摘要:
O motor assíncrono trifásico de alta eficiência e à prova de explosão de alta tensão da série YB2 foi projetado para ambientes perigosos e explosivos. Com uma estrutura robusta à prova de chamas, alta eficiência e desempenho estável, ele é amplamente utilizado em minas de carvão, usinas petroquímicas e outros setores que exigem operação segura e confiável do motor.
YB2 Series High-Voltage Explosion-Proof High-Efficiency Three-Phase Motor assíncrono - Visão geral profissional
O YB2 series high-voltage explosion-proof high-efficiency motor assíncrono trifásico is a next-generation update to the YB series, specially designed for hazardous industrial environments such as petroleum, chemical, and coal industries. With excellent explosion-proof safety e high energy efficiency, it is the ideal motor for operation in explosive atmospheres.

1. Product Overview
The YB2 series is developed using advanced design concepts and manufacturing processes, featuring:
- Explosion-proof safety
- High efficiency and energy-saving
- Reliable operation
- Long service life
It strictly complies with:
- GB 3836.1-2000 “Electrical Equipment for Explosive Gas Atmospheres – Part 1: General Requirements”
- GB 3836.2-2000 “Electrical Equipment for Explosive Gas Atmospheres – Part 2: Flameproof ‘d’ Type”
Design Highlights:
- Conforms to IEC international standards e DIN42673 for frame sizes and mounting dimensions, facilitating export and compatibility with imported equipment.
- Fully enclosed, externally fan-cooled, squirrel-cage rotor design
- Recursos compact structure, high efficiency, high torque, excellent starting performance, low noise, and low vibration
2. Core Technical Features
1. Superior Explosion-Proof Performance:
- Explosion-proof certifications:
- ExdⅠ: Coal mine electrical equipment
- ExdⅡAT4 / ExdⅡBT4: Industrial factory equipment
- ExdⅡCT4: Locations with II A, B, or C explosive gas/air mixtures, T1–T4 temperature class
- Flameproof housing prevents internal explosions from propagating externally, ensuring safe operation in hazardous atmospheres
2. High Efficiency & Energy Saving:
- Optimized electromagnetic design and low-loss materials
- Maintains high efficiency across a wide load range
- Reduces operational costs and increases energy utilization efficiency
3. Robust Structure:
- Fully enclosed structure: IP55 protection, dust- and water-resistant
- F-class insulation system: Ensures stability under high temperature, rated at 80K temperature rise
- Optimized cooling: IC411 self-ventilated design for efficient heat dissipation
3. Technical Specifications
| Parâmetro | Especificação |
|---|---|
| Tamanho da estrutura | H63–H355 |
| Tensão nominal | 380V, 660V, 380/660V (custom up to 1140V) |
| Frequência nominal | 50Hz |
| Proteção | IP55 |
| Isolamento | Classe F |
| Resfriamento | IC411 (TEFC) |
| Dever | S1 (contínuo) |
| Montagem | IMB3, IMB5, IMB35 |
Performance Features:
- High efficiency reduces energy consumption
- Low vibration and noise for smooth, quiet operation
- Wide voltage adaptability for stable performance under various grid conditions
4. Structure & Configuration
Motor Body:
- Flameproof enclosure designed to withstand internal explosion pressure
- Frame with parallel cooling fins; terminal box located on top for easy wiring and maintenance
- Terminal box supports one- or two-voltage wiring schemes
Internal Components:
- Estator: F-class insulation, reliable and long-lasting
- Rotor: Precision-manufactured, dynamically balanced for smooth operation
Resfriamento:
- IC411 self-ventilated cooling ensures efficient heat removal under continuous load
5. Applications
Petroleum & Chemical Industry:
- Drives oilfield drilling and extraction equipment
- Chemical plant pumps and compressors in explosive environments
Indústria de carvão:
- Underground coal mine equipment for methane and coal dust environments
- Coal processing and preparation machinery, dust-resistant
Other Hazardous Environments:
- Industrial sites with explosive gas mixtures
- Special environmental variants: Outdoor (W), humid/tropical (TH), outdoor humid/tropical (WTH), etc.
6. Advantages & Value
Safety & Reliability:
- Strict compliance with explosion-proof standards
- Altoqualidade materials and precision manufacturing for long-term reliability
- H180+ frame motors equipped with oil injection/drain system for maintenance and extended service life
High Efficiency & Cost Savings:
- Reduces operational costs through high efficiency
- High power factor improves grid performance and reduces reactive power compensation
- Low total lifecycle cost despite slightly higher initial investment
Conveniência de manutenção:
- User-friendly design for easy inspection and maintenance
- Os componentes modulares reduzem o estoque de peças de reposição
- F-class insulation ensures long service life and extended maintenance intervals
7. Installation & Usage Guidelines
Requisitos ambientais:
- Ambient temperature: -15°C to 35°C (coal mine) or 40°C (industrial)
- Altitude ≤1000m
- Max relative humidity: ≤95% (25°C) for mines; ≤90% monthly average for factories
Instalação e comissionamento:
- Solid, level foundation to support motor weight and stress
- Precise alignment with driven machinery using couplings
- Electrical connections per nameplate and wiring diagram; ensure proper grounding
8. Service & Technical Support
Garantia de qualidade:
- Complies with GB3836 series and other relevant standards
- Strict testing during manufacturing to ensure compliance and reliability
Serviço pós-venda:
- Professional selection and installation guidance
- Rapid response to issues during operation
- Long-term technical support and service guarantee
Resumo:
O YB2 high-voltage explosion-proof high-efficiency three-phase asynchronous motor combines excellent explosion-proof safety, superior energy efficiency, and robust industrial performance, making it an ideal solution for hazardous industrial environments. Selecting YB2 ensures reliable safety, energy savings, and comprehensive technical support from Simo Motor, promoting safe production and energy-efficient operations in industrial applications.






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