33kV Distribution Transformers — XinHuan transformer manufacturer China

Voltage Class — 33 kV

33kV Distribution Transformers

33 kV is widely used for medium-distance distribution in Sub-Saharan Africa, parts of the Middle East, and South Asia — particularly for rural electrification and grid extension projects where longer feeder lines require higher voltage to limit losses. XinHuan manufactures IEC 60076 oil-immersed transformers at 33 kV, from 50 kVA to 10,000 kVA.

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50–10,000
kVA range
33 kV
HV class
IEC 60076
standard
24h
quote response

Technical Overview

33kV — Rural Distribution and Grid Extension

33 kV is the preferred sub-transmission and primary distribution voltage for many African utilities, including those in Nigeria, Ghana, Kenya, Tanzania, Uganda, and Zambia. It is also used in India, Pakistan, and parts of the Middle East. Transformers at this voltage class step down to 11 kV for onward distribution, or directly to 0.4 kV for low-voltage supply.

XinHuan's 33 kV range is manufactured to IEC 60076, with options from small rural distribution units (50 kVA) up to large substation transformers (10,000 kVA). Products are available as standalone oil-immersed transformers or integrated into European-type compact substations for rapid deployment.

All 33 kV transformers include full routine test reports as standard. Type test reports from accredited third-party laboratories are available on request, as is third-party witnessed factory acceptance testing (FAT) by SGS, Bureau Veritas, or Intertek.

Key Specifications

  • แรงดันไฟฟ้าที่กำหนด

    33 kV high voltage; 11 kV or 0.4 kV low voltage

  • Capacity Range

    50 kVA – 10,000 kVA

  • มาตรฐาน

    IEC 60076-1 / GB/T 1094

  • Cooling

    ONAN standard; ONAF available

  • Vector Group

    Dyn11 (standard); YNd11, Dyn1 available

  • Frequency

    50 Hz

  • Insulation Level

    Um = 36 kV (IEC class)

  • Documentation

    Routine test report included; type tests available

Product Range

33kV Distribution Transformers — 75 Models Available

Showing a selection from XinHuan's 33kv distribution transformers range. View full catalog →

View All 75 Models

Export Markets

Where 33kV Distribution Transformers Are Supplied

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Africa & MENA

33kV is the dominant sub-transmission voltage for rural electrification across Sub-Saharan Africa.

Market guide
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Middle East & GCC

33kV IEC distribution for GCC utility and oil & gas facility supply.

Market guide

33kV Distribution Transformers — Get a Price

Send Your Specification

Include capacity (kVA), secondary voltage (11kV or 0.4kV), cooling requirement, country, destination country, and quantity. We respond within 24 hours.

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