XinHuan 31.5 MVA 110kV Mobile Transformer Substation Sitrak Semi-Trailer Mounted

Substations & Switchgear · Mobile Substations

31.5 MVA 110kV Semi-Trailer Mounted Mobile Transformer Substation

XinHuan 31.5 MVA Semi-Trailer Mounted Mobile Transformer Substation. Complete containerized substation on heavy-duty multi-axle chassis with integrated GIS, power transformer, / switchgear, and microclimate control cabin for emergency grid restoration and temporary mining/utility power.

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Technical Specifications

Rated Capacity 31.5 MVA (31,500 kVA)
Primary Voltage (HV) 110 kV (±2×2.5% OLTC / OCTC)
Secondary Voltage (LV) 10.5 kV / 33 kV
Rated Frequency 50 Hz / 60 Hz
Cooling Type ONAN / ONAF (Automated Forced Air)
Vector Group YNd11 / YNyn0
HV Switchgear 110kV SF6 Gas-Insulated Switchgear (GIS, 31.5kA)
MV Switchgear 10kV / 33kV Metal-Clad Vacuum Switchgear (KYN28 / YRM6)
Transport Chassis Heavy-Duty Multi-Axle Semi-Trailer with Hydraulic Stabilizers
Control Enclosure Walk-In IP54 Microclimate Cabin with SCADA & RTU
Standards Compliance IEC 60076, IEC 62271-200, IEC 62271-202, IEEE C57.12

Equipment Video Walkthrough 100% Tested

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Product Information

Status

Published

Product ID

110KV_31_5MVA_SEMI_TRAILER_MOUNTED_MOBILE_SUBSTATION

Last Updated

2026-08-25T02:36:40.620598+00:00

Core

  • Rapid Grid Deployment: Full substation commissioning in under 24 hours for emergency restoration, grid maintenance bypass, and remote mining sites.
  • Multi-Axle Heavy-Duty Transport Chassis: Compatible with Sitrak/heavy tractor trucks, engineered for cross-country highway and unpaved terrain transport.
  • Hermetic SF6 Gas-Insulated Switchgear (GIS): Compact footprint with high impulse withstand and maintenance-free operation.
  • Integrated Microclimate SCADA Control Cabin: IP54 temperature-controlled operator room with protection relays, remote telemetry, and auxiliary AC/DC distribution.
  • Dual Cooling System: ONAN/ONAF high-efficiency radiators with automated low-noise forced air cooling for continuous full-load operation in ambient temperatures up to 50°C.

Internal Component Engineering Anatomy

High-precision 3D engineering cutaway model illustrating the core, windings, insulation, conservator tank, and protection accessories.

Vacuum circuit breaker internal 3D cutaway model
High-Grade Silicon Core
Electrolytic Copper Windings
Tap Changer System
Buchholz & Temp Sensors
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XinHuan 31.5 MVA 110kV Semi-Trailer Mounted Mobile Transformer Substation Substation 2D AutoCAD General Arrangement Drawing
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing

Official XinHuan factory 2D vector General Arrangement drawing for 31.5 MVA 110kV Semi-Trailer Mounted Mobile Transformer Substation. Includes front elevation view, top plan view, bushing center-to-center distances, mounting hole footprint, and complete vector group layout.

Full Dimensions ($L \times W \times H$)
Bushing Terminal Distances
Mounting Base Footprint
Vector Group & Title Block
Request CAD Submittal (.DXF / .PDF) Factory Quality Inspection

Frequently Asked Questions

Contact XinHuan engineering team for customized mobile substation designs.

IEC 60076, IEC 62271-200, IEC 62271-202, IEEE C57.12

Heavy-duty export packing with moisture-proof wrapping & transport securing

Related Markets & Resources

Buyer's Guide

How to source from China

Standards & Compliance

IEC 60076, IEC 62271-200, IEC 62271-202, IEEE C57.12

Packaging, Delivery & Service

Heavy-duty export packing with moisture-proof wrapping & transport securing

Contact XinHuan engineering team for customized mobile substation designs.

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