250kVA Oil Immersed Rectifier Transformer

250kVA Oil Immersed Rectifier Transformer

Product Name: Oil Immersed Rectifier Transformer
Capacity: 250kVA
Delivery Year: 2020
Country: India
Key Advantages:
Equipped with efficient oil cooling technology (oil cooled rectifiers), ensuring stable operation in high-temperature environments.
The compact design of the Oil Immersed Rectifier Transformer makes it ideal for industrial sites with limited space.
High-quality insulation materials and advanced manufacturing processes give the Oil Immersed Transformer excellent durability and low maintenance costs.
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 250kva oil immersed rectifier transformer in China. If you're going to buy customized 250kva oil immersed rectifier transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

 

 

Advantages of Rectifier Transformer Over Ordinary Transformers

 

250kVA Oil Immersed Rectifier Transformer

The Rectifier Transformer is a specially designed transformer for rectification applications and offers significant advantages over ordinary transformers:

Higher Efficiency: The Oil Immersed Rectifier Transformer uses oil cooling (oil cooled rectifiers) technology to effectively reduce temperature rise, improve efficiency, and minimize energy loss.

Stronger Load Capacity: Compared to ordinary transformers, the Rectifier Transformer can handle higher harmonic currents, adapting well to complex industrial load requirements.

Longer Service Life: The high-quality oil-immersed structure of the Oil Immersed Transformer enhances insulation performance, extending the service life of the equipment.

Lower Noise Levels: Special core design and oil cooling systems reduce operating noise, making it suitable for environments with strict noise requirements.

These features make the Oil Immersed Rectifier Transformer the preferred choice for industrial rectification applications.

 

 

 

Products parameter

 

Product Name: Zs series Installation: Indoor/Outdoor
Rated Capacity: 30~31500KVA Voltage: 6kv-35kv
Number of Phases: Single or Three Phases Frequency: 50Hz/60Hz
Cooling: ONAN/ONAF Coil: Copper/Aluminum Coil
Insulation level: Class F Core: Cold Rolled Grain Oriented Silicon Steel Sheet

 

Rated capacity (kVA) High voltage(KV) Voltage Combination Connective group label No-load loss(KW) Load loss
(KW)
No-load current(%) Short circuit impedance (%) Weight (KG)
High pressure tap range Low voltage(KV) Weight of oil Total weight
30 20/10
±5*2.5%
±2*2.5%
0.4 Dyn11 0.09 0.66 2.1 5.5 180 420
50 0.13 0.96 2.0 150 495
63 0.15 1.145 1.9 170 560
80 0.18 1.37 1.8 190 635
100 0.2 1.65 1.6 215 710
125 0.24 1.98 1.5 250 840
160 0.29 2.42 1.4 285 945
200 0.33 2.86 1.3 340 1125
250 0.4 3.35 1.2 390 1295
315 0.48 4.01 1.1 445 1475
400 0.57 4.73 1.0 515 1712
500 0.68 5.66 1.0 6.0 460 1995
630 0.81 6.82 0.9 565 2450
800 0.98 8.25 0.9 635 2765
1000 1.15 11.33 0.7 840 3650
1250 1.35 13.2 0.7 970 4220
1600 1.63 15.95 0.6 1105 4800
2000 1.95 19.14 0.6 1205 5240
2500 2.34 22.22 0.5 1300 5650

 

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Applications of Rectifier Transformer in the Power Field

 

 

 

The Rectifier Transformer is widely used in the power field, especially in scenarios where alternating current needs to be converted into direct current. Below are its main applications:

Industrial Production: In electrolysis and electroplating industrial processes, the Oil Immersed Rectifier Transformer provides stable DC power, ensuring the accuracy of production processes.

New Energy Sector: As a core component in wind power generation and photovoltaic power generation systems, the Oil Immersed Transformer, combined with oil cooling (oil cooled rectifiers) technology, improves energy conversion efficiency.

Rail Transit: In subway and light rail power supply systems, the Rectifier Transformer provides reliable DC power for trains, ensuring smooth operation of transportation systems.

Medical Equipment: In X-ray machines and MRI devices, the Oil Immersed Rectifier Transformer provides stable power support for high-precision medical instruments.

 

250kVA Oil Immersed Rectifier Transformer

 

 

 

 

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Why choose us?

 

GNEE Group:

Global Transformer Supply Chain Integration Expert (2008 - Present)

Founded in 2008, GNEE Group has undergone fifteen years of deep industry cultivation, successfully transforming from a regional trader to a global supply chain management expert. As a pioneer in the integration of the steel industry chain, the group has established a full-cycle value system that spans raw material procurement, production coordination, logistics optimization, and terminal services, setting an innovative operational benchmark in the global transformer distribution sector. In the era of Industry 4.0, GNEE Group is accelerating towards its goal of becoming a global integrator oftransformer industry value through digital restructuring and green supply chain construction.

 

125kVA Oil-Immersed Rectifier Transformer

SGS certification certificate

125kVA Oil-Immersed Rectifier Transformer

 

Our factory

125kVA Oil-Immersed Rectifier Transformer

 

FAQ
 

Q1: What application scenarios is the Oil Immersed Transformer suitable for?

A: It is suitable for high-voltage transmission and distribution, industrial production facilities, substations, and other environments that require high load capacity and excellent heat dissipation performance.
Technical Advantage: With 18 years of industry experience, we use a three-dimensional wound core technology to reduce no-load losses by 15% compared to traditional lamination processes, while achieving ±0.5mm precision stacking to ensure long-term stable operation.
User Case: In a large steel plant expansion project, our oil immersed transformer (5000kVA) ensured the stability of continuous power supply thanks to its high load tolerance and low loss characteristics.

Q2: What parameters should be considered when choosing a Dry-type Transformer?

A: Key parameters include rated capacity (50kVA-5000kVA), voltage level, and temperature rise limits.
Core Advantage: We use epoxy resin + fiberglass insulation materials, with a fire resistance rating reaching UL94 V-0 standard, making it ideal for high-safety environments such as shopping malls and hospitals.

Q3: How does an Amorphous Alloy Transformer reduce electricity costs in remote areas?

A: By using amorphous alloy tape cores, no-load losses are reduced by 50%-70% compared to traditional silicon steel transformers, making them particularly suitable for rural grids with fluctuating loads.

 

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