Small Sturdy Silent Power Transformer For Space Constrained Applications
Kechang's compact silent dry-type transformer combines a small footprint, excellent mechanical robustness, and ultra-quiet operation. It eliminates the need for a dedicated transformer room and can be installed directly in distribution cabinets, equipment mezzanines, or near office areas, making it the ideal solution for modern building distribution and sensitive equipment power supply.
Key Product Advantages
Compact & Space-Saving
Featuring an optimized core and winding design, it achieves a minimized footprint without compromising performance. Easily fits into standard distribution cabinets, greatly improving space utilization.
Ultra-Quiet Operation
Advanced core clamping technology and step-lap jointing effectively suppress vibration caused by magnetostriction. Additionally, the enclosure and internal fillings absorb noise, ensuring operational noise levels below 55 dB, making it suitable for noise-sensitive office and commercial environments.
Sturdy & Reliable
The fully enclosed casing achieves an IP54 protection rating, effectively resisting dust and moisture. The winding, treated with Vacuum Pressure Impregnation (VPI), is mechanically robust, withstands shock during transportation and installation, and adapts to various harsh environments.
High Efficiency & Low Loss
The use of high-grade silicon steel and pure copper windings effectively reduces no-load and load losses, meeting or exceeding the efficiency requirements of IEC 60076-11, helping users lower long-term operating costs.
Product Specification
| Model number | SCB18-30-Nx 1 |
| Rated volume quantity(KVA) | 30 |
| 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) | 105 |
| Load loss(W) | 640 |
| No-load electricity(%) | 2.0 |
| Short circuit resistance(%) |
4 |
Typical Applications
Building Automation & Distribution: Perfectly integrated into floor distribution rooms and basements to power entire buildings.
Commercial Complexes & Shopping Malls: Quiet operation allows for installation near commercial areas to power shops and lighting.
Office Buildings & Data Centers: Provides clean power for office equipment and servers, with low noise that doesn't disrupt the work environment.
Hospitals & Healthcare Facilities: Low electromagnetic interference and silent operation meet the stringent requirements for power quality and environment in medical settings.
Renewable Energy Systems: Serves as a grid-tie transformer for solar or wind systems, with a sturdy structure suitable for outdoor installation.
Design & Manufacturing Quality
Core Silent Technology: We employ multi-stage buffering and sound insulation design. The enclosure is lined with sound-absorbing material, and vibration-damping pads are used between the core and base, achieving dual noise reduction at the source and along the transmission path.
Enhanced Mechanical Strength: The tank is made of high-quality anti-corrosion cold-rolled steel plate. The internal windings are solidified into a robust whole through the VPI process, ensuring excellent performance even after transportation and installation.
Comprehensive Quality Testing: Every transformer is strictly tested before shipment, including but not limited to Turns Ratio Test, Insulation Resistance Test, Power Frequency Withstand Voltage Test, and Sound Level Test, ensuring 100% product qualification.
Company production enviroment
Our factory & Equipment
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.
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