Low speed & large output torque, cancel the reducer structure. Eliminate intermediate transmission loss, reduce failure rate and maintenance cost.
Application:Mining conveyors, heavy-duty rotating machinery, large stirring equipment
Traditional low-speed industrial drive systems rely on a combination of an electric motor and a gear reduction mechanism; however, the complexity of such gearboxes creates significant inconveniences for efficient production. Leveraging the characteristics of modern permanent magnet motors, eliminating the reduction mechanism—and adopting a direct-drive configuration—has become the prevailing trend for this type of industrial equipment.
Low-speed, high-torque direct-drive permanent magnet motors meet system performance requirements while simultaneously reducing the overall size and weight of the equipment and significantly boosting system efficiency. Offering advantages unmatched by traditional low-speed drive systems, they represent the inevitable future direction for low-speed, high-torque drive technology.
These motors are widely applicable across industries such as steel, petroleum, and chemicals. Their adoption substantially enhances the technological sophistication of industrial equipment, reduces energy consumption, and improves resource utilization efficiency, delivering significant social and economic benefits.
The use of low-speed, high-torque direct-drive permanent magnet motors offers the following advantages:
It transforms the mechanical drive mode by simplifying the drive chain and eliminating intermediate transmission stages; it simplifies the manufacturing process by reducing the complexity associated with designing and producing transmission components; it enhances drive efficiency through optimized motor parameters that maximize performance; and it lowers maintenance costs by reducing the number of potential failure points and increasing overall system reliability.
Product Series
1) TYVF/B1D Low-voltage/Explosion-proof Series (380V, 0–200 r/min, 2.2 kW–450 kW);
2) TYVF/B3D Medium-voltage/Explosion-proof Series (690V, 0–200 r/min, 15 kW–1200 kW);
3) TYVF/B4D Medium-voltage/Explosion-proof Series (1140V, 0–200 r/min, 15 kW–1200 kW);
4) TYVF5D High-voltage Series (2 kV, 0–200 r/min, 200 kW–2500 kW);
5) TYVF6D High-voltage Series (3 kV, 0–200 r/min, 500 kW–4500 kW);
6) TYVFGD High-voltage Series (6 kV, 0–200 r/min, 200 kW–2500 kW);
7) TYVFHD High-voltage Series (10 kV, 0–200 r/min, 500 kW–4500 kW);
| Performance Parameters | TYVF / BID | TYVF /B3D | TYVF /B4D | TYVF5D | TYVF6D | TYVFGD | TYVFHD |
| Rated Voltage (V) | 380 | 690 | 1400 | 2 | 3 | 6 | 10 |
| Rated Frequency (Hz) | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Power Range (kW) | 2.2~450 | 15~1200 | 15~1200 | 200~2500 | 500~4500 | 200~2500 | 500~4500 |
| Speed Range (r/min) | 0~200 | ||||||
| Operating Mode | S1 | ||||||
| Maximum Torque Multiple | 1.5~1.8 | ||||||
| Cooling Method | IC411, IC4W21 | ||||||
| Insulation Class | H Grade | ||||||
| Usage Conditions | Ambient temperature -45℃ to +65℃, relative humidity <90%, altitude <1500m. | ||||||
Core Technical Advantages
Key Advantages
1. Outstanding Energy Saving Performance
Efficiency far exceeds IE5 ultra-high energy efficiency standard. Save 15%~40% power consumption compared with traditional asynchronous motors. Short investment recovery period.
2. High Power Factor & Low Line Loss
High power factor close to 0.95 in full working range, reduce reactive power loss of power grid, lower transformer and cable load.
3. Wide High-efficiency Operating Zone
Maintain high efficiency even under partial load. Greatly suitable for equipment running under variable load conditions.
4. Multiple Startup & Control Modes
Options: direct line start / variable frequency driving. Provide complete motor + supporting VFD integrated solutions.
5. Compact Structure & High Reliability
Smaller frame size, light weight. Anti-demagnetization structural design, stable long-term continuous operation, low maintenance workload.
6. Easy Replacement & Installation
Mounting dimensions comply with international standard. Direct replacement of old asynchronous motors, no need to modify equipment base.
Typical Application Industries
Application Scenarios
– Factory energy-saving renovation project
– Metallurgical & mining equipment
– Water pump & ventilation fan system
– Chemical processing equipment
– Heavy-duty conveyor and mixing machinery
Customization Service
Customizable Options
✅ Rated Power:Custom power range on demand
✅ Voltage:380V/415V/660V etc.
✅ Protection Grade:IP54 / IP55 / IP56
✅ Installation form:B3, B5, B35 and other mounting standards
✅ Special improvement: low temperature, dust-proof, anti-corrosion structure
✅ Supporting matching dedicated RUNDA frequency converter
Get Technical Parameters & Official Quotation
Please tell us your working condition, required power, voltage and speed requirement. Our engineer will provide professional solution and competitive price quickly.



