Engineered Transformer Cores —
Powering the World's Grid, One Core at a Time
From distribution networks to ultra-high-voltage transmission, our transformer cores are engineered to minimize energy loss and maximize operational lifespan. Every lamination is precision-cut, every stack is meticulously assembled.
Features:

1.Supports single-unit million-kilowatt class capacity

2.Ultra-low core loss, ultra-high efficiency

3.Strict quality traceability, full lifecycle management

Transformer Core Specifications
ParameterSpecification
Applicable Voltage110 kV - 1,000 kV+
Core StructureLarge stepped-lap joint, multi-step joint
Single Sheet SizeMax. 4,500 mm
Stacking Accuracy± 0.20 mm
Core Loss IndexSuperior to GB/T 25446 standard
Typical ProjectsBaihetan Hydropower Station, UHV transmission projects
Custom High-Voltage Power Transformer Cores
Features:

1.Strong overload capacity, excellent heat dissipation

2.Suitable for outdoor and harsh environments

3.High cost-effectiveness, stable operation

Transformer Core Specifications
ParameterSpecification
Applicable Capacity30 kVA - 2,500 kVA (Distribution); > 5 MVA (Power)
Core StructureThree-limb, five-limb
Insulation MethodMineral/vegetable oil impregnation + oil cooling
Burr Control≤ 0.05 mm (strict standard)
Stacking Accuracy± 0.15 mm
Efficiency ClassS11 / S13 / S15
Custom Oil-Immersed Transformer Cores
Features:

1.Flame retardant, moisture-proof, maintenance-free

2.Suitable for indoor and high fire safety requirement locations

3.Low noise, low loss design

Transformer Core Specifications
ParameterSpecification
Applicable Capacity30 kVA - 2,500 kVA
Core StructureRectangular stepped-lap joint
Insulation Method EpoxyResin cast + air cooling
Burr Control≤ 0.03 mm (extremely strict standard)
Stacking Accuracy± 0.10 mm
Typical ApplicationsUrban power distribution, rail transit, data centers
Custom Dry-Type Transformer Cores
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