Built-in asynchronous starting rotor structure, can be directly connected to the power grid without external drivers. Simple installation, directly replace ordinary asynchronous motor, perfect for fixed-speed equipment renovation.
Application：Industrial water pumps, constant-speed fans, general processing equipment
Runda high-precision permanent magnet synchronous motors are high-quality products specifically designed and manufactured for specialized applications. These motors feature comprehensive optimization in electromagnetics, structural design, and material selection, and are manufactured using precision processes to achieve peak performance. They are suitable for sectors such as the military, transportation, and precision manufacturing. Key product features include:
Compact, lightweight, and highly efficient: Through comprehensive optimization of magnetic circuit structures and winding configurations, energy losses are reduced to just 1/4–1/5 of those found in standard asynchronous motors of the same rating. Average efficiency is improved by 12–30%, while volume and weight are only 40–70% of those of three-phase asynchronous motors;
Low vibration and noise: Minimal energy loss and a specially designed fan result in very low noise levels—or even fan-free operation—ensuring quiet performance. Vibration displacement and velocity are kept to the micron level, and vibration acceleration is significantly reduced;
Strong starting capability: The motors support direct-on-line or reduced-voltage starting and possess excellent pull-in-to-synchronism capabilities;
Excellent speed regulation: Compatible with variable frequency drives (VFDs), these motors support four-quadrant operation, offering a wide speed range, rapid response, and smooth, steady performance. Stall torque and overload torque multipliers are configurable;
High stability: Capable of withstanding sudden load application and rejection, ensuring stable operation;
Superior electromagnetic compatibility (EMC): Designed for standard sinusoidal waveforms, the motors exhibit excellent electromagnetic compatibility;
High reliability and maintenance-free: Capable of reliable long-term operation in harsh environments. Their simple structure eliminates vulnerable components such as slip rings, brushes, and rotor windings, requiring no maintenance;
High adaptability: A comprehensive range of specifications is available, with structural designs and mounting dimensions compliant with relevant national (and military) standards, meeting the requirements of diverse load types.
Product Series
1) TYY1S Asynchronous-start low-voltage series (380V/50Hz, 2.2kW–220kW).
2) TYVFOS Variable-frequency speed-regulation low-voltage series (220V, 0–3000 r/min, 2.2kW–220kW);
3) TYVF1S Variable-frequency speed-regulation low-voltage series (380V, 0–3000 r/min, 2.2kW–160kW).
| Performance Parameters | TYYIS | TYVF0S | TYVF1S |
| Rated Voltage (V) | 380 | 220 | 380 |
| Rated Frequency (Hz) | 50 | 50 | 50 |
| Power Range (kW) | 2.2-220 | 2.2-220 | 2.2-160 |
| Speed Range (r/min) | 600-3000 | ||
| Airborne Noise (dB) | 40-55 | ||
| Vibration Displacement (μm) | 2-5 | ||
| Vibration Velocity (μm/s) | 50-100 | ||
| Vibration Acceleration (m/s²) | 0.1–0.15 | ||
| Duty Type | S1 | ||
| Cooling Method | IC411, IC4W21 | ||
| Shaft Center Height (mm) | 100–315 | ||
| Protection Class | IP55 | ||
| Operating Conditions | Ambient temperature -45°C to +65°C; relative humidity <95%; altitude ≤1800m. | ||
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.
