Features of Pole-mounted Transformer
- High cost-effectiveness with 30-60% lower engineering investment cost.
- Stable operating in high temperatures, humidity, and salt spray environments.
- Simple structure with fewer failure points that can be used for over 30 years.
- Pole-mounted installation method protects pedestrian safety and reduces vandalism.
- The compact structure allows a direct installation without a substation foundation.
Your Reliable Pole-mounted Transformer Manufacturer in China
Every pole-mounted transformer exported by ZHONGSHAO is manufactured in strict accordance with IEC, ANSI, and other major international standards. The high-efficiency coil core with fully sealed construction of the ZHONGSHAO pole-mounted transformer can give you the best and stable power supply quality.
An aluminum winding material single phase dual voltage pole mounted transformer with 415V output voltage and 50Hz/60Hz of frequency.
A 3kV input voltage aluminum material high frequency single phase pole mounted transformer with a durable and long service life feature.
An oil immersed type transformer with a copper/aluminum winding material and a 480V output voltage and 12.47kV input voltage.
A fully sealed construction and coil structure, builted with a multi winding coil number and a custom input and output voltage.
A custom input and output voltage conventional type pole mounted distribution transformer and a copper/aluminum winding material.
An oil type custom input and output voltage single phase pole mounted transformer for power supply and power distribution.
A 10kV input voltage oil immersed pole mounted transformer with a copper and aluminum material coil winding and an operating temperature of 40 To+180 degree Celsius.
A custom insulation class electric power distribution pole mounted transformer with custom input and output voltage ad=nd a 50Hz/60Hz frequency.
What is the Pole-mounted Transformer?
Pole-mounted is one of the most used transformer installation methods. The pole-mounted transformer is usually installed on the utility pole. It can convert the high-pressure over 10kV to 220V household electricity. By using the pole-mounted transformer, you don’t need to lay a long line from the terminal transformer and save on investment.
Benefits of the Pole-mounted Transformer
Low Cost
The biggest benefit of the pole-mounted transformer is the low cost. Compared with other types of transformers, the pole-mounted transformer has lower installation and operation costs. About installation, the pole-mounted transformer does not need a bench or substation foundations when installed, and the whole engineering investment is reduced by 30-60%.
The operation and maintenance of the pole-mounted transformer is reduced. This is thanks to its simple structure and small quantity of accessories. This means there are fewer failure points in your pole-mounted transformer, making it easy to maintain.
High Security
The high security of the pole-mounted transformer is from the multiple protection configurations. On the high-voltage side, there are disconnecting switches, fuses, surge arresters, etc. On the low-voltage side, there are low-voltage fuses, switches, and short-circuit protectors. You can also equip the automated devices, such as a segmenter or recloser, for the smart distribution network.
In addition, the pole-mounted transformer is installed away from the ground, which can improve the security and prevent the risk of pedestrian electric shock. It has a smaller impact on the traffic and construction. High-altitude installation can also reduce the risk of transformer tampering.
Durable
The pole-mounted transformer is specially designed for the harsh environment. Especially the high temperature, high humidity, or high salt spray environments. Whether in heavily polluted industrial areas, high-altitude regions, or dusty environments, pole-mounted transformers can operate stably.
You can use the pole-mounted transformer with a dry-type or oil-immersed design to meet different environmental protection requirements. For example, for pole-mounted oil-immersed transformers, you can choose FR3 vegetable insulating oil to achieve higher fire resistance and environmental protection levels.
Long Service Life
The long service life of pole-mounted transformers can be reflected in several aspects. First, the structure of the pole-mounted transformer is simple and the failure points are fewer. The pole-mounted transformer can operate stably under long-term operation.
About the box structure of the pole-mounted transformer, the oil-immersed type uses a thickened steel plate welded fuel tank, which can withstand pressure and mechanical shock. The closed structure can prevent your transformer from oil oxidation. Typically, the life span of the oil-immersed pole-mounted transformer is about 10-20 years. In addition, the dry type pole-mounted transformer uses epoxy resin cast coils or H-class insulation with high mechanical strength and short-circuit withstand capability.
The last factor about the long service life is the high heat dissipation efficiency. Because of the special installation location. The transformer is completely exposed to air. With the natural ventilation around the perimeter, the cooling efficiency of the pole-mounted transformer is better than the ground-based. At the same time, the heat sink can increase the heat dissipation area. Which means the operating temperature is lower to improve the actual service life.
Easy to Install
The installation of the pole-mounted transformer is very convenient. You don’t need to prepare the substation foundation before installation. It is suitable for the rural or temporary power supply.
The whole weight of the pole-mounted transformer is light. When you install the pole-mounted transformer, you just need an ordinary truck and a simple crane to finish the delivery and hoisting. The compact structural design allows for one-time hoisting completion. If it is used for temporary construction, it can improve your construction efficiency a lot.
Applications of the Pole-mounted Transformer
Remote Areas
The remote areas with small crowds gathering are the perfect places to use the pole-mounted transformer. The pole-mounted transformer has a small structure and low foundation requirements, and it can withstand environmental resistance strongly. The pole-mounted transformer is the best voltage reduction scheme for retail investors.
- Rural
- Farm
- Mountain
- Desert
Industry and Commerce
Although the pole-mounted can only step down the voltage of medium-voltage distribution networks. However, this is perfectly applicable to lightly loaded industrial and commercial areas. You can use one or multiple pole transformers to complete a point power supply.
- Convenience store
- Community service outlet
- Small factory
- Temporary construction
Public Facilities
The public facilities are also a big market for the pole-mounted transformer. Such as transportation facilities, public buildings, or municipal infrastructure.
- Traffic light systems
- Road lighting
- School
- Sewage treatment plants
How to Choose a Suitable Pole-mounted Transformer?
The pole-mounted transformers can be divided into many types depending on different features. But how to choose the most suitable one? The following will introduce you to the factors you need to consider when selecting the pole-mounted transformer.
Load Requirements
The load requirements are the primary factor you need to consider. About the transformer capacity (kVA), we suggest that you design your pole-mounted transformer according to the 80% load rate, which can prevent insulation aging caused by long-term full load.
About the load type. Different load features decided winding structure and impedance requirements. If you are looking for a pole-mounted transformer for a residential area, then you must consider the low noise and low loss. If it is a low-load industrial or commercial enterprise, then low-voltage stability is a very important consideration.
Efficiency
A high-efficiency transformer can reduce energy loss. Such as high-quality cold-rolled silicon steel or amorphous alloy iron core. The amorphous alloy can reduce the no-load loss by over 60%.
Compliance
When choosing a pole-mounted transformer, product compliance is an important consideration. The compliance can ensure the security, reliability and industry recognition of your pole-mounted transformer. The international standards, such as IEC, ANSI/IEEE, and EU Ecodesign, are the basic requirements.
Manufacturer Reputation
When purchasing a pole-mounted transformer, it’s actually a manufacturer selection process. A reliable transformer manufacturer can not only provide high-quality equipment, but they can also give you long-term service and support to avoid quality risks. Below are the main factors you need to notice when selecting a manufacturer.
- Qualifications and manufacturing capability
- Real customer case studies
- Quality control
- Quality inspection
- Warranty
- After-sales service
Yes. The pole-mounted transformer safe uses strong insulating materials and is installed in unreachable places. There are fuses and a surge arrester inside that can cut off the circuit automatically to prevent fire or explosion.
The single-phase pole-mounted transformer is suitable for residential or rural use. If you have high requirements for the industrial and urban electricity networks, then the three-phase transformer is suitable for you.
Yes. The pole-mounted transformer will be affected by extreme weather, like strong winds, lightning, ice storms, or floods. You can add different protective measures according to your needs.
For example, electrical cabinets with an IP54 rating or higher and UV-resistant coatings can be configured to adapt to desert environments. In windy areas, reinforced installation brackets can be used to improve safety.
