K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20) — XinHuan transformer manufacturer China

Harmonic-Mitigating Power Solutions

K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20)

XinHuan engineers high-performance K-factor cast resin dry-type transformers specifically designed to withstand severe non-linear harmonic loads (triplen harmonics, VFD motor drives, and solar inverters). Featuring 200% neutral sizing, copper electrostatic shields, and low-loss transposed windings compliant with IEEE C57.110, AS/NZS 60076, and IEC 60076-11.

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K-4 / K-13 / K-20
harmonic rating
200% Neutral
busbar capacity
IEEE C57.110
standard reference
2-Hour
quote submittal

Technical Overview

Engineered for Australian Mining, Solar & Non-Linear Industrial Grids

Modern variable frequency drives (VFD), rectifiers, and solar PV inverters generate substantial harmonic currents that cause conventional transformers to overheat from stray eddy losses and overload the neutral conductor. XinHuan K-factor transformers are built to handle up to 100% non-linear load content without derating.

Each unit incorporates a heavy-duty 200% rated neutral busbar, continuous grounded electrostatic shielding between primary and secondary windings, and Class H insulation materials to ensure safe, reliable continuous operation in harsh industrial environments.

Key Specifications

  • Capacity Range

    50 kVA to 3150 kVA

  • K-Factor Ratings

    K-4 / K-13 / K-20 (Custom K-30 on request)

  • Primary Voltage

    11 kV, 22 kV, 33 kV, 415 V

  • Secondary Voltage

    415 V / 240 V Three-Phase 4-Wire (Dyn11)

  • Neutral Sizing

    200% Rated Neutral Busbar

  • Shielding

    Electrostatic Copper Shield between Primary and Secondary

  • Standards

    IEEE C57.110 / AS/NZS 60076 / IEC 60076-11 / UL 1561

3D Engineering Anatomy Cutaway

High-precision 3D component breakdown illustrating core assembly, copper windings, insulation, conservator tank, and protection accessories.

K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20) internal 3D cutaway engineering model
High-Grade Silicon Core
Electrolytic Copper Coil
Off-Circuit / OLTC Tap Switch
Buchholz & Temp Relays

Factory Quality Inspection & Testing

Watch routine factory testing and quality control inspections inside XinHuan's manufacturing facility.

100% full routine tests (IEC 60076) conducted before export packing.

Technical Q&A

Frequently Asked Questions — K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20)

XinHuan's K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20) units are manufactured strictly to IEC 60076 and GB/T 1094 standards (or ANSI C57.12 upon request). Every unit undergoes full factory routine tests: winding resistance, voltage ratio, phase displacement, short-circuit impedance, load/no-load losses, and separate-source AC withstand voltage.

To receive a firm EXW, FOB, or CIF quote within 24 hours, please provide: rated capacity (kVA), primary/secondary voltage, frequency (50Hz/60Hz), vector group (e.g. Dyn11), cooling method (ONAN/ONAF or AN/AF), and destination port.

Transformers are packed in fumigated export-grade wooden cases with waterproof moisture barriers and internal bracing. We support EXW (Hefei factory), FOB (Shanghai/Ningbo port), and CIF to any global destination port.

Export Markets

Where K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20) Are Supplied

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Australia & Oceania

Mining VFD drives in WA/Queensland, solar farm inverter step-down, and data centres.

Market guide
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Global Industrial & Mining

Heavy harmonic mitigation for industrial rectifiers and automated processing plants.

Market guide

K-Factor Harmonic Mitigating Dry-Type Transformers (K-4 / K-13 / K-20) — Get a Price

Send Your Specification

Include capacity (kVA), kVA capacity, primary/secondary voltage, target K-factor (K-13 / K-20), destination port, destination country, and quantity. We respond within 24 hours.

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