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YBBP Series Explosion-Proof Three-Phase Asynchronous Motor for Underground Coal Mines

YBBP Series Explosion-Proof Three-Phase Asynchronous Motor for Underground Coal Mines

The YBBP Series Explosion-Proof Three-Phase Asynchronous Motor is specifically designed for power equipment operating in underground coal mines with explosive gas and coal dust environments. The motor features an explosion-proof housing and highly reliable sealed structure, meeting coal mine safety standards, and ensuring long-term stable operation in gas- and dust-rich spaces.

This motor series delivers strong power output and excellent mechanical load capacity, making it suitable for electric traction equipment, conveyor systems, pumps, ventilation, and hoisting machinery in critical mining applications. The internal insulation system is reinforced and upgraded to withstand high humidity, heavy dust, and high-impact conditions, ensuring safe operation and long service life.

  • Coal mine-specific explosion-proof grade for enhanced safety protection

  • Stable torque output suitable for continuous heavy-duty operation

  • Supports variable frequency control and customizable parameters

  • Well-sealed structure resistant to moisture and dust, requiring minimal maintenance

Applications: underground conveyance, hoisting, dewatering, ventilation, and auxiliary mining equipment power transmission systems.

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Excerpt:

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 Asynchronous Motor for Underground Coal Mines – Professional Overview

The 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

ParameterSpecification
Power Range0.55kW–315kW (some models 0.18kW–315kW)
Rated Voltage380V, 660V, 1140V, 380/660V, 660/1140V
Rated Frequency50Hz
ProtectionIP55 (some models IP54)
InsulationF-class
CoolingIC416 (forced ventilation)
DutyS1 (continuous)
Explosion-Proof MarkEx d I Mb
MountingIMB3, 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-quality 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:
The YBBP series explosion-proof three-phase asynchronous motor for underground coal mines delivers exceptional explosion-proof safety, flexible variable-speed performance, and reliable operation, making it the ideal solution for hazardous underground industrial power applications. Through continuous innovation 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.

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Simo Motor After-Sales Service Policy: Quality First, Customer Foremost

Sincere, Attentive, Dedicated — Simo Always Cares


Preface

Thank you for choosing Simo Motor products. As a company with many years of experience in motor manufacturing, Simo Motor always adheres to the principle of "Quality First, Customer Foremost." Through a comprehensive service system, we ensure that every customer enjoys efficient and professional after-sales support.

Our products have repeatedly been awarded provincial, municipal, and national honors such as “High-Quality Product,” “China Famous Brand Product,” “National Exemption from Inspection Product,” and “China Well-Known Trademark.” To further enhance customer experience, we have formulated this after-sales service policy, aimed at providing comprehensive, prompt, and satisfactory service guarantees.


1. Quality Assurance Commitment

Simo Motor strictly implements full quality control in accordance with international standards, national standards, industry standards, and corporate standards:

  • All products are manufactured under the effective operation of the GB/T 19001-2008/ISO 9001:2008 Quality Management System, ensuring rigorous inspection from raw material intake to final product delivery.

  • We guarantee that all products provided are brand new, unused, and meet the quality requirements stipulated in customer contracts.

  • We maintain a quality management system compliant with GB/T 19001-2000 idt ISO 9001:2000, ensuring its effective operation.


2. Pre-Sales Service

To help customers make the best choice, Simo Motor provides comprehensive pre-sales support:

  • Professional Technical Consultation: Responding to customer inquiries about motor products and technical issues.

  • Personalized Solutions: Objectively introducing Simo Motor product features and performance, and providing customized power solutions.

  • Comprehensive Product Information: Providing detailed quotations, drawings, and motor samples to help customers fully understand the product.


3. Ordering Instructions

To ensure the motor meets your usage requirements, please specify the following parameters when placing an order:

  • Basic Parameters: Motor model, rated power, rated voltage, number of poles, rated frequency.

  • Installation Environment: Protection level, cooling method, installation type, rotation direction, environmental conditions, cable exit position.

  • Usage Conditions: Installation altitude, working environment temperature, motor load type.

For special requirements, a separate technical agreement must be signed before placing an order. You may also call our customer service hotline 159-0292-3228 for professional guidance.


4. Warranty Policy Details

1. Warranty Period

Simo Motor provides a warranty of up to two years from the shipping date. Within this period, if the motor is damaged or cannot operate properly due to manufacturing defects, Simo Motor will repair or replace parts or the motor free of charge.

2. Warranty Coverage

  • The warranty covers product quality issues caused by our company, with free replacement of parts or free repair.

  • Warranty services require correct use and regular maintenance, following the original operation manual and recommended lubrication, cleaning, and care instructions.

3. Exclusions from Warranty

The following are not covered by the warranty:

  • Damage caused by non-designated personnel

  • Unauthorized modifications or self-repair

  • Use of non-official parts or software

  • Failure to follow operation manual instructions for use, handling, and maintenance

  • Damage caused by natural disasters (wind, fire, flood, earthquake, etc.)

  • Normal wear and tear under standard use


5. Post-Warranty Service

After the warranty expires, Simo Motor continues to provide service support:

  • Lifetime Paid Service: After the warranty period, if the product fails, we offer lifetime paid service, supplying consumable parts and components at cost price.

  • Regular Follow-Up: Our after-sales staff will periodically contact users to check product status and address potential issues.

  • Professional Repair Services: The company undertakes repair services for all types of motors, whether under warranty or not, providing professional maintenance and inspection.


6. Service Commitment and Standards

Simo Motor upholds the "Sincere, Attentive, Dedicated — Simo Always Cares" Three-Heart Service Philosophy, ensuring excellent customer experience through standardized service processes:

  • Professional Service Team: A dedicated team provides installation guidance, fault diagnosis, and repair services, ensuring efficient motor operation.

  • Rapid Response Mechanism: After receiving customer feedback, our after-sales team responds promptly and formulates quick solutions.

  • Full Tracking and Records: All service processes are documented to ensure traceability and continuous improvement of service quality.


7. Customer Complaint Channels

If you are not satisfied with Simo Motor’s services, please provide feedback through the following channels:

  • Direct complaints to the service department or headquarters

  • Call our customer service hotline: 159-0292-3228

We take every feedback seriously and continuously strive to improve our service quality.


Conclusion

Simo Motor will continue to provide high-quality products and professional after-sales service. Through a complete service system, we solve your concerns and ensure peace of mind. We firmly believe that only with customer success can Simo Motor grow. Choosing Simo Motor means choosing quality and trust.

Simo Motor — Dedicated Service, Creating the Future Together!

Simo Motor Brand Advantages: Outstanding Quality, Leading Innovation and Development in the Motor Industry

Over 60 Years of Professional Experience, Setting the Benchmark in the Motor Industry


Brand Heritage and Strength

Simo Motor (formerly Xi’an Motor Factory) was established in 1955. As one of the leading enterprises in China’s motor industry, it has over six decades of manufacturing experience and technical expertise. Today, the company has grown into a large-scale modern enterprise integrating motor product R&D, manufacturing, and sales. Its products are widely used in key sectors such as power, coal, petroleum, mining, metallurgy, railways, transportation, chemical, agriculture, water conservancy, and aviation.

With profound technical expertise and continuous innovation, Simo Motor has built a prestigious brand image in the motor industry. Its products are exported to more than 40 countries and regions, including North America, Europe, the Middle East, Southeast Asia, Africa, and Australia, earning trust and praise from global customers.


Core Technology Advantages

1. Leading R&D and Innovation Capability

Simo Motor treats technological innovation as the core driving force of enterprise development:

  • Professional R&D Team: Composed of senior engineers and technical experts focusing on cutting-edge motor technology research and applications.

  • Continuous Investment in Technology: 5%-7% of annual sales revenue is invested in R&D to ensure continuous innovation and product upgrades.

  • Patented Technology Achievements: Over 100 national patents, with multiple products receiving national and provincial science and technology progress awards.

  • Industry-Academia Collaboration: Strategic partnerships with renowned universities and research institutes to advance motor technology development.

2. Excellent Product Quality System

Simo Motor has established a robust quality assurance system to ensure each motor meets the highest standards:

  • International Certifications: ISO9001 Quality Management, ISO14001 Environmental Management, and OHSAS18001 Occupational Health and Safety certifications.

  • Strict Quality Control: 68 rigorous inspection processes from raw material procurement to final product delivery to ensure zero defects.

  • Advanced Testing Equipment: Equipped with international motor performance testing systems, vibration analyzers, noise measurement devices, and more.

  • Continuous Quality Improvement: Comprehensive feedback mechanisms for continuous optimization of production processes and product stability.


Product Advantages and Features

1. High-Efficiency Energy-Saving Technology

Simo Motor actively responds to national energy-saving policies with a series of high-efficiency products:

  • High-Efficiency Motor Series: Meets the national GB18613-2020 energy efficiency standards, with some products reaching IE4/IE5 ultra-high efficiency levels.

  • Energy-Saving Technology: Uses premium silicon steel, low-loss bearings, and efficient cooling systems to reduce operating energy consumption.

  • Intelligent Control Technology: Advanced variable frequency control systems optimize motor operation, improving energy savings by 15%-30%.

2. Outstanding Performance

Simo Motor products are known for high reliability, long service life, and low maintenance costs:

  • Powerful Output: Optimized electromagnetic design ensures high starting torque and strong overload capability.

  • Low Vibration and Noise: Dynamic balancing and noise reduction technologies ensure vibration and noise levels below national standards.

  • Strong Environmental Adaptability: Designed for harsh conditions with heat resistance, moisture-proof, and corrosion-resistant features.

  • Long Lifespan Design: Key components use specialized treatment and premium materials, with a design life exceeding 100,000 hours.

3. Comprehensive Product Series

Simo Motor provides a wide range of products to meet diverse customer needs:

  • High-Voltage Motors: Voltage levels of 6kV, 10kV, and power range 200–10,000 kW.

  • Low-Voltage Motors: Series such as YX3, YE3, YE4, with power range 0.55–1,000 kW.

  • Explosion-Proof Motors: Certified for use in flammable and explosive environments.

  • Special Motors: Customized for industries such as mining, metallurgy, and marine applications.

  • Non-Standard Customization: Strong ability to provide tailored solutions according to customer requirements.


Service System Advantages

Simo Motor has established a comprehensive customer service system:

  • Pre-Sales Technical Support: Professional selection guidance, solution design, and product demonstration.

  • In-Sales Support: Strict contract compliance, on-time delivery, and installation guidance.

  • After-Sales Guarantee: 24-month warranty, 24/7 technical support, 48-hour on-site service commitment.

  • Lifetime Maintenance Support: Customer equipment files maintained for full lifecycle service.


Industry Application Advantages

Simo Motor has extensive experience across key industries:

  • Power Industry: Provides reliable motors for thermal, hydro, and nuclear power.

  • Coal Industry: Explosion-proof motors certified for coal mine safety.

  • Petrochemical Industry: Corrosion-resistant and explosion-proof motors for harsh environments.

  • Metallurgy: High-overload, high-temperature resistant motors meet specialized equipment needs.

  • Transportation: Customized motors for railways, urban transit, and ports.


Brand Honors and Certifications

Simo Motor’s excellent product quality and market performance have earned multiple honors:

  • China Famous Brand Product, National Exemption from Inspection Product, China Well-Known Trademark

  • High-Tech Enterprise, Provincial Enterprise Technology Center

  • Multiple provincial and ministerial-level science and technology awards

  • Credit-worthy and trustworthy enterprise, AAA-level quality reputation


Conclusion

Choosing Simo Motor means choosing reliable quality, leading technology, and comprehensive service support. Over 60 years of professional accumulation have given Simo Motor deep technical expertise and rich industry experience, providing customers with the best motor products and complete power solutions.

In the future, Simo Motor will continue to adhere to the philosophy of “Quality First, Innovation Driven, Customer Foremost”, constantly improving product technology and quality, creating greater value for customers, and contributing to the development of China’s motor industry.

Simo Motor — Powerful, Efficient, and Fully Supported!

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