250 kVA Transformer Features
Our 250 kVA transformer is built with three phase. This 3 phase transformer with 250 kVA ratings offers flexible voltage customization. The high voltage side can be up to 38.5 kV. The common low voltage we can meet is around 400V.
As a professional distribution transformer supplier, Jinan Omek Electric Power Co., Ltd. (OMEK Power), offers different core choices – high grade silicon steel or amorphous alloy. We go with whatever you decide. Both cores can be crafted with our 3D core design technology. They can help to minimize losses and maximize energy savings.
250 kVA Transformer Specifications
250 kva 3 phase pole mounted transformer
Price $1,500 – $9,000
Rated capacity: 250kVA
Cooling method: ONAN (oil-immersed)
Winding material: copper or aluminium wound
High voltage: 10kV (customizable)
Tap range: ±2 × 2.5; ±5
Low voltage: 0.4kV
Connected group label: Dyn11, Yzn11, Yyn0
No-load loss: 110W
Load loss (75℃): 2590/2470W
No-load current (％): 0.6
Impedance voltage (%): 4
Sound level: 61dB
Dimension/size: 1470×940×920
Total weight: 1110 kgs
250 kva 3 phase dry type pad mounted transformer
Price: $2,000 – $15,000
Rated capacity: 250kVA
Cooling method: AN/AF (dry type)
Winding material: copper or aluminium wound
High voltage: 10kV (customizable)
Tap range: ±2 × 2.5; ±5
Low voltage: 0.4kV
Connected group label: Dyn11
No-load loss: 160W
Load loss (100℃): 2330W
No-load current (％): 0.4
Impedance voltage (%): 4
Sound level: 67dB
Dimension/size: 1170×1330×1165
Total weight: 900 kgs
250 kVA Distribution Transformer Similar Products
250 kva Energy Efficient Distribution Transformer
Energy Efficiency Grades Available
We truly understand our clients have different project budgets and energy efficiency requirements. So we provide multiple efficiency levels for the 250 kVA Transformer.:
– Level 1-Lowest no-load and load losses. This grade is ideal for long-term energy saving compliance.
– Level 2-Balanced performance and cost. The 250 kVA transformers are suitable for mainstream distribution projects.
– Level 3-Economical choice, commonly for general distribution needs. Such as our VPI transformer.
Low cost of OMEK 250 kVA transformer
The true value of the OMEK 250 kVA transformer is its low total cost. In addition to its competitive price, you would see more cost savings in its later energy consumption. That is due to our skilled craft in its energy efficiency improvement.
Test Items
Our 250 kVA transformers undergo a comprehensive series of electrical, mechanical, and insulation performance tests to ensure stable operation under real-world conditions.
Before delivering the products to your hands, our 250 kVA transformers will go through a complete series tests. From oil quality to loss measurement. Every unit is verified to meet strict quality standards. Our routine testing includes:
Why choose Us as Your Trusted Manufacturer
We own dedicated R&D centers, 50 more patented technologies, and an experienced engineering team.
We have modern workshops for vacuum drying, winding, and testing systems. We maintain rigorous quality control to guarantee each 250 kva transformer’s quality.
We commit that every 250 kVA transformer is tested through complete routine test. We make sure the products you receive meet all the standards you require.
250 kva Transformer Accessories
HV Bushings
LV Bushings
Off-circuit tap changer / On-load tap changer
Surge arrester
Radiators
Fans
Conservator tank & Main tank
Installation structural components
Drain valve / Air release valve
Earthing terminals
Nameplate
Sampling valve
Explosion-proof vent
FAQs
Have any questions? We’re here to help you out.
Generally, it can support 200–250 kW of active load. But in actual life, it depends on the overall power factor of your electrical system.
It depends on the secondary voltage. Typically, it
can deliver 300–360 amps.
The cable size depends on your installation conditions. While 361 A is the starting point, the actual cable size depends heavily on cable length and installation conditions. For safety and reliability, OMEK recommends always provide your installation details to a qualified electrical engineer for final selection.
The percentage impedance of a 250 kVA transformer indicates the voltage drop when the transformer is supplying full load current and is used to limit short-circuit currents. It can be found on the transformer nameplate. For a typical 250 kVA distribution transformer:
– The percentage impedance (Z%) usually ranges between 4% and 6%.
The 250 kva pole mounted transformer produced by OMEK Power is 4%.