Industrial grade electric drives engineered for peak reliability, thermal headroom, and high energy efficiency compliance.
Decarbonization, Compliance, and Supply Chain Consolidation in Heavy Industrial Drives
In modern industrial manufacturing, global procurement heads face unprecedented hurdles when sourcing IEC electric motors. The shift toward net-zero manufacturing and rising energy tariffs has driven a demand spike for premium efficiency systems. According to the International Energy Agency (IEA), electric motor-driven systems account for over 53% of global electricity consumption. Transitioning to high-efficiency platforms (IE3, IE4, and the emerging IE5 standards) directly mitigates carbon scope emissions and trims operational expenditure (OPEX).
Furthermore, regional safety legislation introduces complexity. Adapting a unified design layout for project environments requiring ATEX Zone 1/21 or IECEx Zone 2/22 demands a supplier with robust engineering depth. By aligning global logistics pipelines, verified local standard compliance, and standardized frame mounts, international enterprises can achieve minimal system downtime, rapid part replacement, and optimized Total Cost of Ownership (TCO).
Authorized Distributor of Wolong Electric Drive Group Co., Ltd.
Shaanxi Nanfang Motor Technology Co., Ltd. serves as the premier authorized distributor of Wolong, one of the world's most comprehensive and dominant electrical manufacturing conglomerates. Founded in 1984 and listed on the Shanghai Stock Exchange in 2002 (code SH600580), Wolong has achieved global leadership through strategic technology integration and expansion. With 3 world-class corporate manufacturing bases, 39 advanced factories, and 3 high-tech R&D centers globally, Wolong bridges the gap between scientific advancement and heavy industrial applications.
Synergizing the legacy and technology of the industry's most trusted manufacturers
Acquired in 2011 (97.94%). One of the top European motor manufacturers, containing legacy industrial drive technology from Austria and the UK.
Over a century of experience. Famous for premium energy-efficient low/medium voltage AC motors, including the "W" and "10" series.
Boasting nearly 130 years of history, Morley is highly esteemed in underground coal mining, known for explosion-proof safety and robust build.
Pioneering design for low starting current systems. Historically trusted by British nuclear installations and naval vessels.
Established in 1882. A gold standard in German engineering for custom high-power drives, steel processing, and petrochemical test stations.
Collaborated since 1999. The leading global brand for heavy industrial vibration motors and high-precision vibration sensors.
Joined Wolong in 2015. China's largest research and production base for explosion-proof machinery and high-voltage motors.
Integrated GE Industrial Motors division in 2018, blending Wolong's scale with GE's historic presence in North American heavy industry.
Delivering compliant, efficient, and versatile drive systems to mitigate industrial risk
Comprehensive explosion protection certifications, meeting rigorous Class I Div 1/2 and Zone 1/21 international guidelines to safeguard dangerous chemical and oil installations.
Active development of permanent magnet synchronous motors (PMSM) and ultra-high efficiency asynchronous systems that dramatically slash utility bills and industrial carbon footprint.
Spanning low, medium, and high-voltage AC motors. We provide bespoke mechanical arrangements, special shaft lines, and heavy-duty frame configurations for any mechanical load.
Wolong coordinates development across centers in Germany, Austria, Japan, China, and the central institute in Shanghai. This ensures structural simulations represent the cutting edge of fluid and electro-magnetic physics.
Utilizing high-integrity flameproof enclosures and composite isolation barriers, our mining drives, such as the Morley series, endure extreme moisture, abrasive dust, and high mechanical shock.
Stators treated with Class F/H Vacuum Pressure Impregnation (VPI) using premium polyester film and glass cloth tape, ensuring optimal dielectric strength and humidity resistance.
A closer look at the advanced materials and engineering of Wolong systems
Our squirrel-cage rotors are designed with cast aluminum or high-grade copper bars depending on starting requirements and application torque. High-purity aluminum is injected via centrifugal casting or high-pressure die casting, creating a monolithic structure with integrated rotor bars and end-rings. This reduces thermal joints, delivering consistent and predictable starting torque.
For high-capacity HV units, copper-bar architectures utilize specialized induction brazing on the short-circuit rings. Additional containment rings prevent centrifugal deformation during high-speed VFD operation.
The electric core of the motor features a stator winding system made of high-conductivity electrolytic copper wire wrapped in premium polyester film and glass cloth. We utilize low-powder or medium-powder mica tape with high mica concentration to establish excellent thermal barrier properties.
The entire stator assembly undergoes Vacuum Pressure Impregnation (VPI) with solventless resin. This process expels air pocket voids, preventing partial discharges (corona effect) and guaranteeing excellent mechanical rigidity, heat dissipation, and moisture protection under cycling loads.
The motor enclosure frame is simulated using comprehensive structural and fluid multi-physics systems to balance weight, airflow, and vibration modes. Constructed from high-tensile cast iron or fabricated structural steel, the frame offers substantial structural margin.
By engineering natural frequency isolation margins directly into the frame ribs, the motors withstand heavy external mechanical shock loads, ensuring low vibration levels and extended bearing lifetime.
To comply with stringent industrial sound pressure regulations, the drive ventilation features a low-noise fan cover system. It integrates an air guide cylinder, high-strength protective mesh, and sound-absorbing acoustic dampeners.
The air intake is strategically positioned on the side to prevent blockage by adjacent industrial frameworks. Additionally, the assembly is rated IP22, preventing accidental contact with rotating parts while optimizing heat transfer.
Facilitating seamless border passage and compliance across all major jurisdictions
Nemko / ATEX
CSA Standard
CE Compliance
CCC Mark
SABS Approved
TestSafe Mining
By conforming to diverse global verification processes, Shaanxi Nanfang Motor Tech eliminates barriers for international OEMs and engineering firms:
Providing custom drive solutions across major industries
Wolong motor designs are integrated into mechanical drive trains across industries globally. Engineered to match the starting characteristics of centrifugal loads, heavy friction conveyors, and gas compression cycles:
Oil & Gas / Petrochemical: Driving high-flow process pumps, cooling tower fans, and pipeline compressors. These locations require continuous operation alongside explosion protection (Zone 1 or Zone 2 protection with Ex d, Ex e, or Ex p techniques).
Mining & Minerals: Powering longwall coal shearers, high-torque bulk material conveyors, crushers, and ventilation fans. Designs like the Morley and Nanyang series feature thick cast-iron casings to resist rock impacts and heavy environmental dust.
Power Generation & Water Management: Supplying low-starting-current Laurence Scott motors and high-voltage synchronous drives for boiler feed pumps, water treatment circulation, and cooling loops.
Digitalization, Ultra-High Efficiency, and the Intelligent Edge
The industrial electric motor industry is undergoing a digital transformation. Wolong and Shaanxi Nanfang Motor are at the forefront of this evolution, developing technologies to support the factories of tomorrow:
Smart Sensors & Predictive Maintenance: Future-oriented configurations can be pre-equipped with diagnostic sensors that continuously track surface temperatures, acoustic anomalies, and radial vibration metrics. By processing this telemetry locally or uploading it to cloud systems, operators can detect bearing wear or winding degradation before a critical failure occurs.
Transitioning to IE5 Permanent Magnet Technology: While induction motors remain a reliable industry choice, Permanent Magnet Synchronous Motors (PMSMs) offer significant advantages, particularly under partial load conditions. Our engineering teams are designing robust PM rotor geometries that reduce reliance on critical rare-earth metals while achieving high torque-to-weight ratios.
Integrated VFD Optimization: To maximize the energy-saving potential of Variable Frequency Drives, our motors are engineered to withstand the high-frequency voltage spikes generated by modern IGBT pulse width modulation (PWM) drives. This includes incorporating insulated non-drive-end bearings and grounding brushes to prevent electrical pitting.
Streamlined logistics, engineering support, and post-installation service
Partnering with Shaanxi Nanfang Motor provides access to Wolong's international network of 39 production plants, field engineers, and authorized repair facilities. This layout ensures fast response times for multi-national projects:
Custom Engineering Capabilities: We recognize that standard models do not fit every legacy footprint. Our engineers can adapt shaft designs, customize terminal box locations, add special RTD configurations, and apply severe-duty paint systems (such as ISO 12944 C5-M for offshore marine settings).
Optimized Supply Chain Logistics: Utilizing structured shipping pathways and local warehousing facilities, we reduce delivery times for critical components, helping project managers stay on schedule.
Expert answers to common technical and procurement questions
Explosion-proof, variable-frequency, and specialized drive architectures for critical operations.
NANFANG
