Advantages & Features

Developed by Changli through in-depth R&D and technology absorption from Westinghouse (USA) and LDW (Germany), the YR Series Wound Rotor Three-Phase Asynchronous Motors represent a premium advanced motor lineup. Boasting more than 70 years of experience in high-voltage motor design and production, we integrate world-leading international technologies with our mature proprietary expertise to manufacture long-lasting, high-performance motor products. The series comes in two cooling type submodels: YRKK and YRKS. Customized to satisfy various industrial cooling demands, they deliver outstanding versatility and stable reliability across a full spectrum of working scenarios.

Y, YKK Series High-Voltage Three-Phase Asynchronous Motors Covering frame sizes ranging from 355 mm to 1120 mm, the Y and YKK series high-voltage three-phase asynchronous motors are self-developed premium products of our company. We integrate state-of-the-art domestic and international technologies and deploy modern field analysis technology to carry out accurate electromagnetic computation. Every component undergoes optimized design with meticulous calibration of power loss, wind resistance and structural strength. With more than 70 years of expertise in producing medium and large high-voltage AC motors, paired with a mature, stable design and production system, we manufacture this series using premium raw materials and standardized processing techniques. The motors deliver prominent strengths including high efficiency, low noise, low vibration, outstanding operational dependability, plus simple installation and convenient maintenance.

Y, YKK series high-voltage three-phase asynchronous motors (frame size 355~1120mm) are a series of products developed by our company by introducing advanced technology at home and abroad, adopting modern advanced field analysis technology for electromagnetic calculation, and making fine calculation and optimal design for various losses, wind resistance and strength of each component of the motor. The series of products are developed through mature and reliable design and production system, combined with more than seventy years of experience in manufacturing medium and large high-voltage AC motors; with high-quality materials and scientific processing technology in manufacturing, the motors have the advantages of high efficiency, low noise, low vibration, high reliability and easy installation and maintenance.

Polished Professional Version (for product catalog) A4 Series and Y Series high voltage induction motors enjoy extensive application across multiple industries, including cement plants, mines, steelworks, metallurgical facilities, chemical factories, oil & gas industries and more. We are capable of manufacturing and customizing A4 Series three-phase asynchronous motors fully compliant with GOST standards. Technical Parameters Frame size: 355 mm – 1120 mm Power range: 220 kW ~ 12500 kW Poles: 2 – 16 poles Rated voltage: 3300 V, 4160 V, 6000 V, 6300 V, 6600 V, 10000 V, 11000 V, 13200 V Rated frequency: 50 Hz Protection class: IP23 Cooling method: IC01 Mounting arrangement: IC01 Rotation direction: Clockwise (CW) / Counter-clockwise (CCW) Minor corrections & optimization notes minings → mines; metallurgic plants → metallurgical facilities / metallurgical plants Standard unit format: kW, Hz, V with consistent spacing Fixed typo 132000V to 13200V (likely input slip error) Distinguished Cooling / Mounting with standard industry terms "method / arrangement" Rewrote stiff sentence "in conformity with" to natural industrial wording "fully compliant with" Removed redundant "etc." after listing complete major industries

Frame size: 355 mm ~ 1120 mm Power: 200 kW ~ 20 MW Number of poles: 2 ~ 16 poles Rated voltage: 3300 V, 4160 V, 6000 V, 6300 V, 6600 V, 10000 V, 11000 V, 13200 V Rated frequency: 50 Hz Protection degree: IP23 Cooling method: IC01 Mounting arrangement: IM1001 Rotation direction: Bi-directional

High-Voltage Asynchronous Motors The YKK series high-voltage three-phase asynchronous motors cover frame sizes from 355 mm to 1120 mm. Independently developed by our company, this product range integrates advanced domestic and overseas technologies. We adopt state-of-the-art field analysis technology for electromagnetic computation, with precise calculation and optimized design for power losses, wind resistance and structural strength of every component. Supported by our mature, stable design and production system and more than 70 years of experience manufacturing medium and large high-voltage AC motors, the motors are fabricated with premium raw materials and standardized processing techniques. They feature high efficiency, low noise, low vibration, excellent operational reliability, as well as convenient installation and maintenance. This series primarily drives general industrial machinery including fans, pumps, compressors, crushers, chip removing machines and conveying equipment. It serves petroleum, chemical, coal, power plant, metallurgical, transportation, textile, pharmaceutical and grain processing sectors. II. Advantages & Characteristics By digesting advanced domestic and international technologies, we adopt field-circuit coupled electromagnetic design for the YKK series. This greatly boosts electromagnetic calculation accuracy and delivers precise maximum torque multiple values, fully securing the motors’ reliable overload capacity. Finite Element Method (FEM) mechanical analysis is applied throughout structural design and repeatedly validated through field operation data. Accurate boundary conditions are set for mechanical models to optimize material utilization and suppress motor vibration and noise. FEM analysis fits all cooling configurations and realizes high-precision, visualized air flow distribution simulation. It elevates the accuracy of temperature rise prediction during design, cuts ventilation losses and further lifts overall motor efficiency.

The 2000KW High Voltage Electric Motor is a reliable and efficient solution designed for demanding industrial applications. Covering a wide power range from 0.55KW to 20,000KW and voltage levels from 380V to 13.8KV, it delivers stable performance under heavy-duty operating conditions. This series is widely applied in general mechanical equipment such as fans, pumps, compressors, crushers, chip machines, and transportation machinery. It is also suitable for use in key industries including petroleum, chemical, coal, power stations, metallurgy, transportation, textile, pharmaceutical, and grain processing. With strong overload capacity, high efficiency, and durable construction, the motor ensures long service life and reduced maintenance costs, making it an ideal choice for industrial systems requiring continuous and reliable power output.

High-Voltage Three-Phase Asynchronous Motors The YKK series high-voltage three-phase asynchronous motors cover frame sizes from 355 mm to 1120 mm. Independently developed by our enterprise after absorbing advanced domestic and international technologies, this series adopts state-of-the-art field analysis techniques for electromagnetic computation. Every component undergoes precise calculation and optimized design to minimize power losses, reduce wind resistance and enhance structural strength. Supported by a mature, stable design and production system as well as over 70 years of experience manufacturing medium and large high-voltage AC motors, the motors are produced with premium raw materials and precise machining processes. They deliver prominent strengths including high efficiency, low noise, low vibration, outstanding operational reliability, and convenient installation & maintenance. This motor series is widely applied to drive general industrial machinery such as fans, pumps, compressors, crushers, chip removal machines and conveying equipment. It serves industries including petroleum, chemical engineering, coal mining, power plants, metallurgy, transportation, textile, pharmaceutical and grain processing. II. Advantages & Technical Features Drawing on advanced domestic and foreign technologies, we adopt field-circuit coupled electromagnetic design for the YKK series. This method greatly boosts electromagnetic calculation accuracy and delivers precise maximum torque multiple values, which reliably guarantees the motors’ excellent overload capacity. Finite Element Method (FEM) mechanical analysis is fully deployed in structural design and continuously validated through field operation data. Accurate boundary conditions are set for mechanical models to optimize material utilization and effectively suppress motor vibration and noise. Meanwhile, FEM analysis adapts to all cooling configurations and enables high-precision, visualized airflow distribution simulation. It improves the accuracy of temperature rise prediction during the design stage, cuts ventilation losses and further raises the overall energy efficiency of the motors.