For construction sites, temporary power supply projects, industrial parks and rural grid upgrading across the globe, stable and affordable power distribution equipment remains one of the core challenges. HuaLai Power’s oil-immersed distribution transformers have gained growing popularity among overseas contractors, project developers and power engineering companies, delivering proven performance for pole-mounted substation applications.
Our 315kVA oil-immersed transformer is a widely adopted workhorse for 10kV distribution systems, perfectly matching the configuration of pole-mounted temporary substations. It is engineered for outdoor pole installation, working seamlessly with high-voltage cables, disconnect switches, vacuum circuit breakers, metering boxes and full-insulation pole fitting kits to form a complete overhead power supply system.
Core Advantages of HuaLai Oil-Immersed Transformers
✅ High Cost Performance Compared with dry-type transformers, oil-immersed transformers feature lower upfront investment, stable operation and mature manufacturing technology. It is the preferred choice for large-scale temporary power projects and grid renovation where customers need to control capital budget.
✅ Strong Overload & Environmental Adaptability Designed for harsh outdoor conditions, the oil cooling structure ensures excellent heat dissipation. It can sustain short-time overload operation and cope with high temperature, dust and variable weather, suitable for construction sites, mining zones and outdoor temporary substations.
✅ Proven & Simple Maintenance The oil-immersed design is a globally well-known mature technology. With regular routine inspection of insulating oil, the transformer can serve a long service life. Spare parts are easy to source worldwide, and field technicians can quickly carry out maintenance work.
✅ Customization Available We can supply oil-immersed transformers in various capacities including 100kVA, 315kVA, 500kVA, 800kVA and above. Custom voltage ratios, tap changers and accessories are supported to meet different national grid standards and project requirements.
Ideal Application Scenarios
· Temporary power supply for construction projects
· Pole-mounted overhead distribution substations
· Industrial factory power supply
· Rural power grid upgrade & reconstruction
· Mining, port and remote area power distribution
We have complete supporting materials to match your substation package: high-voltage YJLV22 cables, concrete utility poles, full-insulation pole hardware kits, high-voltage metering boxes, GW9 series disconnectors and ZW20 vacuum circuit breakers. We can deliver the full set of substation materials as one-stop packaged supply, saving your time on sourcing multiple suppliers.
If you are a power contractor, EPC company or project developer looking for reliable distribution transformers and complete substation packages, welcome to contact HuaLai Power for technical datasheets, quotation and delivery schedule.
Contact: HuaLai Power
Email: hualaipower@gmail.com
Website: https://www.hualaipower.com
Whatsapp:+86 18852130008/+86 18914882008
