摘要：
The YBBP series explosion-proof three-phase asynchronous motor is specially designed for underground coal mine applications. Featuring a flameproof structure, reliable insulation system, and stable performance, it ensures safe and efficient operation in harsh and hazardous mining environments.
YBBP系列煤矿井下用防爆型三相异步电动机专业解读
YBBP Series Explosion-Proof Three-Phase محرك غير متزامن for Underground Coal Mines – Professional Overview
إن YBBP series explosion-proof three-phase asynchronous motor is specifically designed for underground coal mining operations, combining outstanding explosion-proof safety with wide-range variable-speed capability, making it an indispensable power device for hazardous underground environments.
1. Product Overview and Technical Features
1.1 Product Positioning and Applications
- The YBBP series is a specialized variable-frequency speed-controlled motor for the harsh conditions of underground coal mines.
- Explosion-proof rating: Ex d I Mb, suitable for underground areas containing methane or coal dust (non-mining faces), as well as industrial facilities with II A, B T1–T4 explosive gas or vapor atmospheres.
- When used with frequency converters, the motor provides smooth stepless speed regulation, superior dynamic response, precise speed control, low-frequency torque stability, slip compensation, high power factor, and high efficiency.
1.2 Core Technical Features
- Advanced Explosion-Proof Design: Flameproof housing prevents internal explosion propagation to the external environment.
- Wide Variable-Speed Range:
- 5–50Hz: constant torque control
- 50–100Hz: constant power control
- Some models: 3–60Hz (2-pole) or 3–100Hz (4-pole and above)
- Special Insulation System:
- F-class insulation with high-frequency pulse voltage resistance
- Bearings temperature ≤95°C at minimum airflow
- Housing surface temperature ≤150°C
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Power Range | 0.55kW–315kW (some models 0.18kW–315kW) |
| الفولتية المقدرة | 380V, 660V, 1140V, 380/660V, 660/1140V |
| التردد المقدر | 50 هرتز |
| Protection | IP55 (some models IP54) |
| Insulation | F-class |
| Cooling | IC416 (forced ventilation) |
| Duty | S1 (continuous) |
| Explosion-Proof Mark | Ex d I Mb |
| Mounting | IMB3, IMB5, IMB35 |
Performance Highlights:
- High efficiency, especially when paired with variable-frequency drives
- Independent cooling fan ensures effective heat dissipation even at low speeds
- Low vibration and noise, stable operation
3. Structure and Configuration
3.1 Motor Body
- Explosion-proof enclosure meets standard requirements, withstands internal explosion pressure without damage
- IC416 forced ventilation cooling system with independent fan for low-speed operation
- Terminal box designed for explosion-proof wiring with multiple cable entry options
3.2 Internal Components
- Stator: F-class insulation, resistant to high-frequency pulse voltages, long lifespan
- Rotor: Precision-engineered, dynamically balanced for smooth performance across full speed range
4. Applications and Use Cases
Underground Coal Mine Equipment:
- Fixed underground equipment (non-mining faces): pumps, fans, and other auxiliary machinery
- Mine transport machinery: conveyors, hoists, providing reliable explosion-proof power and speed control
Operating Environment:
- Ambient temperature: -15°C to +40°C (max 35°C in mines)
- Altitude: ≤1000m
- Maximum relative humidity: ≤95% at 25°C
5. Advantages and Value
1. Safety and Reliability:
- Advanced explosion-proof structure ensures safe operation in hazardous atmospheres
- High-الجودة materials and precision manufacturing guarantee long-term stable performance
- Independent forced-ventilation cooling ensures efficient heat dissipation at low speed
2. Operational Efficiency:
- Variable-speed operation reduces energy consumption and lowers operating costs
- Wide speed range allows machinery to operate at optimal points, improving production efficiency
- Low total lifecycle cost due to energy savings and minimal maintenance
3. Maintenance Convenience:
- Easy-to-maintain structure for inspection and repairs
- Modular components reduce spare part inventory
- Long-life F-class insulation, extended maintenance intervals
6. Installation and Usage Guidelines
Environmental Requirements:
- Designed for underground coal mine environments with methane or coal dust
- Altitude ≤1000m
- Adequate space for ventilation and maintenance
Installation & Commissioning:
- Proper electrical connections according to nameplate and wiring diagram, ensuring grounding
- Ensure independent cooling fan operates correctly and airflow is unobstructed
- Match motor with suitable frequency converter and configure according to motor speed characteristics
7. Service and Technical Support
- Professional technical support: Product selection, installation, and commissioning guidance
- Rapid response: Timely assistance in case of operational issues
- Ongoing support: Long-term technical services and maintenance guarantee
Summary:
إن YBBP series explosion-proof three-phase asynchronous motor for underground coal mines يسلم exceptional explosion-proof safety, flexible variable-speed performance, and reliable operation, making it the ideal solution for hazardous underground industrial power applications. Through continuous الابتكار and strict quality control, each YBBP motor provides safe, stable, and efficient power in challenging mining environments.
Choosing YBBP ensures reliable safety, high efficiency, and comprehensive technical support, helping promote safe production and energy-saving improvements in the coal mining industry.
أمن شبكة شنشي العامة لأمن شبكة شنشي العامة رقم 41032502000206
