inspection
100% FAT Routine Tested
Engineering CAD
2D CAD / SLD Schematics
Global Logistics
Direct Seaport CIF Export
Engineering Datasheet

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — Technical Parameters & Ratings

Print Submittal Datasheet IEC / ANSI Certified Factory Standard
Rated Capacity 63 MVA (63,000 kVA)
High Voltage 132.0 kV
Low Voltage 11.0 kV / customized
Frequency 50 Hz / 60 Hz
Phase Three Phase
Cooling Method ONAN / ONAF optional
Vector Group YNd11 / YNyn0 / customized
Tap Changer On-load tap changer (OLTC) / Off-circuit optional
Tapping Range +/-8 x 1.25% (OLTC) / +/-2 x 2.5% (OCTC)
Winding Material Copper
Core Material CRGO silicon steel, grain-oriented
Insulation Medium Mineral insulating oil
Standard IEC 60076 design reference
Installation Outdoor substation / indoor GIS substation

Application Scenarios

  • Utility substation step-down at / for distribution networks
  • Grid interconnection and power transmission projects in Africa and MENA
  • Large industrial facility main power supply transformers
  • EPC contractor packages for power plant auxiliary and grid connection

Key Features

  • 63 MVA rated capacity for utility substation and grid applications
  • high voltage class for sub-transmission and transmission grid interconnection
  • ONAN standard cooling with ONAF upgrade option for higher ambient temperature sites
  • On-load tap changer (OLTC) available for voltage regulation under load
  • Full copper windings with CRGO grain-oriented silicon steel core for low losses

Engineering Submittal & Layout Workbench

Substation Room Fit & Multi-Equipment CAD Footprints

Select your equipment type and capacity to inspect verified GA engineering CAD line drawings, Single Line Diagrams (SLD), dimensions (L × W × H), roller gauge, and submittal clearances before procurement.

Available Ratings:
IEC 60076-1 Submittal Specs
XinHuan Engineering GA CAD Drawing
XinHuan Engineering Single Line Diagram (SLD)
11kV / 33kV Dual Voltage
IEC 60076 / IEEE Compliant
100% Routine Factory Tested
Export Nitrogen / Seaworthy Pack

1000 kVA Technical Dimensions

IEC 60076-1

International utility & industrial submittal specifications

Overall Length (L) 1,750 mm
Overall Width (W) 1,120 mm
Overall Height (H) 1,780 mm
Roller Wheel Track Gauge (D) 820 mm
Total Equipment Net Weight 3,820 kg
Min Substation Clearance 1,000 mm surrounding
Rated Voltage / System 11 kV / 33 kV Dual Primary
Applicable Standard IEC 60076-1 / IEEE C57
Download Technical Data Sheet (PDF) Request Factory Engineering Submittal Package

Full CAD DXF/DWG vector footprints, 3D STEP models, and custom project submittals provided within 2 hours upon request.

PSCAD™ & ETAP® Grid Simulation

Non-Linear V-I Saturation Curve & Air-Core Inductance (\(L_{\text{air}}\))

Precision core excitation characteristics, non-linear knee inflection (\(V_k\)), and air-core reactance (\(X_{\text{air}}\)) calibrated for 63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer.

Full Engineering Suite
Quick Rating Switch
kVA
kV
%
2.10
1.80 (Compact Shell) 2.10 (Standard IEEE / CIGRE) 2.50 (Outer HV Layer)
Air-Core Inductance (\(L_{\text{air}}\)) 18.7× In Peak
81.65 mH
Reactance
25.65 Ω
Knee \(V_k\)
13.0 kV
Decay \(\tau\)
0.17 s
Request Certified Factory Excitation & Inrush Submittal
Non-Linear Magnetization Characteristic (\(\lambda - I_{\text{exc}}\)) Interactive Vector Plot
Linear Core Zone Knee Transition Air-Core Slope (\(X_{\text{air}}\))
PSCAD Simulation Point Voltage (\(V_{\text{pu}}\)) Flux (\(\lambda\), Wb-t) Current (\(I_{\text{pu}}\)) Current (A)
Data formatted for direct entry into PSCAD Classical Saturable Transformer and UMEC core components per IEEE C57.12.00 & CIGRE 33.02.
63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — XinHuan Oil-Immersed Transformer Core Stacking & Winding Workshop
XinHuan Hefei Manufacturing Plant — Precision Winding & Assembly Line
Factory Build Quality

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — Internal Construction & Premium Materials

Built with tier-1 certified raw materials engineered for long operational life (>30 years), superior dielectric withstand, and high short-circuit withstand capacity.

Silicon Steel Core

High-grade grain-oriented cold-rolled silicon steel with step-lap mitered joints for low $P_o$ losses.

100% Copper Windings

Electrolytic oxygen-free copper with high thermal grade insulation for surge resistance.

Precision Tap Changer

De-energized tap switch ($\pm 2 \times 2.5\%$) or on-load vacuum tap changer (OLTC) optional.

Protection & Sensors

Buchholz gas relay, magnetic oil gauge (MOG), and dial thermometers with alarm contacts.

Quality Assurance

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — 100% Factory Acceptance Testing (FAT)

CNAS & ISO 9001 Certified

Every transformer unit manufactured by XinHuan undergoes mandatory routine factory testing prior to container dispatch. Full certified routine and type test submittal reports are provided with commercial documentation:

1. Insulation Resistance

Megger test (HV to LV, HV to Earth, LV to Earth) >1000 MΩ.

2. Voltage Ratio & Vector

Turns ratio check across all taps with phase displacement check.

3. Winding DC Resistance

Precision Kelvin bridge measurement across all tap positions.

4. Short-Circuit Impedance

Load loss ($P_k$) measurement corrected to reference temp (75°C).

5. No-Load Loss & Current

Core excitation test ($P_o$ and $I_o$) at rated sinusoidal voltage.

6. AC Voltage Withstand

Power-frequency separate source test (e.g. 50kV/70kV 1 min).

7. Lightning Impulse (BIL)

Full wave & chopped wave impulse withstand (BIL up to 170kV).

8. Partial Discharge & Seals

Ultra-low discharge (<5 pC) and pressurized oil/gas tightness test.

Logistics Intelligence

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — Export Packaging & Seaport Logistics

Global CIF / FOB Delivery

Large power transformers are shipped with oil-filled or oil-free transport options depending on voltage class and destination. All units include full documentation: routine test report, nameplate data, packing list, and certificate of origin. Lead time is confirmed at order stage based on specification complexity.

Production Lead Time

Standard manufacturing cycle is 4 to 6 weeks from approval of GA blueprints and single-line diagrams.

Heavy-Duty Export Packaging

Vacuum moisture barrier preservation, nitrogen blanketing, and reinforced steel-frame structural crate skids.

Direct Seaport Routes

Fast ocean freight to Port of Chancay & Callao (25-35 days), Manila, Lagos, and Middle East ports.

Equipment Video Inspection

100% Tested

Watch XinHuan technicians perform routine dielectric testing, winding insulation checks, and quality inspections inside our Hefei manufacturing plant.

Every unit 100% routine tested before container loading.
Direct Factory Consultation

Need Custom Project Engineering?

Send your single-line diagram (SLD), voltage ratings, or tender specifications. Our chief electrical engineers will review and issue an actionable CIF quotation within 24 hours.

Custom Voltage Ratios
High-Altitude Derating
Short-Circuit Impedance
Third-Party FAT Witness

63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer — Engineering & Procurement FAQs

Frequently asked questions regarding specifications, certifications, and delivery for 63 MVA 132kV/11kV Three-Phase Oil-Immersed Power Transformer.

Please send us your required MVA rating, primary voltage, secondary voltage, frequency (Hz), cooling class (ONAN/ONAF/OFAF), vector group, impedance, and installation site conditions. We will respond with a technical proposal and indicative pricing within 24 hours.

The product can be produced according to IEC 60076 and customer technical specifications for power transformer applications. Routine and type tests including temperature rise, impulse, and short-circuit withstand are available. Third-party witnessed testing can be arranged.

Standard manufacturing lead time is 4 to 6 weeks following approval of GA blueprints and single-line diagrams. Direct sea container shipping is available under FOB, CFR, or CIF terms with full customs documentation (Bill of Lading, Certificate of Origin, Test Reports).
PARENT ENGINEERING PILLAR IEC 60076 · 50–3150 kVA Loss & Impedance Tables

11kV Distribution Transformers Pillar Guide

Compare full capacity no-load loss ($P_0$), load loss ($P_k$), impedance ($U_k\%$), dimensional weights, and routine test tolerances across all models in this series.

Engineering Reference Silo

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