Single Phase Distribution 50kVA 100kVA Pole Mounted Transformer
Single Phase Distribution 50kVA 100kVA Pole Mounted Transformer
1. Product Description
Single Phase Distribution 50kVA 100kVA Pole Mounted Transformer is a compact oil-immersed overhead power distribution equipment widely deployed in outdoor utility power grids, rural electrification projects and suburban scattered power supply systems. This single-phase pole mounted transformer covers two mainstream rated capacities of 50kVA and 100kVA, specially designed for overhead line installation and single-phase low-load power conversion scenarios. Manufactured in full compliance with ANSI, IEEE and IEC industry standards, this oil filled distribution transformer adopts mature ONAN natural cooling technology and sealed insulation structure, which is the most common terminal voltage regulation and power transformation equipment in overhead distribution networks.
Different from three-phase ground-mounted and pad-mounted transformers, this single-phase overhead transformer features lightweight body, integrated structural design and direct crossarm pole mounting mode, requiring no foundation construction or large installation space. Equipped with high-quality low-loss silicon steel core and high-purity copper windings, the 50kVA and 100kVA pole mounted distribution transformer effectively reduces no-load loss and line transmission loss during long-term standby and intermittent operation. Filled with premium mineral insulating oil (FR3 ester oil optional), the whole machine realizes stable insulation protection and passive heat dissipation. With built-in overvoltage arresters and fuse protection components, this utility pole transformer integrates power transformation and safety protection functions, perfectly adapting to long-term unattended outdoor overhead power distribution operation.
2. Core Product Features
This series of 50kVA and 100kVA single phase pole mounted distribution transformers has prominent practical advantages in installation convenience, energy-saving performance, outdoor adaptability and operational safety. It solves the problems of large occupied space, high construction cost and poor flexibility of traditional ground-mounted transformers, and is the preferred cost-effective equipment for decentralized single-phase power supply.
2.1 Lightweight Pole-Mount Design for Fast On-Site Deployment
Adopting optimized compact mechanical structure and integrated mounting bracket, this overhead single-phase transformer is specially designed for utility pole crossarm installation. Compared with conventional distribution transformers, it greatly reduces overall weight and volume, allowing quick hoisting and fixing without concrete foundation construction. The simplified installation process shortens project construction cycle and reduces civil engineering investment, making it highly suitable for rapid grid renovation and scattered point power supply deployment in remote areas.
2.2 Low Loss Energy-Saving Performance and Stable Voltage Output
Using high-permeability grain-oriented silicon steel sheets and precision winding process, the 50kVA and 100kVA oil immersed single-phase transformers effectively control no-load current and idle power consumption. The optimized magnetic circuit layout minimizes magnetic leakage loss, ensuring low power consumption during long-term standby operation which is very common in rural scattered power grids. The equipment maintains stable single-phase voltage output under dynamic load fluctuation, with voltage regulation accuracy up to industry standard, effectively avoiding terminal voltage instability caused by long-distance overhead line transmission.
2.3 Fully Sealed Oil Immersed Structure with Low Maintenance
The integral fully welded sealed steel tank completely isolates internal windings, iron core and insulating oil from external air, rainwater and dust. This hermetic sealing design prevents insulating oil oxidation, moisture absorption and aging deterioration, avoiding frequent oil replacement and internal maintenance work required by semi-sealed transformers. The anti-leakage structural process eliminates common oil leakage faults of outdoor transformers, realizing long-term maintenance-free operation and greatly reducing daily operational management pressure for power utility departments.
2.4 Multi-Dimensional Safety Protection System
This utility pole distribution transformer adopts standard CSP integrated protection configuration, built with primary high-voltage fuse, secondary overload breaker and lightning arrester. It can automatically cut off the circuit in case of overload, short-circuit fault and lightning surge impact, effectively protecting internal equipment safety and avoiding grid fault expansion. The high-strength insulating sleeve and waterproof terminal structure also improve outdoor electrical safety, preventing creepage and short-circuit accidents caused by humid weather and dust accumulation.
2.5 Superior Outdoor Weather Resistance and Durability
The transformer shell undergoes multi-layer anti-corrosion, rust-proof and ultraviolet electrostatic spraying treatment, adapting to harsh outdoor working environments such as high temperature, low temperature, strong wind and rain erosion. It can operate stably in wide temperature ranges and resist outdoor aging and structural deformation. With high-temperature resistant insulating materials and stable internal structure, the service life of this single-phase pole mounted transformer can reach more than 30 years under normal grid operating conditions.
3. Core Usage
As core terminal power transformation equipment for single-phase overhead distribution networks, Single Phase Distribution 50kVA 100kVA Pole Mounted Transformer is mainly used for stepping down medium-voltage overhead line power to standard single-phase low-voltage electricity for civil and agricultural loads. It undertakes terminal voltage conversion, power quality stabilization and decentralized power distribution tasks in rural and suburban power grids.
In actual power grid operation, this oil immersed pole mounted transformer effectively shortens the low-voltage power supply radius, significantly reduces overhead line transmission loss and solves the problem of terminal voltage drop in long-distance power supply. It balances scattered single-phase power load distribution, restrains daily voltage fluctuation caused by residential peak power consumption, and ensures stable and qualified power supply for terminal single-phase electrical equipment. The two capacity specifications of 50kVA and 100kVA can flexibly match different resident cluster scales and load demands, realizing refined and efficient power distribution for decentralized power supply points.
4. Application Scenarios
Relying on flexible installation, low operation cost and strong outdoor adaptability, this single-phase pole mounted distribution transformer is widely used in rural electrification, suburban power grid renovation, agricultural power supply and remote scattered power distribution scenarios, covering most single-phase low-load overhead power supply demands.
4.1 Rural Electrification and Village Power Supply
This is the most typical application scenario for 50kVA and 100kVA single-phase pole mounted transformers. It is widely deployed in scattered rural villages, mountainous residential areas and pastoral areas with sparse population. The pole-mounted installation mode adapts to rural overhead line layout, solving the power supply difficulty of scattered rural households, and meeting daily power consumption of residential lighting, household appliances and water pump equipment.
4.2 Suburban and Remote Residential Community Power Distribution
Suitable for power grid supporting of suburban scattered residential communities, remote villa areas and fringe urban residential clusters. These areas have low centralized power load and wide distribution. The 50kVA pole mounted transformer matches small household cluster load, while the 100kVA specification serves medium-scale residential groups, effectively improving terminal power supply quality and avoiding voltage instability in suburban old power grids.
4.3 Agricultural and Pastoral Production Power Supply
Widely used for power supporting of farmland irrigation equipment, pastoral breeding bases, agricultural greenhouses and rural small processing machinery. Agricultural production features seasonal load fluctuation and scattered power consumption points. The outdoor weather-resistant single-phase distribution transformer can adapt to field open-air operation, providing stable single-phase power guarantee for agricultural production and rural sideline projects.
4.4 Municipal Monitoring and Outdoor Public Facilities
Applied to power supply of remote road monitoring equipment, rural street lighting systems, scenic area public facilities and field environmental monitoring stations. These public facilities have low and stable single-phase power demand, and the maintenance-free design of pole mounted transformers adapts to long-term unattended outdoor operation, reducing daily maintenance workload of municipal public power equipment.
4.5 Temporary and Remote Engineering Power Supply
Commonly used for temporary power distribution of remote field exploration, rural infrastructure construction and outdoor small-scale engineering projects. With convenient installation and strong mobility, the 50kVA and 100kVA overhead transformers can be quickly put into use, providing reliable single-phase power support for temporary engineering equipment and on-site living facilities.
5. FAQ
5.1 How to choose between 50kVA and 100kVA single phase pole mounted transformers?
Both models adopt the same pole-mounted oil immersed structure, safety protection configuration and outdoor weather resistance standards, with consistent product quality and service life. The 50kVA single phase distribution transformer is suitable for ultra-scattered single village power supply, single small farm load and low-demand public monitoring equipment, with higher cost performance and no idle waste. The 100kVA pole mounted transformer has larger load margin, suitable for concentrated rural residential clusters, multi-household centralized power supply and agricultural parks with seasonal peak load growth. Users can select specifications according to actual user quantity, daily average load and seasonal power fluctuation amplitude.
5.2 What are the core advantages of single-phase pole mounted transformers compared with ground-mounted transformers?
Different from traditional ground-mounted distribution transformers that require foundation construction and occupy land resources, single phase pole mounted transformers are directly installed on utility poles, saving land occupation and civil engineering costs. The overhead layout is more suitable for rural and suburban overhead line power grid structures, with shorter power supply radius and lower line loss. In addition, pole-mounted equipment features simple installation, flexible deployment and convenient later maintenance, which can quickly respond to regional power grid renovation and scattered power supply demands. It is more economical and practical for single-phase low-load scenarios than large ground-mounted three-phase transformers.
5.3 What daily maintenance does an outdoor single-phase pole mounted transformer need?
This sealed oil immersed pole mounted distribution transformer belongs to low-maintenance outdoor power equipment. Daily routine work only includes regular visual inspection to check for oil tank leakage, shell corrosion and loose wiring terminals, and confirmation of no abnormal operating noise or overheating. Since the fully sealed structure isolates internal insulating oil from the outside environment, oil deterioration and moisture are effectively avoided, and annual oil replacement is not required. It is only necessary to clean surface dust and sundries regularly to ensure good heat dissipation. Professional oil quality testing and protection device inspection can be carried out every 6–8 years, which greatly reduces long-term operational costs for power utilities.
