Oil-Immersed Transformers Distribution & Power Transformers SKU: 5000KVA_33KV_HIGH_ALTITUDE_MINING_TRANSFORMER

5000 kVA 33 kV High Altitude Mining Power Transformer (Oil-Immersed, Three-Phase)

Factory-direct 5000 kVA mining power transformer engineered for high-altitude applications up to 4000m. Robust design with enhanced cooling and insulation for reliable performance in harsh mining environments.

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

Technical Parameters & Ratings

IEC / ANSI Certified Factory Standard
Rated Capacity 5000 kVA (ONAN) / 6300 kVA (ONAF Forced Air)
Primary Voltage 33 kV / 34.5 kV (Delta, BIL 170 kV)
Secondary Voltage 4.16 kV / 6.6 kV / 13.8 kV / 400 V (Star with Neutral)
Frequency 60 Hz (Latin America / USA) / 50 Hz (IEC Standard)
Vector Group Dyn11 / YNd11
Altitude Rating Designed for High-Altitude Andean Mining (>3,500m to 4,800m ASL)
Cooling Type ONAN / ONAF (Liquid Immersed with Radiators & Forced Air Fans)
No-Load Losses (Po) 3.8 kW (High-Grade Silicon Steel Step-Lap Core)
Load Losses (Pk at 75°C) 38.5 kW (100% Electrolytic Oxygen-Free Copper)
Short-Circuit Impedance (%Z) 6.5% standard (tolerance ±10%)
Insulation Fluid Mineral Oil (IEC 60296 Class II) / FR3 Synthetic Ester Optional
Bushings Creepage Distance Extra-High Creepage (>31 mm/kV) Anti-Pollution Porcelain Bushings
Tank Construction Heavy-Duty Corrugated Conservator Tank with C5M Anti-Corrosion Marine Paint
Protection Devices Buchholz Relay, Magnetic Oil Level Gauge (MOG), WTI & OTI with Alarm Contacts, Pressure Relief Device
Standards Compliance IEC 60076, ANSI/IEEE C57.12.00, OSINERGMIN / CNE (Peru SEIN Grid Compliant)

Application Scenarios

  • Andean copper, zinc & gold mining site substations, utility intake, heavy industrial smelting mills, and solar farm collector stations.

Features

  • Specially engineered high-altitude insulation and extended bushing creepage preventing flashover at low atmospheric pressures up to 4,800m ASL.
  • 100% Electrolytic oxygen-free copper windings with stepped mitered silicon steel core, delivering ultra-low loss and superior short-circuit dynamic withstand.
  • Full instrumentation suite including double-float Buchholz relay, dial-type oil/winding thermometers with microswitches, and rapid pressure relief valve.

Standards

  • 100% Factory Acceptance Testing (FAT) including power-frequency withstand, lightning impulse, partial discharge (<5pC), and CNAS routine test submittals.
XinHuan 5000 kVA 33 kV High Altitude Mining Power Transformer (Oil-Immersed, Three-Phase) 2D AutoCAD General Arrangement Drawing Blueprint
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing & Footprint

Official XinHuan factory 2D vector General Arrangement drawing for 5000 kVA 33 kV High Altitude Mining Power Transformer (Oil-Immersed, Three-Phase). Includes front elevation view, top plan view, terminal centerline clearances, base channel mounting footprint, and complete vector group connection schematics.

Dimensions ($L \times W \times H$ mm)
Terminal Centerline Clearances
Base Channel Mounting Pitch
Vector Group & Rating Plate
XinHuan Oil-Immersed Transformer Core Stacking & Assembly Workshop
XinHuan Hefei Manufacturing Plant — Precision Winding & Assembly Line
Factory Build Quality

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

100% Factory Acceptance Testing (FAT) Protocol

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

Export Packaging & Seaport Logistics

Global CIF / FOB Delivery

Export seaworthy heavy-duty structural steel transport skid with vacuum nitrogen blanketing and moisture-proof barrier. Direct ocean freight delivery to Port of Chancay & Callao (25-35 days).

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

Engineering & Procurement FAQs

Frequently asked questions regarding specifications, certifications, and delivery for 5000 kVA 33 kV High Altitude Mining Power Transformer (Oil-Immersed, Three-Phase).

Please specify rated capacity (kVA), primary/secondary voltages, frequency (50/60Hz), standard (IEC/ANSI), cooling type, site altitude, and target destination port.

Manufactured and tested in accordance with IEC 60076, ANSI/IEEE C57.12.00, and Peruvian CNE/OSINERGMIN standards. Certified routine test reports (FAT) and type test documentation provided with every unit.

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).

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