110 kV Mobile Substation Transformer

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Vehicle-Mounted Mobile Transformer

A vehicle-mounted mobile transformer provides a flexible substation solution designed for temporary, emergency, and other specialized power requirements.

Inquiry

Product Introduction

Product Overview

Temporary power supply
Where electricity demand grows faster than planned grid construction, the mobile unit can serve as a temporary substation to ease supply constraints. It can also provide interim or rental service while a permanent substation project is delayed by budget, scheduling, or other project conditions.
Expansion and refurbishment of existing substations
During equipment maintenance, capacity expansion, or substation renovation, the mobile transformer can provide short-term replacement capacity when continuity of supply is essential.
Emergency and disaster response
When severe weather, natural disasters, or other external events interrupt service, a mobile substation can replace all or part of a conventional installation, restore electricity quickly, and reduce outage duration.

Technical Specifications

Vehicle-Mounted Mobile Transformer

SN	Name	Model
Primary electrical equipment
1	Power transformer	SF5000/110; 115 ±2 × 2.5% / 36.5 kV; Ud = 10.5%; YN,d11; ONAF; filled with 45# transformer oil
2	Neutral point complete set of grounding equipment	GW13-72.5, 630 A; discharge gap 120 ±5 mm; MCT 100–300/1 A, 10P20, 30 VA; arrester YH1.5W5-72/186
3	110 kV HGIS combined switchgear	126 kV, 2000 A, 40 kA assembly including circuit breaker, current transformer, disconnecting switch, earthing switch, bushings, and related components
4	110kV voltage transformer	TYD-110/√3-0.01H; 110/√3 / 0.1/√3 / 0.1/√3 / 0.1 kV; classes 0.2/0.5/3P; 20 VA / 30 VA / 50 VA
5	110 kV zinc-oxide surge arrester	YH10WZ-108/281; Ur = 88 kV; In = 10 kA; supplied with discharge counter
6	35kV incoming and outgoing line cabinet	40.5 kV circuit-breaker cabinet, rated 1250 A / 31.5 kA, with top-to-bottom incoming arrangement
7	35kV busbar equipment cabinet	PT cabinet with 0.5 A fuse, bottom-connected surge arrester, and primary harmonic-elimination device
8	35kV substation transformer cabinet	30 kVA station-service transformer with 1 A fuse; final configuration subject to project design
Secondary electrical equipment
1	Power transformer protection, metering, and control panel	Integrated main and backup protection units; high- and low-voltage measurement/control units; transformer body protection; common measurement and control unit
2	Monitoring and remote control cabinet	Dual main/standby remote-control units; dispatch conversion device; two monitoring hosts with integrated automation and interlocking; network switch; time-synchronization device; electrical data acquisition unit
3	AC/DC power supply panel	DC supply: 3 × 10 A / 220 V; UPS supply: 2 kVA
4	Battery screen	50 Ah, DC 220 V
5	Multifunction power meter	Grade 0.5
6	Multifunction energy meter	0.2S
Auxiliary equipment
1	Semi-trailer	Three-line, six-axle suspension with load capacity above 75 t, including gooseneck, suspension, and support systems; suitable for Class IV road access requirements
2	Cabin	Enclosed cabin for secondary panels and switchgear, complete with fire alarm, air conditioning, lighting, and electric heating
3	Transport-condition online monitoring	Acceleration sensor, GPS positioning unit, and forward/rearward driving cameras
4	Automatic SF6 gas filling and recovery unit	Pressure-condensing design with hermetic SF6 compressor; filling rate above 40 kg/h (6–10 m³/h); recovery rate 40 kg/h (8 m³/h)
5	Vehicle access handrails and boarding ladder	Supplier to ensure safe operating access; trolley ladder designed with a self-retracting mechanism.

Application

Product Features

✔ High Efficiency and Energy Saving
✔ Superior Thermal Performance
✔ Strong Overload Capability
✔ Flexible Customization Options
✔ Durable and Weather-Resistant Design
✔ Low Noise Operation

Customization Service

Certifications

Packing and Delivery

Testing and Quality Assurance

Routine Electrical Tests: insulation resistance, winding resistance, voltage ratio, load loss, no-load loss
High Voltage & Dielectric Tests: lightning impulse, short-circuit withstand, dielectric strength
Temperature Rise Tests: ensures stability under maximum load and continuous operation
Noise and Vibration Tests: industrial noise reduction and minimal vibration for sensitive environments
Oil Quality Analysis: dielectric strength, moisture content, and chemical stability

Installation and Maintenance

The transformer is designed for easy installation and low maintenance:

Suitable for outdoor or indoor installation
Minimal maintenance due to sealed oil system
Periodic inspection recommended for long-term performance

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Tell us the required capacity, primary and secondary voltages, phase, frequency, installation environment, applicable standard, and delivery destination. Our sales and engineering teams will review your requirements and respond within one business day.