TBVF Series Explosion-Proof Permanent Magnet Synchronous Motor
- Explosion-proof type : It may be flameproof (Exd) or increased safety (Exe), suitable for T1-T4 environment groups.
- Permanent magnet characteristics : High efficiency and energy saving, power factor ≥0.95, efficiency is 5%-10% higher than asynchronous motor.
- Protection level : IP55/IP56, suitable for dusty or humid environments.
-
Speed control :
A frequency converter is required to achieve wide range speed regulation.
- INTRODUCTION
- SPECIFICATION
- RELATED
- INQUIRY
TBVF Series Explosion-Proof Permanent Magnet Synchronous Motor Technical Specifications
1. Product Overview
The TBVF series direct-drive permanent magnet synchronous motors (ExdⅠMb certified) achieve 93%+ efficiency through innovative brushless design. Compliant with GB 3836.1~2-2010 standards, they eliminate traditional gearboxes and fluid couplings in explosive methane/coal dust environments.
2. Core Structure
Magnetic System: NdFeB permanent magnets with F/H class insulation
Explosion Protection: Cast iron/steel housing with ≤0.2mm flame path gaps
Cooling: Water-cooled (0.3-0.8MPa, 2.8t/h flow)
3. Technical Features
| Parameter | Specification |
|---|---|
| Efficiency | IE4 (93%+) |
| Starting Torque | 280% rated torque |
| Speed Range | 0-100Hz VFD control |
4. Typical Applications
Coal Mine: Belt conveyors, hoists (20-30% energy saving)
Metallurgy: Rolling mills, compressors
Ports: Ship loaders, stackers
5. Technical Parameters
| Model | Power | Torque | Voltage |
|---|---|---|---|
| TBVF-55/24YC(660) | 55 kW | 6,734 N·m | 660V |
| TBVF-630/40YC(1140) | 630 kW | 69,959 N·m | 1140V |
6. Selection & Installation
Speed Calculation: n = 60V/(πD)
Torque Formula: T = 9550×k×PA/n
Alignment: ≤0.1mm shaft deviation
7. Maintenance Protocol
Quarterly: Check bearing temp (≤85℃)
Annual: Insulation resistance test (≥1MΩ)
Lubrication: Great Wall #3 grease every 2,000-5,000h
8. Compliance Standards
GB 3836.1~2-2010 (Explosive Atmospheres)
GB 18613-2020 (IE4 Efficiency)
9. Summary
The TBVF series revolutionizes heavy industry drives with direct-drive technology and smart control. Critical selection factors include torque requirements (6,734-69,959 N·m) and cooling water quality specifications.
| Model | Power (kW) | Voltage (V) | Frequency Range (Hz) | Speed (r/min) | Efficiency (%) | Ex Protection | Weight (kg) |
|---|---|---|---|---|---|---|---|
| TBVF-55 | 55 | 380/660 | 5-150 | 0-3000 | 94.5 | Ex d I Mb | 850 |
| TBVF-132 | 132 | 660/1140 | 5-200 | 0-2500 | 95.2 | Ex db IIC T4 Gb | 1450 |
| TBVF-315 | 315 | 1140/3300 | 5-250 | 0-1800 | 96.1 | Ex db I Mb | 3250 |
Key Specifications:
Explosion Protection: Complies with IEC 60079-0/1 and GB 3836 standards
Cooling System: IC416 water cooling (alternative air cooling available)
Insulation Class: H (180℃)
Bearings: Insulated SKF bearings with temperature monitoring
Control Interface: Built-in encoder (2048PPR) and PT100 sensors
Certifications: MA, ATEX, IECEx, and CU-TR
Safety Features:
Double-layer flameproof enclosure with pressure relief valve
Intelligent temperature monitoring system
Grounding continuity monitoring
Emergency braking system
Explosion Protection Marking:
Ex - Explosion Protected
d - Flameproof Enclosure
I - Mining Industry Application
Mb - Equipment Protection Level (Mining)
* All values based on 50Hz operation at -20℃ to +40℃ ambient
** Optional features: anti-condensation heater, CANopen interface
