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30-2500KVA Amorphous Alloy Dry-type Transformer

30-2500KVA Amorphous Alloy Dry-type Transformer

Product Introduction of Amorphous Alloy Dry-type Transformer The non-crystalline alloy dry-type transformer is a low-loss, high-efficiency electrical device with an iron core made of iron-based amorphous metal. Its key advantage lies in the fact that amorphous alloy materials, due to their lack...
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 30-2500kva amorphous alloy dry-type transformer in China. If you're going to buy customized 30-2500kva amorphous alloy dry-type transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

 

 

Product Introduction of Amorphous Alloy Dry-type Transformer


The non-crystalline alloy dry-type transformer is a low-loss, high-efficiency electrical device with an iron core made of iron-based amorphous metal. Its key advantage lies in the fact that amorphous alloy materials, due to their lack of long-range ordered structure, exhibit more efficient magnetization and demagnetization processes, reducing no-load losses by 70-80% compared to traditional silicon steel core transformers. This characteristic not only significantly reduces power generation requirements and carbon dioxide emissions (annual emission reduction can reach 20-30 million tons), but also meets the urgent needs of developing countries such as China and India in terms of energy efficiency and environmental protection. By adopting amorphous alloy transformers, it is estimated that annual electricity consumption can be reduced by 25-30 TWh, making this a key technology for upgrading green power grids.

 

 

 

Detailed photos

 

product-865-255

 

 

Non-Crystalline Alloy Transformer Design

 

product-471-468

The design focus of amorphous alloy transformers centers on controlling ultra-low no-load losses. To ensure stable performance, strict control must be maintained in three areas:

Flux Density Optimization: Since the saturation magnetic density of amorphous alloy transformers is relatively low (approximately 1.3~1.35T), excessive design should be avoided during planning to balance losses and efficiency.

Material Characteristic Adaptation: The single sheet thickness is only 0.03mm with a low stacking factor (82%~86%), requiring precise matching of Amorphous Metal Transformer physical parameters.

Structural Reliability: A fully sealed maintenance-free design reduces user maintenance costs while avoiding the use of the core as the main load-bearing structure to minimize mechanical stress risks.

 

 

 

Products parameter

 

10kV Dry Type Transformer
Rated capacity
(kVA)		 Voltage Combination
(kV)		 Connection
Symbol		 13Type Loss(W) 13Type Loss(W) 13Type Loss(W) No-load current
(%)		 Impedance
(%)		 Noumenon
Weight(kg		 Gauge
(mm)
HV LV No Load On Load No Load On Load No Load On Load
30 6

6.3

6.6

10

11

±5%

Or
±2
x2.5%		 0.4 Dyn11

or

YynO		 105 640 130 640 150 710 2 4











6		 245 400x300
50 155 900 185 900 215 1000 1.8 310 400x350
80 210 1240 250 1240 295 1380 1.6 410 400x315
100 230 1415 270 1415 320 1570 1.6 520 550x820
125 270 1665 320 1665 375 1850 1.2 670 550x820
160 310 1915 365 1915 430 2130 1.2 820 550x820
200 360 2275 420 2275 495 2530 1 880 550x820
250 415 2485 490 2485 575 2760 1 1010 660x820
315 510 3125 600 3125 705 3470 1 1160 660x820
400 570 3590 665 3590 785 3990 0.9 1340 660x820
500 670 4390 790 4390 930 4880 0.9 1470 660x820
630 775 5290 910 5290 1070 5880 0.8 1660 660x820
630 750 5365 885 5365 1040 5960 0.8 1710 660x820
800 875 6265 1035 6265 1215 6960 0.8 2070 820x820
1000 1020 7315 1205 7315 1415 8130 0.8 2600 820x820
1250 1205 8720 1420 8720 1670 9690 0.7 3190 820x1020
1600 1415 10555 1665 10555 1960 11730 0.6 3780 820x1020
2000 1760 13005 2075 13005 2440 14450 0.5 4520 1070x1070
2500 2080 15445 2450 15445 2880 17170 0.5 4930 1070x1070

 

35kV Dry Type Transformer
Rated capacity
(kVA)		 Voltage Combination(kV) Connection
Symbol		 13Type Loss(W No-load current
(%)		 mpedance
(%)
HV LV No Load On Load(120ºC)
30 35

38.5

±5%
or

±2

x2.5%		 0.4 Dyn11
or
YynO		 36C 1140 2.8 6
50 450 1425 2.6
80 540 1805 2.2
100 630 2090 2
125 700 2420 1.8
160 790 2810 1.8
200 880 3325 1.6
250 990 3800 1.6
315 1175 4510 1.4
400 1375 5415 1.4
500 1620 6650 1.4
630 1860 7695 1.2
800 2160 9120 1.2
1000 2430 10450 1
1250 2835 12730 1
1600 3240 15485 0.8
2000 3825 18240 0.7
2500 4455 21850 0.7

 

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Structural Features of Amorphous Metal Transformer

 

The structural design of these dry-type transformers must take into account the uniqueness of amorphous alloy materials:

Material Processing Adaptation: Due to the hardness, thinness, and uneven surface of amorphous alloys, annealing treatment is used to optimize magnetic properties, and shear volume is minimized to reduce losses.

Innovative Magnetic Circuit Layout: The Amorphous Alloy Transformer uses a four-frame parallel three-phase five-column core structure, with each phase winding placed in two independent magnetic circuits. Fundamental and third harmonic fluxes cancel each other out in terms of phase and amplitude, ensuring no harmonic components in the secondary side voltage (especially when the primary side is D-connected).

Sealing and Heat Dissipation: A fully sealed corrugated oil tank design balances moisture resistance and heat dissipation efficiency, further enhancing the long-term operational stability of the Amorphous Alloy Transformer.

product-448-444

 

 

 

 

Performance Characteristics of Amorphous Alloy Dry-type Transformer

 


Compared to traditional new S9 type silicon steel core transformers, the significant advantages of amorphous alloy transformers stem from their material characteristics:
• Magnetic Density Differences: The saturated magnetic density of the 30Z140 silicon steel sheets used in the new S9 type reaches 1.65~1.75T, whereas amorphous alloy materials are around 1.3T. However, due to lower hysteresis loss, overall no-load loss decreases dramatically.
• Low Harmonic Interference: The unique four-frame core design of this dry-type transformer cancels out harmonic flux vectors, effectively suppressing third harmonic voltages and improving power quality.
• Full Lifecycle Benefits: The fully sealed structure and low maintenance demands reduce long-term operating costs, making Amorphous Metal Transformers particularly suitable for high-load, long-cycle operation in distribution scenarios.

 

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Why choose us?

 

product-422-522

GNEE

GNEE strictly follows the comprehensive acceptance testing process to ensure that the performance of each device meets the standards. Our products and services have been successfully applied in more than 50 countries and regions around the world. As a trusted global industrial partner, we are always committed to helping customers achieve their sustainable development vision through high-quality products and full-process services.

Support
• Pre-sales: Free technical consulting, drawing review, and installation training.
• After-sales:
o Global warranty for 2 years; 5-year warranty on core components.
o 7×24-hour remote support, fault response within <24 hours.
o Operation manual provided.

 

SGS certification certificate

 

product-1200-800
 

Our factory

 

product-1035-322

 

FAQ

Q: What Are the Core Competitive Advantages of Your Company?

A: Experience and Scale: Since its establishment in 2008, our company has been focusing on the transformer field for 18 years. We have delivered over 50,000 units of equipment and served more than 2,000 customers globally.
R&D and Production: A team of 200 professionals with a 20,000㎡ modern production base covering three major locations in China: Shijiazhuang, Xingtai, and Anyang. This ensures full autonomy from raw materials to finished products.
Customization Capability: Supports the design of transformers ranging from 50kVA to 5000kVA. Customized solutions can be provided for special scenarios such as high altitude or extreme temperatures.

Q: How Do You Ensure Delivery Time and Quality?

A: Supply Chain Assurance: Leveraging the industrial cluster advantages of three factories, we maintain sufficient raw material inventory, enabling faster order response compared to the industry average by 30%.
Quality Control System: From the precision of core stacking (±0.5mm) to 200 inspection items before product delivery, we ensure that each device complies with international standards such as CE and IEC.

Q: What Is the Delivery Cycle for Standard Products? Will Custom Products Affect Delivery Time?

A: Standard Products: The typical delivery cycle is 15-30 working days (starting from the signing of the contract and receipt of the advance payment).
Custom Products: Delivery cycles may extend depending on specific requirements, usually requiring 30-60 working days. If special materials, non-standard designs, or international transportation are involved, the specific time will be negotiated between both parties.

Q: Does Your Company's Transformers Meet International Standards?

A: Certifications: Passed certifications including IEC 60076 (International Standard), GB/T 6451 (Chinese National Standard), SGS, CE, UL, etc.
Special Certifications: Non-crystalline alloy transformers meet the IEC 61786 (high-efficiency transformer) standard; pre-assembled substations comply with the IEC 62271-200 (pre-assembled substation) requirement.

Q: How to Choose the Appropriate Type of Transformer?

A: Energy Efficiency Priority: Select amorphous alloy or epoxy resin dry-type transformers.
High Load Scenarios: Oil-immersed transformers are preferable.
Complex Distribution Needs: Contact engineers to customize pre-assembled substation solutions.

 

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