250KVA 315KVA Combination Transformer 6/10/35KV American Style Box Type
Capacity: 100-1600KVA
Delivery Year: 2020
Country/Region: South Korea
Application Scenario: High-voltage power distribution system expansion for a steel plant
Advantages: Utilizes low-loss silicon steel sheet technology with no-load loss of only 0.01%, combined with fully sealed corrosion-resistant design, perfectly adapting to humid and high-salt fog environments while ensuring stable and energy-efficient operation under continuous high load for the steel plant's power supply.
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Combination Transformer Products Description
A U.S.-style combination transformer designed for high-reliability power transmission. It integrates a transformer with switchgear, using fully sealed oil-immersed technology and is suitable for high-load scenarios.
Flexible Capacity: The Combination Transformer offers diverse specifications ranging from 100KVA to 1600KVA, meeting various power needs.
Voltage Levels: Supports multiple voltage combinations of 6/10/35KV, adaptable to various distribution systems.
American Style Design: This transformer features a compact box-type structure, optimized heat dissipation, reduced noise, and easy installation.
Core Advantages:
✓ High-precision measurement (0.2 grade) ensures accurate power metering;
✓ Low-loss silicon steel sheet technology reduces no-load loss to as low as 0.01%, achieving energy-saving efficiency;
✓ Fully sealed oil tank with multi-layer insulation protection, resistant to salt spray and corrosion, ensuring long service life;
✓ Rapid response to short-circuit currents (5P/10P protection level), safeguarding grid safety.
Products parameter
|
Serial Number No. |
Name |
Unit |
Technical Parameters |
|
1 |
Rated Capacity |
kVA |
100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600 |
|
2 |
Rated voltage |
kV |
6, 10, 35 |
|
3 |
High voltage tap range |
±5%, ±2x2.5% |
|
|
4 |
Connection group |
Dyn11 Yyn0 |
|
|
5 |
Operating withstand voltage |
kV |
25kV/min, 35kV/min, 85kV/min |
|
6 |
Lightning impulse voltage truncation wave (peak) |
kV |
65kV, 85kV |
|
7 |
Back-up fuse |
A |
Manufacturers determine by capacity |
|
8 |
Insertion fuse |
A |
Manufacturers determine by capacity |
|
9 |
Load switch rated current |
A |
300, 630 |
|
10 |
Oil top layer temperature rise |
K |
<65 |
|
11 |
Noise level |
dB |
≤52 |
Product Display
Combination Transformer Environmental Conditions
Temperature Range: Stable operation from -30°C to +40°C with 95% relative humidity (suitable for humid and hot regions such as Southeast Asia).
Protection Rating: IP54, dustproof and waterproof. The Combination Transformer can withstand harsh environments (such as salt spray and dust).
Altitude Adaptability: Suitable for areas at or below an altitude of 2000 meters (customization required for high-altitude environments).
Seismic Resistance: Meets industrial seismic resistance standards, ensuring device stability under extreme conditions.
A U.S.-style combination transformer Application Fields
Power Systems
Suitable for urban grids, substation expansions, and end-of-line power distribution.
Industrial Sector
Steel plants, chemical plants, metallurgical enterprises, and other high-load industrial sites.
Commercial Buildings
Ideal for large shopping malls, data centers, hospitals, and other places requiring high power supply stability.
Infrastructure
Airports, subways, ports, and other large public facilities.
Scope of Supply
We can also provide the following transformer products:
30-2500KVA/10KV Laminated core distribution transformer
30-2500KVA Power transformer
30-2500KVA Power transformer(Three-phase oil-immersed power transformer)
30-2500KVA/10KV Oil-immersed three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA/10KV Epoxy resin cast dry-type transformer
30-2500KVA/10KV Three-phase resin cast insulated dry type power transformer
30-2500KVA Epoxy resin cast dry-type transformer
30-2500KVA/10KV Epoxy resin cast dry-type transformer
30-2500KVA Dry-type three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA/10KV Dry-type three-phase double-winding non-excited voltage regulating distribution transformer
30-2500KVA Amorphous alloy dry-type transformer
30-3200KVA Rectifier transformer
6300-42200KVA Three-phase oil-immersed power transformer
800-31500KVA/35KV Oil-immersed power transformer
100-1600KVA Combined transformer
380V Communication Low Voltage Distribution Cabinet
Single-Phase Overhead Type Pole Mounted Mild Steel Distribution Power Transformers
75kVA to 5000kVA Pad Mounted Transformers
Pre-assembled substation (European style) ,etc.
Execution Standards
International Standards: IEC 60076, IEEE C57.12, ANSI C57.12 (U.S. design standards).
National Standards: GB/T 6451 "Technical Parameters and Requirements for Oil-Immersed Power Transformers," GB/T 10228 "Technical Parameters for Dry-Type Power Transformers."
Safety Certifications: CE, UL certified (optional), ensuring compliance and safety.
SGS certification certificate
about 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.
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