Discount Induction Motor Three Phase Company & Electric Solutions

Premium High/Low Voltage Asynchronous & Synchronous Industrial Motors Engineered by Xi'an Lite SIMO Motor Co., Ltd. Since 1955.

Premium Induction & Synchronous Motors - Selection Part I

Explore our highly integrated engineering configurations, customized for heavy-duty operational efficiency.

China YVFE3 Series Variable Frequency Drive Motor

China YVFE3 Series Variable Frequency Drive Three-phase Asynchronous Motor

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China Z2 series DC motor

China Z2 series DC motor Suppliers, Company

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Discount YR/YRQ series high voltage three phase asynchronous motor

Discount YR/YRQ series high voltage three phase asynchronous motor

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Discount Y series high voltage three phase asynchronous motor

Discount Y series high voltage three phase asynchronous motor

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Custom TDMK series motor AC three phase synchronous motor

Custom TDMK series motor AC three phase synchronous motor specially for mine milling

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China YFB3 series Dust explosion-proof three-phase asynchronous motor

China YFB3 series Dust explosion-proof three-phase asynchronous motor

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High-Quality YKS series high voltage three-phase asynchronous motor

High-Quality YKS series high voltage three-phase asynchronous motor

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Discount T Series Large Size Three-phase Synchronous Motor

Discount T Series Large Size Three-phase Synchronous Motor

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Xi'an Lite SIMO Motor Manufacturing plant floor

Xi’an Lite SIMO Motor Co., Ltd.

Pioneering Industrial Electrification Since 1955

Xi’an Lite SIMO Motor Co., Ltd. is a prominent and comprehensive electric company in the Chinese mechanical industry. We specialize in the manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motors, and explosion-proof motors. As a leading manufacturer, SIMO offers integrated services ranging from initial motor design, raw material sourcing, precision mechanical processing, and professional mold making, to rigorous final assembly and dynamic testing.

Our scale of production ranks consistently at the top of China’s motor industry. Leveraging deep industry knowledge, cutting-edge automated testing centers, and strategic geographic placement in the national high-tech manufacturing hub of Xi'an, SIMO Motor delivers high-efficiency machinery that conforms strictly to international efficiency standards, ensuring continuous fast-growing development.

60+ Yrs
Manufacturing History
1200+
Active Employees
260+
Technical Engineers

Unrivaled Chinese Factory Manufacturing Advantages

Understanding why purchasing custom three-phase induction motors from premium Chinese suppliers maximizes return on investment.

Vertical Supply Chain Integration

By producing raw core laminations, copper rotor winding processes, high-voltage casting frames, and precision shafts directly within integrated hubs, Chinese factories reduce intermediate logistics, ensuring faster lead times and strict control over structural integrity.

Unbeatable Cost-to-Performance Ratio

We combine highly automated fabrication layouts with cost-effective operations. This strategy yields highly competitive premium three-phase motors that are up to 35% more cost-effective than Western counterparts without sacrificing technical characteristics.

Extensive Engineering Assets

With 1,172 sets of advanced manufacturing equipment, including CNC machining centers, automated coil winding lines, VPI (Vacuum Pressure Impregnation) units, and comprehensive dynamometer test stations, we build reliable motors capable of long-term duty cycles.

Our Historical Evolution

A proven trajectory of growth, shifting from a state-owned industrial plant to an international manufacturer.

1955

SIMO Motor was established and led by the Chinese government to support industrial manufacturing.

1957

Relocated to a new, larger production plant in the historical industrial city of Xi'an.

1966

Officially renamed to Xi'an Motor Factory following strategic mergers and acquisitions.

1999

Reformed from a state-owned enterprise into a highly responsive limited liability company.

2005

SIMO Motor Group established, expanding its capabilities with 14 specialized subsidiaries.

2006

Moved to a state-of-the-art, advanced technological plant in Xi'an's high-tech zone.

2009

Transitioned corporate designation to Tech Full Simo Motor to reflect international market alignment.

2019 - Present

Consistently ranked as a key supplier for high-voltage and high-efficiency electric motors globally.

R&D Architecture & High-Performance Product Lines

Comprehensive technical specifications supporting large-scale municipal, mining, and industrial infrastructures.

Xi'an Lite SIMO Motor's research, development, and production processes cover a wide variety of industrial motors. Our products span 34 major series, over 1,800 varieties, and more than 19,500 distinct engineering specifications. Our power ratings range from 0.35 kW to 25,000 kW, supporting operating voltages from 380V low-voltage applications up to 10kV high-voltage power grids.

Main Motor Products & Classifications

  • High-Efficiency Three-Phase Asynchronous Motors: YX, YXKK, and YXKS series high-voltage motors designed for premium efficiency under continuous loads.
  • Wound Rotor High-Voltage Motors: YR, YRKK, and YRKS series, designed for high-inertia applications requiring high starting torque and low starting current.
  • IE3, IE4, and IE5 Premium Asynchronous Motors: The YE3, YE4, and YE5 series, designed to comply with modern eco-design standards and lower operating costs.
  • Variable Frequency & Variable Speed Motors: YVFE3, YVFE4, and YVFE5 series, engineered for high-performance inverter duty systems.
  • Explosion-Proof Systems: YBX3, YBX4, and YBX5 series flameproof motors designed for hazardous operational environments in the chemical, petroleum, and coal industries.
  • Large-Scale Synchronous Machinery: T, TD, TK, and TDMK series motors, and TFW series large synchronous generators.
  • Industrial DC Motors: Z2, Z4, and Z series medium-sized DC motors, providing high-torque control for steel mill rollers and hoisting systems.
SIMO High Voltage Asynchronous Motor Product Showroom

Industry Trends: Transitioning to IE5 Ultra-Premium Efficiency

Global regulatory bodies are enforcing stricter Minimum Energy Performance Standards (MEPS). The transition from traditional IE3 induction motors to IE5 ultra-premium efficiency designs reduces carbon footprints and operating expenses. Our Discount YE5 series three-phase motors utilize optimized rotor designs, premium electrical laminations, and improved cooling paths to minimize copper losses, windage losses, and magnetic stray losses, ensuring high efficiency even under partial loads.

VFD and Variable Frequency Optimization

Variable Frequency Drives (VFDs) are essential for modern fluid control and ventilation systems. Standard induction motors can suffer from overheating and insulation failure when powered by VFD harmonics. Our YVFE3, YVFE4, and YVFE5 series variable frequency motors feature reinforced Class H insulation, vacuum pressure impregnation (VPI) treatment, and dedicated external cooling fans (IC416) to ensure reliable operation across a wide speed range.

Xi'an SIMO Motor Capability Statistics

A statistical overview of our manufacturing capacity, financial strength, and machinery assets.

21.5M
Registered Capital (RMB)
380M
Fixed Assets (RMB)
1,172
Advanced Machining Units
3
Dedicated Production Plants
SIMO manufacturing equipment line
Induction motor testing facility
Motor winding process details
High voltage induction motor frames

Global Application Scenarios & Heavy-Duty Industry Solutions

Providing high-reliability, rugged three-phase electric motors for demanding operating environments.

Mining, Crushing & Milling

Grinding mills, kilns, and conveyors require massive torque under variable loads. Our custom TDMK series synchronous motors and YR wound rotor asynchronous motors provide high starting torque, thermal capacity, and structural rigidity for mine mill drives.

Petrochemical & Coal Industries

Refineries and gas pipelines require motors that isolate electrical ignition sources. Our YBX3, YBX4, YBX5 explosion-proof motors, and YFB3/YFB4 dust-proof designs protect against combustible vapors and volatile particulates.

Water Utilities & Infrastructure

Pumping stations and aeration blowers depend on long runtime cycles. SIMO's YKK and YKS high-voltage three-phase induction motors, configured with high protection ratings (IP54/IP55) and optimized cooling systems (water or air heat exchangers), ensure reliable operation.

Industrial pump and blower assembly with SIMO HV motor

Providing Integrated System Solutions

Modern plants are shifting from stand-alone machinery purchases to integrated drive-train systems. Selecting a supplier that understands the interactions between grid impedance, VFD parameters, torque requirements, and mechanical resonance is crucial. SIMO Motor provides pre-sale technical consultations and engineering support to ensure optimal alignment between motors, couplings, loads, and variable frequency drives, helping prevent operational downtime.

Global Certifications & Quality Compliance

SIMO electric motors are certified for deployment across all major international markets.

International industrial projects require strict compliance with regulatory standards. SIMO Motor maintains certified quality assurance programs, passing ISO9001:2015 Quality System Certification, European Union CE Mark, United States UL Certification, and Russian GOST standardization protocols.

These credentials ensure our motors comply with national efficiency regulations, explosion-proof standards, safety guidelines, and environmental rules. Our motors are widely applied in power generation, coal mining, petrochemicals, metallurgy, rail transit, water management, marine propulsion, and aerospace projects globally.

SIMO Quality Certificate 1
SIMO Quality Certificate 2
SIMO Quality Certificate 3
SIMO Quality Certificate 4
SIMO Quality Certificate 5
SIMO Quality Certificate 6
SIMO Quality Certificate 7
SIMO Quality Certificate 8
SIMO Quality Certificate 9
SIMO Quality Certificate 10
SIMO Quality Certificate 11
SIMO Quality Certificate 12
SIMO Quality Certificate 13
SIMO Quality Certificate 14
SIMO Quality Certificate 15
SIMO Quality Certificate 16

Precision Assembly & Quality Control Operations

A look inside our advanced assembly lines and quality control departments.

High voltage motor assembly details
Rotor dynamic balancing processes
Heavy duty motor frame welding stations

Frequently Asked Questions & Technical Insights

Clarifying technical questions about three-phase industrial induction motors, customization, and global shipping.

What is the core difference between the YE3, YE4, and YE5 series three-phase motors?
The core difference lies in their energy efficiency classifications. The YE3 series complies with IE3 (Premium Efficiency) standards. The YE4 series meets IE4 (Super-Premium Efficiency) standards. The YE5 series meets IE5 (Ultra-Premium Efficiency) requirements. Each tier achieves higher efficiency by optimizing stator designs, using higher-grade cold-rolled silicon steel laminations, and improving internal ventilation, which helps lower operating costs.
Why is VPI (Vacuum Pressure Impregnation) important for high-voltage induction motors?
VPI (Vacuum Pressure Impregnation) replaces standard dip-and-bake insulation methods. The motor stator windings are placed under vacuum to extract air and moisture, then resin is introduced under pressure to fill all voids. This process creates a solid, moisture-resistant insulation structure that improves dielectric strength, mechanical rigidity, and heat dissipation, which is crucial for high-voltage operations.
How do VFD-driven motors (YVFE3/4/5) handle shaft voltage issues and insulation stress?
VFDs generate high-frequency pulses that can cause electrical discharges across motor bearings, leading to pitting and premature failure. Our VFD-optimized motors feature reinforced Class H insulation, and options for insulated bearings or grounding rings to divert parasitic currents safely to the frame, ensuring reliable operation.
What criteria determine the choice between synchronous motors (TDMK, TD) and asynchronous motors?
Asynchronous (induction) motors are popular due to their simpler construction and lower maintenance requirements. However, for high-capacity applications (typically over 1,000 kW) with slow speeds—such as mine ball mills—synchronous motors are preferred. They offer high operating efficiency, precise speed control under variable loads, and the ability to improve power factor correction for the plant's electrical grid.
How does SIMO Motor ensure explosion-proof safety in coal mines (YBK3) and hazardous areas (YBX4/YBX5)?
Our flameproof series are built with heavy cast-iron or steel enclosures that contain internal explosions without igniting external combustible gases or coal dust. Fits and seals are engineered to cool escaping flame paths. These motors comply with international explosion-proof standards, including ATEX, IECEx, and China's national Ex certifications.

Premium Induction & Synchronous Motors - Selection Part II

Explore additional high-voltage, flameproof, and custom DC motor options for specific industrial processes.

OEM YBX4 Series Three-phase Asynchronous Ex motors

OEM YBX4 Series Three-phase Asynchronous Ex motors used in hazardous area

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Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors

Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors

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Custom Z series medium size DC motor

Custom Z series medium size DC motor Manufacturer, Suppliers

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China YBK3 Flameproof motor for underground coal mines

China YBK3 Flameproof motor for underground coal mines

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Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors

Discount YE5 IE5 Three Phase Ultra Premium Efficiency Motors

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OEM YKK 6kV 10kV series High Voltage three-phase induction motor

OEM YKK 6kV 10kV series High Voltage three-phase induction motor

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OEM YKS 6kV 10kV series High Voltage three-phase induction motor

OEM YKS 6kV 10kV series High Voltage three-phase induction motor

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China YFB4 series Dust explosion-proof three-phase asynchronous motor

China YFB4 series Dust explosion-proof three-phase asynchronous motor

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