CEEG Mining High-Voltage Vacuum Switchgear
Low-voltage mining distribution equipment is designed for underground low-voltage power supply systems. It features explosion-proof, dustproof, and moisture-resistant construction with comprehensive protection logic, ensuring safe operation of power and lighting loads under complex working conditions.
Scope of application
Mining face (coal extraction area)
Low-voltage power and lighting supply, focusing on explosion-proof design and protection against moisture and dust.
Hoisting & transportation systems
Power supply for lifting and conveying equipment, emphasizing protection logic and operational reliability.
Underground auxiliary systems
Power supply for lighting and auxiliary equipment, focusing on stable operation and ease of maintenance.
Product Description
1 Design features: Specifically designed for underground coal mines and other flammable and explosive environments, adopting an explosion-proof enclosure to ensure safe operation.
2 Core components: Equipped with high-performance vacuum circuit breakers, providing strong breaking capacity and high reliability.
3 Protection functions: Offers multiple protections including short-circuit, overload, undervoltage, leakage, and phase-loss protection, enhancing equipment safety.
4 Operational advantages: Stable operation with compact structure and simple operation, suitable for complex working conditions.
5 Application scope: Suitable for underground coal mine AC 50 Hz high-voltage power supply and distribution systems with rated voltage of 3.3 kV to 10 kV.
Product Features
High-performance circuit breaker
Equipped with a high-performance vacuum circuit breaker, featuring excellent breaking capacity and high reliability.
Multiple protection functions
Provides short-circuit, overload, undervoltage, leakage, and phase-loss protection, ensuring safe equipment operation.
Modular design
Modular structure enables easy installation, disassembly, and maintenance, reducing maintenance costs.
Stable operation
Compact structure with stable performance, suitable for long-term operation in harsh environments.
Strong adaptability
Suitable for underground mining power distribution systems with AC 50 Hz and rated voltage of 3.3 kV to 10 kV.
Maintenance-friendly design
Clear circuit layout with reserved maintenance space, enabling fast troubleshooting and component replacement to minimize downtime.
Main Parameters
Rated Voltage 3.3kV、6kV、10kV
Rated Frequency 50Hz
Rated Current 200A~1250A
Rated Short-Time Withstand Current 20kA~40kA(1s)
Rated Peak Withstand Current 50kA~100kA
Implementation Standard
GB/T 11022 General Technical Requirements for High-Voltage Switchgear and Controlgear
GB 1984 High-Voltage AC Circuit Breaker
MT 209 Technical Conditions for Explosion-Protected Electrical Equipment for Coal Mines
MT 761 Technical Conditions for Flameproof Electrical Control Equipment for Coal Mines
IEC 62271 series High-Voltage Switchgear and Controlgear
IEC 60947 series Low-Voltage Switchgear and Controlgear
Technical Advantages
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
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
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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