Core Components

Cores · Active Parts · Accessories — Build your transformer locally with VOLTMORE components

Transformer Cores

The heart of every reliable transformer

3D Wound Core

3D Wound Core

Three-phase symmetrical magnetic circuit — 20% lower no-load loss, significantly quieter operation.

✓ Material: High-permeability GOES
✓ No air gaps in magnetic circuit
✓ Lower magnetizing current

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Amorphous Core

Amorphous Alloy Core

Ultra-low no-load loss — 70% reduction compared to conventional silicon steel cores.

✓ Material: Metglas 2605SA1
✓ Ideal for renewable energy and rural electrification
✓ Green grid ready

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Silicon Steel Core

Silicon Steel Core

High-permeability grain-oriented silicon steel, multi-step lap joints for reduced losses.

✓ Thickness: 0.23/0.27/0.30mm
✓ Up to 35kV class
✓ Cost-effective, proven reliability

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Active Part Assembly

Core + Coils pre-assembled — ready to install into your tank

Active Part Assembly

Complete Active Part

Core + HV Coil + LV Coil fully assembled and tested. Ready for your local tank manufacturing.

✓ Core assembly (your choice of core type)
✓ HV coil and LV coil pre-assembled
✓ Fully tested before delivery
✓ Includes technical documentation

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Why Active Part Assembly?

✓ Reduce import tariffs — lower duty on components vs finished goods
✓ Meet TKDN / local content requirements
✓ Faster time-to-market — no need to build core/coil production line
✓ Focus on your competitive advantage: tank manufacturing and final assembly

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Complete Accessories Supply

All components you need for full transformer assembly

Bushings

High-voltage bushings, dry-type or oil-impregnated, up to 35kV

Tap Changers

Off-circuit tap changers, reliable voltage regulation

Buchholz Relays

Gas and oil flow protection for oil-immersed transformers

Temperature Controllers

Digital temperature indicators and controllers for dry-type transformers

Cooling Fans

Forced air cooling systems for dry-type transformers

Tank Fittings

Corrugated tanks, pressure relief valves, seals, lock nuts

Terminals & Connectors

Complete set of electrical connections and terminations

Technical Documentation

Drawings, assembly instructions, quality control checklists