Single Phase Pole Mounted Transformer 25 Kva-100 Kva 13.8Kv-120V 60Hz Vector Group
Single Phase Pole Mounted Transformer 25 Kva-100 Kva 13.8Kv-120V 60Hz Vector Group
1. Product Introduction
The Single Phase Pole Mounted Transformer 25 Kva-100 Kva 13.8Kv-120V 60Hz Vector Group is a standard oil-immersed overhead distribution transformer designed for North American power grid systems and global 60Hz single-phase power supply scenarios. This series of pole-mounted distribution transformer covers a complete capacity range from 25kVA to 100kVA, matching a primary rated voltage of 13.8kV and a secondary output voltage of 120V, fully adapting to low-voltage power consumption standards for residential and small commercial electricity use.
Manufactured in strict accordance with IEEE C57.12.20 industry standards, the product adopts a mature single-phase winding structure and standard vector group configuration, with a rated operating frequency of 60Hz, which is the core frequency specification for regional power distribution in North America, Latin America and other overseas markets. Adopting ONAN oil natural cooling mode and mineral oil insulation system, this overhead single-phase transformer features stable voltage conversion performance, compact pole-mounted installation structure and strong environmental adaptability, and is one of the most widely used medium and small capacity distribution transformers in outdoor overhead power grids.
Different from three-phase power transformers, this single-phase pole transformer focuses on single-line power distribution, with flexible capacity matching, covering low-load power demand from 25kVA daily household electricity to 100kVA small-scale industrial and commercial power supply. The standardized vector group design ensures consistent phase sequence and stable power output, effectively avoiding voltage deviation and power fluctuation in the power distribution process, and meeting the long-term continuous operation requirements of outdoor power equipment.
2. Core Purpose
As a key equipment for medium and low voltage power conversion in overhead power distribution networks, the 25Kva-100Kva 13.8Kv-120V 60Hz single phase pole mounted transformer mainly undertakes the core task of step-down power conversion. It efficiently converts 13.8kV medium-voltage overhead line power into standard 120V low-voltage usable power, providing safe, stable and compliant power supply for terminal single-phase electrical equipment.
This outdoor distribution transformer is dedicated to balancing the voltage difference of regional single-phase power grids, solving the problem of insufficient low-voltage power supply and unstable voltage in remote power supply areas. Its adjustable capacity range from 25kVA to 100kVA can accurately match different load demands, realizing precise power distribution for scattered power consumption points. At the same time, the standard 60Hz frequency design perfectly adapts to the operating frequency of local electrical equipment, ensuring the normal start and stable operation of various single-phase electrical appliances, lighting systems and small power equipment.
In addition, the standardized vector group configuration optimizes the internal winding power transmission logic, reduces power loss during voltage conversion, improves the overall power supply efficiency of the power grid, and plays an important role in energy-saving power distribution and stable grid operation for rural and suburban decentralized power supply systems.
3. Application Scenarios
3.1 Residential Power Distribution
This single phase pole mounted transformer is the mainstream power supply equipment for suburban and rural residential areas with scattered users. The 25kVA-50kVA low-capacity models are suitable for single-family and small villa residential power supply, meeting daily electricity demands such as household lighting, household appliances and living electricity. The 75kVA-100kVA high-capacity models can serve multi-family residential clusters, solving the problem of centralized power consumption in rural communities and suburban residential areas, and adapting to the 120V low-voltage electricity standard of household terminals in 60Hz power grid regions.
3.2 Small Commercial Power Supply
It is widely used in small commercial scenarios such as street shops, convenience stores, small supermarkets and roadside service outlets. These scenarios have single-phase centralized power consumption characteristics, and the 13.8kV to 120V voltage conversion function of the pole-mounted distribution transformer can stably supply power for commercial lighting, cash register equipment, small air conditioning and refrigeration equipment. The outdoor pole-mounted installation method does not occupy commercial land, which is very suitable for street commercial facilities with limited space.
3.3 Light Industrial & Public Facility Power Supply
The 100kVA high-capacity model can meet the power demand of light industrial processing equipment, small workshop production lines and mechanical auxiliary equipment. Meanwhile, it is also applicable to public infrastructure such as rural road lighting systems, roadside monitoring equipment, rural communication base station auxiliary power supply and remote scenic area power supply. For remote areas without three-phase power grid coverage, this 60Hz single-phase transformer can independently complete terminal power supply and ensure the normal operation of public service equipment.
3.4 Off-Grid & Remote Power Supply Projects
For remote mountainous areas, pastoral areas and island areas with sparse power users and long power supply lines, this 25Kva-100Kva pole mounted transformer is the preferred power distribution equipment. Its strong outdoor environmental resistance and low-load stable operation capability can adapt to harsh outdoor working conditions, effectively solve the problem of difficult power supply in off-grid areas, and provide stable single-phase power guarantee for remote living and production scenarios.
4. Product Features
4.1 Standardized Parameter Matching & Stable Performance
The product strictly follows 60Hz power grid frequency standards, with a fixed 13.8kV high voltage input and 120V low voltage output, and the professional vector group design ensures accurate phase alignment and zero disorder in power transmission. The capacity range of 25kVA to 100kVA covers all conventional single-phase terminal power consumption demands, with low voltage regulation rate and small operation fluctuation. The overall power conversion efficiency is high, which can effectively reduce electric energy loss during power distribution and meet the long-term continuous operation requirements of the power grid.
4.2 Outdoor Pole-Mounted Integrated Design
As a dedicated overhead single-phase transformer, it adopts an integrated sealed structure and professional pole-mounted fixing design, which is convenient for rapid installation and fixing on outdoor power poles. The compact overall structure saves installation space, no need for special transformer room and foundation construction, greatly reducing engineering installation cost and construction cycle. The fully sealed oil tank structure can effectively prevent rainwater, dust and moisture from entering, and adapt to various outdoor weather conditions such as high temperature, low temperature and rainy days.
4.3 Excellent Insulation & Environmental Adaptability
Adopting high-purity mineral oil insulation system and high-strength insulating materials, the product has excellent voltage resistance and insulation performance, which can effectively avoid insulation breakdown and leakage accidents under 13.8kV medium voltage operation. The internal winding adopts high-quality conductive materials, with strong oxidation resistance and aging resistance. The shell is treated with anti-corrosion and anti-rust spraying, which can resist outdoor wind and sun erosion, and has a long service life, suitable for long-term unattended outdoor operation.
4.4 Safe & Energy-Saving Operation
This oil-immersed distribution transformer is equipped with overvoltage overload protection and short-circuit protection functions, which can automatically cut off the circuit in case of abnormal load and circuit faults to protect terminal electrical equipment and grid safety. The optimized winding structure reduces no-load loss and load loss, achieving energy-saving and low-consumption operation. The 60Hz frequency adaptive design ensures no frequency mismatch loss during equipment operation, further improving the economic benefit of power grid operation.
4.5 Flexible Capacity & Wide Applicability
The diversified capacity specifications from 25kVA to 100kVA can flexibly match different power consumption scenarios, realizing accurate power supply according to load demand. Whether it is low-power household electricity or medium-power small industrial and commercial electricity, it can achieve stable matching. The universal vector group and voltage parameter design make the product compatible with most 60Hz single-phase power grid systems in overseas regions, with strong market adaptability and wide application coverage.
5. Frequently Asked Questions (FAQ)
5.1 What scenarios are the 25kVA and 100kVA models suitable for respectively?
The 25kVA-50kVA low-capacity single phase pole mounted transformer is mainly applicable to single-family residential households, small rural scattered users and low-power public lighting equipment, which can fully meet daily low-load single-phase power consumption. The 75kVA-100kVA high-capacity model is more suitable for multi-family residential clusters, street commercial outlets, small light industrial workshops and remote public facility power supply. Users can select the corresponding capacity model according to the actual total load power of the terminal power consumption point to avoid overload operation or power waste.
5.2 Does this 13.8Kv-120V 60Hz transformer support long-term outdoor rain and high temperature operation?
Yes, this overhead pole-mounted transformer is specially designed for outdoor harsh working environments. It adopts a fully sealed anti-leakage oil tank structure and anti-corrosion metal shell, with waterproof, dustproof, sun-proof and anti-aging capabilities. The internal ONAN natural cooling system can effectively dissipate heat in high-temperature environments to avoid equipment overheating. It can operate stably for a long time in the temperature range of -40℃ to +55℃, and is fully adapted to outdoor pole-mounted operation conditions in most 60Hz power grid regions.
5.3 What is the advantage of its standard vector group design compared with ordinary single-phase transformers?
The professional vector group configuration of this transformer standardizes the internal winding connection mode and phase sequence relationship. Compared with ordinary non-standard single-phase transformers, it can ensure zero phase deviation in voltage conversion, more stable output 120V low voltage, and effectively avoid equipment damage caused by voltage fluctuation and phase disorder. Meanwhile, the standardized vector group is compatible with mainstream grid detection and maintenance standards, which is convenient for daily grid inspection, fault maintenance and later equipment upgrading and replacement, and improves the overall stability and maintainability of the power distribution system.
