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CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
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Home  >  Products  >  Mining Transformer  >  CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
The KBSG series mining flameproof dry-type transformer innovatively incorporates active cooling tube technology. Through optimized thermal design and a zoned high-efficiency cooling solution, it significantly improves heat dissipation performance, effectively slows the aging of insulating materials, and further enhances long-term operational stability and reliability of the product.
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CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
CEEG KBSG Series Mining Explosion-Proof Dry-Type Transformer - Flameproof Power Solution for Underground Mines
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Scope of application
Underground distribution rooms
Gas and coal dust environments, focusing on flameproof construction and heat dissipation.
Underground distribution rooms
Tunnel mining operations
Tunnel environments with explosive gas risks, emphasizing reliable operation.
Tunnel mining operations
Fluctuating loads
Frequent start-stop operations and load variations in underground applications, focusing on impact resistance.
Fluctuating loads
Product Description
Product Description
1 Stronger cooling: First-in-class multi-circuit active cooling structure with higher heat exchange efficiency, ensuring stable operation under long-term heavy load conditions.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
2 Maintenance-friendly design: Anti-dust, anti-heat accumulation, and anti-water ingress design with front-mounted tap changer, resulting in a more compact structure.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
3 Flexible mobility: Can be integrated with high-voltage switchgear and low-voltage protection enclosures to form an intrinsically safe explosion-proof loop, with an adjustable base for flexible installation and movement.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
4 NOMEX insulation system: High thermal resistance and anti-aging performance with stable insulation properties, ensuring safety and reliability.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
5 Strict design and manufacturing control: Optimized structural design with rigorous production and testing processes to ensure stable flameproof performance.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
6 Low loss, low partial discharge, and low noise: Higher operational efficiency and extended service life.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer
Product Features
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Innovative cooling system

  • Zoned Active Cooling: Adopts active cooling tubes and a zoned, high-efficiency cooling design.
  • Extreme Heat Survival: Enhances heat dissipation via internal/external heat exchange to ensure stable operation in high-temperature environments.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Extended service life

  • Advanced Thermal Control: Optimized cooling design effectively reduces internal temperature rise.
  • Extended Equipment Life: Slows insulation aging and extends service life while reducing maintenance frequency.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Improved safety

  • Anti-Accumulation Arc Design: Features an arc-shaped top corrugated plate to prevent coal dust buildup.
  • Enhanced Operational Safety: Reduces fire risks caused by high temperatures to ensure safer operation.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Convenient operation

  • Convenient Tap-Changing: Features a vertical tap-changing access handhole on the high-voltage side.
  • Enhanced Usability & Safety: Improves overall usability while significantly reducing safety risks during operation.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Compact and expandable design

  • Compact Frame Structure: Adopts a space-saving, frame-type base for easy installation and future expansion.
  • Adjustable Configuration: Supports adjustable wheelbase and center of gravity to seamlessly adapt to different working conditions.
CEEG KBSG Mining Explosion-Proof Dry-Type Transformer

Convenient maintenance

  • Smart Access Layout: Inspection doors and observation windows are strategically arranged for easy monitoring.
  • Efficient Maintenance: Saves time and labor during routine inspections and component replacements.
Main Parameters
Rated capacity 50–4000 kVA
Primary voltage 6000 ±5%; 10000 ±5%
No-load current 0.6–2.5%
Rated frequency 50 Hz
Maximum temperature rise ≤ 65°C
Insulation class Class F (155°C) or Class H (180°C)
Implementation Standard
Implementation Standard
GB 11022-2019 Common specifications for high-voltage switchgear and controlgear standards
GB 12023-2016 Safety regulations for flameproof electrical equipment for coal mines
IEC 60076 International standard for power transformers
GB/T 19212.1-2015 Flameproof electrical equipment for coal mines – Part 1: General requirements
GB/T 6451-2015 Dry-type power transformers
Technical Advantages
R&D Cloud Platform
R&D Cloud Platform
An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.
Simulation Analysis
Simulation Analysis
Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.
Smart Operation & Maintenance Platform
Smart Operation & Maintenance Platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.
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