Explore our industrial range of high-voltage asynchronous, permanent magnet synchronous, and custom explosion-proof electrical machinery.
Global industrialization is undergoing a radical transition. Driven by strict energy regulations, such as the EU EcoDesign directives and the US Department of Energy (DOE) compliance mandates, industrial enterprises are phasing out older induction systems. Permanent Magnet Machines (PMMs) and Permanent Magnet Synchronous Motors (PMSMs) have emerged as the absolute gold standard for achieving the required efficiency goals.
Unlike standard induction variants, permanent magnet motor designs integrate NdFeB (Neodymium-Iron-Boron) magnets directly into the rotor assembly. This configuration completely eliminates rotor copper losses (I²R loss), optimizing power factor efficiency even during partial-load conditions. For multi-megawatt configurations found in heavy manufacturing, mining operations, and oil exploration, upgrading to a PMM system yields significant operational improvements, providing substantial long-term electricity savings and reduced system wear.
Established as a core manufacturer in the Chinese mechanical sector, SIMO Motor has consistently driven innovation in motor technology since the mid-20th century.
Founded in 1955, Xi’an Lite SIMO Motor Co., Ltd. has developed into a comprehensive manufacturing and service supplier of electric motor systems. With a registered capital of 21.5 million RMB, SIMO maintains three modern manufacturing plants and a specialized subsidiary factory. The facility houses over 1,172 sets of advanced equipment, backed by 380 million RMB in fixed assets.
SIMO Motor established and led by government initatives in post-war industrial reconstruction.
Relocated to a dedicated manufacturing plant in Xi'an City, expanding early electric motor lines.
Renamed to Xi'an Motor Factory following strategic mergers and system integrations.
Reformed into a limited liability company, introducing agile market-driven operations.
SIMO Motor Group established, overseeing 14 subsidiaries specializing in auxiliary components.
Relocated to a state-of-the-art facility, installing advanced testing and winding equipment.
Rebranded as Tech Full Simo Motor, aligning corporate strategy with international export standards.
Ranked among the premier motor manufacturers in Asia, driving next-gen permanent magnet solutions.
Maximizing performance and cost efficiency requires end-to-end integration of supply chains, advanced metallurgy, and specialized engineering expertise.
With close proximity to major extraction and processing hubs for Neodymium (Nd) and Dysprosium (Dy), Chinese factories benefit from stable magnet supply chains, protecting clients from raw material price volatility.
SIMO utilizes high-speed automated slot winding machines alongside Vacuum Pressure Impregnation (VPI) equipment. This guarantees void-free insulation structures (Class H & Class F) that withstand harsh high-voltage operations.
Our consolidated manufacturing infrastructure lowers initial acquisition costs. This combines with the superior high-efficiency performance of PM machines to shorten your project's Return on Investment (ROI) period.
Review the primary performance metrics to understand the engineering advantages of our high-voltage and low-voltage PM motor designs.
| Performance Metrics | SIMO PM Synchronous Motors (PMSM) | Traditional Asynchronous Motors (Induction) | Enterprise Efficiency Benefit |
|---|---|---|---|
| Efficiency Class | Ultra-Premium IE5 and Higher | Standard IE2 / IE3 (Some IE4) | Minimizes grid power draw under continuous loads. |
| Rotor Losses | Zero (Excited by permanent magnets) | Substantial I²R losses in rotor bars | Prevents rotor heating, extending bearing life. |
| Power Factor (pf) | 0.95 - 0.99 (Self-excitation) | 0.75 - 0.85 (Degrades at low loads) | Reduces reactive power penalties from utility grids. |
| Torque Density | High (Allows compact frame sizes) | Moderate (Larger, heavier footprints) | Simplifies installation in space-constrained sites. |
| Low-Speed Torque | Full rated torque starting from 0 RPM | Requires slip speed, loses efficiency | Ideal for direct-drive setups without gearboxes. |
Different operating environments demand specialized protection ratings, insulation materials, and thermal performance characteristics.
SIMO T and TK series large synchronous motors deliver the starting torque required for ball mills, crushers, and mine ventilation shafts. Their robust frames handle the constant dust and vibrations typical of heavy mining sites.
With certified explosion-proof lines like the YBX3, YBX4, and YBX5 series, our motors are engineered to operate safely in volatile chemical environments. These designs prevent thermal ignition risks and withstand atmospheric corrosion.
Designed for continuous operation, our YKS and YRKS water-cooled high-voltage motors power major water distribution networks. The water-cooling system maintains stable coil temperatures to maximize lifespan.
Our production facilities maintain strict compliance with international quality, safety, and performance standards.




SIMO has passed the ISO9001 Quality System Certification, European Union CE, United States UL, and Russian GOST standards. Our electric motors are deployed globally across energy generation, coal mining, metallurgy, transport, water utilities, and aerospace.










Use this technical framework to select the correct configuration for heavy-duty industrial installations.
Determine the environmental demands of your site. In petrochemical and mining operations, specify explosion-proof motors (such as our YBX3, YBX4, and YBX5 series) featuring dust-ignition-proof (Ex t) or flameproof (Ex d) designs. Ensure the enclosure IP rating matches your dust and moisture exposure.
Continuous heavy-duty runs require efficient cooling. Standard air-to-air cooling (IC611) works well in most industrial areas, but confined or high-temperature spaces may require liquid water-to-air cooling (IC81W or IC86W) to protect the permanent magnet assembly from heat degradation.
Modern high-voltage PM motors require precise electronic speed controls. Choose systems compatible with variable frequency drives (VFD) to manage starting current peaks and run smooth variable-load cycles.
Answers to common technical questions about permanent magnet motors, efficiency standards, and custom manufacturing options.
Discover our certified low-voltage asynchronous, explosion-proof, and variable frequency synchronous motors designed for global industrial deployment.