Lightweight Compact Power Transformer Space Saving Easy Installation
Kechang's lightweight compact dry-type transformers are designed to overcome space and installation challenges in urban power distribution and renewable energy integration. Through advanced materials and structural optimization, we significantly reduce transformer size and weight without compromising performance or reliability, saving you valuable installation time, lowering overall costs, and offering unparalleled layout flexibility.
Products Description
Reduced Installation Cost & Time
Up to 30% lighter than conventional transformers, drastically reducing the need for heavy lifting equipment. This means simpler handling, faster installation, and significant savings on labor and rental costs.
Superior Space Utilization
The compact design allows for easy installation in tight spaces like standard distribution cabinets, equipment mezzanines, and prefabricated substations where traditional transformers cannot fit, freeing up valuable commercial space for you.
Wide & Flexible Application Range
Its lightweight nature makes it ideal for rooftop power plants, high-rise building floor distribution, renovation projects, and mobile power units, often without the need for major structural reinforcements.
High Efficiency Uncompromised
Despite its small size, we insist on using high-grade silicon steel and pure copper windings, ensuring no-load and load losses are lower than industry standards, helping you reduce long-term electricity costs.
Product Specification
| Model number | SCB18-50-Nx 1 |
| Rated volume quantity(KVA) | 50 |
| High voltage(KV) | 6/6.3/10/10.5 |
| High voltage tap range(KV) | +3/-1/±5%/±2×2.5% or ×2.5% |
| Low voltage(KV) | 0.4 |
| Connection group label | Dyn11or Yyn0 |
| No-load loss(W) | 155 |
| Load loss(W) | 900 |
| No-load electricity(%) | 2.0 |
| Short circuit resistance(%) |
4 |
Typical Applications
|
Urban Distribution Networks: Perfect for compact substations in space-tight cities.
Commercial Buildings & Rooftop Power: Can be installed on rooftops or upper floors, reducing low-voltage cable length and improving efficiency.
Renewable Energy: Easily integrated into containerized solutions for solar and wind projects.
Industrial Retrofits: Quickly replace old, large transformers in existing plants to free up production space.
Transportation Infrastructure: Suitable for tunnels, subway stations, and other scenarios sensitive to equipment weight and size. |
How Do We Achieve The Lightweight & Compact Design?
Advanced Magnetic Circuit Design:
The use of high-performance silicon steel and an optimized core design reduces material usage and volume while maintaining magnetic flux.
Efficient Winding Design：
Precise computer modeling optimizes the winding structure. The use of high-conductivity copper allows for smaller coils while meeting load requirements.
Structural Optimization：
The transformer tank and internal supports are optimized using Finite Element Analysis (FEA) to ensure mechanical strength while eliminating redundant material, reducing overall weight.
Company production enviroment
Our factory & quipment
Our transformer production combines automation equipment with the exquisite craftsmanship of experienced technicians, from winding, assembly to insulation treatment, each process is strictly controlled by an experienced technical team.The workshop environment has constant temperature and humidity, in line with ISO 9001 international quality management standards, to ensure that the product performance is stable, safe and durable. Transparent and visualized production processes. We are committed to using technology to improve efficiency and provide customers with zero-defect industrial power solutions.
Products Export
Foreign exhibition
International Exhibition Validates Strength
As a reputable enterprise in China's power equipment manufacturing sector, Kechang Electric showcased its core product portfolio and technical solutions at the 2024 Tashkent International Energy Exhibition in Uzbekistan, reinforcing our presence in Central Asian markets.
Exhibition Highlights
• Professional Recognition: Engaged in technical exchanges with over 80 professionals from Central Asian power utilities and industrial clients
• Scenario Verification: Demonstrated product adaptability in extreme temperature conditions through live equipment presentations
• Service Commitment: Established technical communication channels with local partners during the event
Client Testimonial
"Kechang Electric's climate-specific protection designs and service framework impressed us during in-depth discussions at the exhibition."
- Procurement Manager, Industrial Zone, Uzbekistan
Our Advantages
✓ Global Expertise: Products deployed across 6 Central Asian countries, serving 50+ projects
✓ Rapid Support: Bilingual technical assistance (English/Russian) with solutions delivered within 48 hours
✓ Quality Assurance: All equipment undergoes rigorous cyclic testing at -30℃ to 50℃
International Clients Inspecting Our Facilities
Uzbekistan customers visit the factory of transformer
Nepalese Clients Participate in Power Control Equipment Testing
Pakistani Clients Tour Our Product Showroom
How we started
2006-2010
2006-2010 Foundation Period | Embracing International Standards
Strategic Positioning: Strategic manufacturing partner for Fortune 500 power industry giants
Key Milestones:
✔️ Delivered 1,200+ sets of complete power equipment as OEM supplier for listed companies
✔️ Established 217 process standards aligned with client specifications
✔️ Achieved ISO 9001 certification with 0.12% defect rate (industry avg: 0.35%)
2010-2012
2010-2012 Transformation Era | Pioneering Independent Branding
Strategic Shift: Transition from OEM manufacturing to branded operations
Key Achievements:
✔️ Obtained National Industrial Product License
✔️ First-year branded product sales: ￥38M with 43% repeat order rate
✔️ Industry-first lifecycle tracking system enabling 30-year data traceability
Technical Milestones:
► S11-M oil-immersed transformer certified Class 1 energy efficiency (GB 24790)
► Sheet metal precision improved from ±2mm to ±0.8mm
2012-2018
2012-2018 Expansion Era | Building Industry Ecosystems
Strategic Focus:
Capacity Expansion × Technical Depth × Global Integration
|
Dimension |
Achievements |
|
Capacity |
Built 43,000 sq.m digital factory (170% capacity increase) |
|
Technology |
7 invention patents + 12 utility model patents (2 national standards drafted) |
|
Partnership |
Key supplier to ABB/Schneider APAC (service network: 29 provinces) |
2018-Present
2018-Present | Innovating an Era: Interpreting China's Smart Manufacturing
Industry 4.0 Smart Factory:Achieved 92% automation in key processes.
Hi-B Steel Adoption: Fully integrated high-permeability grain-oriented silicon steel.
Global Certification & Reach: KEMA-certified products entering 18 markets across the EU, Southeast Asia, and beyond.
FAQ
Q:How does this 50kVA transformer achieve rapid installation in confined spaces or mobile scenarios?
A: The transformer employs a modular assembly design, weighing only 220kg with a compact 0.2m³ volume (700×400×700mm), enabling manual handling or standard forklift transport. Equipped with a quick-install terminal panel (tools required: standard wrenches), on-site deployment is completed in <1.5 hours. Certified to IEC 60068-2-27 shock/vibration resistance (0.8m drop height, 5-200Hz vibration), it has been successfully deployed in urban underground utility tunnel emergency power projects, adapting to complex spaces like tunnels and basements.
Q:What protection does the transformer offer in highly corrosive environments like chemical plants?
A: Featuring IP65 protection (resistant to high-pressure water jets and PM10 dust ingress), the surface utilizes a nanostructured oleophobic-hydrophobic coating (85% reduction in oil contamination) and passes 1,000-hour mixed gas corrosion testing (NH₃+SO₂ per ISO 9227). Standard rodent-resistant conduits (UL 2556-certified) ensure durability. Field-tested at a chemical plant in Jiangsu, insulation resistance remained >5,000MΩ after 3 years of operation with zero corrosion.
Q: Can it accommodate unstable power inputs from small-scale renewable microgrids?
A: Designed to handle 20%-500% voltage fluctuations (vs. ±10% per GB/T 15543), it integrates a bidirectional harmonic damper that reduces THD from 15% to 3%. Certified to IEEE 1547.1 microgrid standards, it achieves seamless PV-energy storage switching (<20ms transition) with <1.5% voltage deviation, as demonstrated in a wind-solar hybrid microgrid project in Xinjiang.
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