50 KVA Single Phase Overhead Pole Mounted Transformer

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 50 kva single phase overhead pole mounted transformer in China. If you're going to buy customized 50 kva single phase overhead pole mounted transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

Primary Voltage Ratings :34.5-19.92/13.8-7.957/13.2-7.62/12.47-7.2 or others

Secondary Voltage Ratings :120-240/240-480/347/600V or othersH.V.TAP RANGE : ±2x2.5% or others

TYPE : Conventional type / CSP typeThis is an cleetrical device that receives single-phase AC power aswell as outputs single phase AC.

Single-phase pole-mounted transformers are smaller due to varying power distribution needs and load characteristics compared to three-phase transformers. Size is influenced by capacity and losses, with higher-capacity transformers requiring larger dimensions to accommodate components and cooling mechanisms. Minimizing losses for efficient power transmission affects the physical size. Ultimately, transformer size is determined by phase configuration, power capacity, efficiency requirements, and associated losses. These factors shape the optimal design to ensure reliable power distribution.

Single-phase pole-mounted transformers vary in size based on power capacity, typically ranging from 10 kVA to 333 kVA. The physical dimensions are influenced by factors like insulation type, cooling method, and specific design requirements.

Standard Feature

• Lifting lugs
• Arrester mounting pads
• Cover-mounted high votage porcelain
• Bushing(s) with eyebolt terminal
• Low voltage bushings wtih eyebolt terminals
• Low voltage enutral grounding strap(not shown)(10-50kVA class B-2 and B-3 only)
• ANSI support lugs(hanger brackets) with laser inscribed nameplate on lower bracket
• Polyester insulated cover
• Self-venting and resealing cover assembly
• Centerline core/coil assembly support brackets
• Low voltage leads
• Oil fill plug with cover ground strap
• Tank ground pad
• The fllowing additional features are all standard on self protected type CSP units only
• Primary protective link (mounted in high voltage bushing)
• Surge arrester
• Secondary circuit breaker
• Secondary breaker operating handle with emergency overload reset and overload signal light

Single-phase transformers have great advantages as distribution transformers. The characte ristics of the transformer are that it adopts the hanging installation method on the column, the volume is small,the capital construction investment is small, and the reduction of the low-voltage power supply radius can reduce the loss of the low-voltage line by more than 60%. The transformer adopts a fully sealed structure, with strong overload capacity and high reliability in continuous operation. Simple maintenance and long service life.

1. Magnetic circuit design
The iron core's shape, size, hysteresis, and eddy current loss are important factors to consider. Properly designing the magnetic circuit can lead to efficient energy transmission and reduced loss.

2. Winding design
Factors such as the number of turns, wire material, interlayer insulation, and wiring method should be taken into consideration during the design process. By implementing a well-planned winding design, the transformer can achieve greater load capacity and reliability.

3. Insulation material selection
Choosing the right insulation materials is paramount to ensure safety and longevity. It's essential to opt for insulating materials that offer excellent insulation performance, high-temperature resistance, arc breakdown resistance, and moisture resistance.

4. Vacuum oil filling
Single-phase pole-mounted transformers typically utilize a vacuum oil filling method. This involves treating the transformer chips with a vacuum, injecting insulating oil, eliminating air bubbles, and sealing the transformers. The vacuum oiling process is beneficial as it enhances the insulation performance and thermal stability of the transformer, leading to prolonged service life.

5. Heat treatment
Transformers' mechanical properties and strength can be enhanced through heat treatment. This process alters the material's organizational structure, boosting its hardness and wear resistance while reducing stress and deformation.

1.GNEE 13.8 kV 50 kVA Pole Mounted Transformer For Guyana

50-13.8/0.12-0.24kV, a 50 kVA pole-mounted transformer,With a capacity of 50kVA, it operates at 13.8 kV on the primary side and provides 120/240V on the secondary side. The transformer features two high voltage bushings, three low voltage bushings, and two arresters for enhanced performance and safety.

These 57 units of 13.8kV 50kVA single-phase transformers were purchased by a utility customer in Guyana. GNEE Transformer assures top-notch quality and reliability in every unit. The transformers are designed to meet the unique requirements of the Guyanese power distribution network, ensuring efficient and consistent power supply. With a strong commitment to customer satisfaction, GNEE Transformer delivers superior products and excellent service to meet the utility's needs in Guyana.

2.GNEE 14.4 kV 50 kVA Single Phase Transformer For Mexico

The 50 kVA single-phase pole mounted transformer is conventional type. It was purchased by Mexico electric wholesale, a total of 21 units are stored in the warehouse as a local deposit.

The ‌50-14.4/0.12-0.24‌ is a ‌50 kVA single-phase pole-mounted transformer‌ with the following specifications:

‌High Voltage:‌ 24,940V / 14,400V (dual-voltage rating)

‌Low Voltage:‌ 120V / 240V

‌Bushing Configuration:‌ 1 HV bushing

‌Winding Material:‌ Aluminum windings

‌Standards Compliance:‌ CSA C2.1 & CSA 802.1 efficiency requirements

‌Frequency:‌ 60 Hz

‌Cooling System:‌ ONAN (Oil Natural Air Natural)

‌Insulation Class:‌ Class A

3.GNEE 16/27.6kV 50 kVA Single Phase Transformer For Canada

The 50-16-27.6kV/347(600Y)V is a unique 50 kVA single-phase pole-mounted transformer, custom-designed for special applications.This dual voltage 50kVA single-phase transformer's unique capabilities cater to specialized electrical needs in the region, ensuring reliable power supply and meeting the highest industry standards.

• Operating at high voltage levels of 16kV and 27.6kV, it provides a low voltage at 347(600Y)V.
• The transformer offers two high voltage options: 16,000V and 27,600V, making it versatile for various power distribution scenarios.
• It features a high-voltage bushing, two low-voltage bushings, and a Dual voltage switch for easy voltage selection.

4.GNEE 2.4kV 50 kVA Single Phase Transformer For Canadian transformer distributor

A Canadian transformer distributor procured 16 sets of these 50 kVA single-phase transformers from GNEE Transformer.

The 50-2.4kV/120(240)V is a 50 kVA pole-mounted transformer, single phase, featuring a 2.4 kV high voltage and 120V low voltage, specially customized for a Canadian customer. Each transformer is equipped with one high-voltage bushing and three low-voltage bushings, optimizing connectivity. 

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