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Changsha Changli Group Co., Ltd.
Its core business is electric motor manufacturing.
Key products include standard asynchronous motors, variable-frequency speed-regulating motors, permanent magnet motors, high-efficiency energy-saving motors, wound-rotor motors, and large synchronous motors.
These products have a wide range of applications.
They are used in industries such as metallurgy, papermaking, chemicals, cement machinery, electric power, and water conservancy, and are exported to regions including Europe, Southeast Asia, the United States, and Russia.
Product Information
Our product range includes low-voltage motors, standard IEC motors (IE3, IE4, IE5), NEMA standard and high-efficiency motors, GOST ANP series motors, etc.
Standard asynchronous motors (Y, YKK, YKS, YXKK, YRKK, and YL series), variable frequency drive motors (YSPKK series), etc.
Explosion-proof motors (YB, YBX series, etc.).
Standard synchronous motors (T, TK, TM, TDMK, and TFW series), etc.
Permanent magnet motors (TYC, GCS/F series, etc.).
Replacement motors (M3BP, AMI, AXR, HXR, NXR, and NMI series), etc.
Marine motors, special-purpose motors, etc.
Power range: 0.18 kW – 20,000 kW.
Voltage range: 380V – 13.8kV.
Shaft height: 80 mm – 1120 mm.
We have obtained relevant certifications, including ISO9001, ISO14001, ISO45001, CE, ATEX, NEMA, CCS, RS, etc.
Product Advantages
Customizable Power Range: Rated power ranges from 250 kW to 10,000 kW to meet diverse industrial requirements.
High Efficiency and Reliability: Features low noise, low vibration, and robust operational capabilities, ensuring safe performance.
Advanced Insulation System: Utilizes Class F insulation materials with a Class B temperature rise rating to extend service life.
Comprehensive Protection: Includes temperature monitoring, anti-condensation heaters, and protection ratings ranging from IP00 to IP44.
Customizable Voltage Options: Supports 3000V, 3300V, 6kV, 6.6kV, 10kV, and 11kV for global compatibility.
Flexible Cooling Methods: Offers IC01, IC37, and IC81W cooling options tailored to user needs.
Customizable Color: Professional painters can mix and apply any color based on customer specifications.
Robust Structural Design: Welded steel plate bases and end shields ensure stability and durability.
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Overview
TK series of large three-phase synchronous motors for air compressors are high-performance series products specially designed and developed by our company for air compressors.This serie of motors adopt new technology, new materials, new process, and is carefully selected and well-made. It has the characteristics of small size, light weight, beautiful shape, high efficiency, low noise, low vibration, safe and reliable operation, and easy use and maintenance.
Implementation standards
IEC60034-1 Rotating Electrical Machines - Part 1: Rating and Performance
IEC60034-7 Rotating Electrical Machines - Part 7: Classification of Types of Construction, Mounting Arrangements and Terminal Box Position (IM Code)
IEC60034-8 Rotating Electrical Machines - Part 8: Terminal Markings and Direction of Rotation
IEC60034-6 Rotating Electrical Machines - Part 6: Classification of Cooling Methods (IC) Code
IEC60072-1/IEC60072-2 Dimensions and Output Series for Rotating Electrical Machines - Part 1: Frame Numbers 56 to 400 and Flange Numbers 55 to 1080/ Part 2: Frame Numbers 355 to 1000 and Flange Numbers 1180 to 2360
IEC60034-5 Rotating Electrical Machines - Part 5: Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP code) - Classification
IEC60034-14 Rotating Electrical Machines - Part 14: Mechanical Vibration of Certain Machines with Shaft Heights 56mm and Higher - Measurement, Evaluation and Limits of Vibration Severity
IEC60034-9 Rotating Electrical Machines - Part 9: Noise Limits
IEC60034-11 Rotating Electrical Machines - Part 11: Thermal Protection
IEC60034-2 Rotating Electrical Machines - Part 2-1: Standard Methods for Determining Losses and Efficiency from Tests
IEC 60034-18-1 Rotating Electrical Machines - Part 18-1: Functional Evaluation of Insulation Systems - General Guidelines
IEC 60085 Electrical Insulation - Thermal Evaluation and Designation
ISO 281 Rolling Bearings - Dynamic Load Ratings and Rating Life
GB14711-2016 General Requirements for Safety of Small and Medium Size Rotating Electrical Machines
JB/T 8667.1 Technical conditions for large three-phase synchronous motors Part 1: TK series
Basic technical parameters
Power range: 250~10000kWRated voltage: 6000, 10000VRated speed: 250, 273, 300, 333, 375, 428, 500, 600r/minRated frequency: 50HzProtection degree: IP00, IP20, IP23, IP44Insulation level: FRating: S1Cooling method: IC01, IC37, IC81WInstallation method: IM7311, IM5710, IM7312, IM7315*Other parameters can be manufactured according to user needs
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Raw Materials
Frame: Cast iron, steelStator: CopperRotor: Copper/aluminum Shaft: 45# SteelBearing: SKF, or equivalent
Test Items
Each motor must be tested before leaving the factory. After the motor is qualified, the motor can be shipped out. Each motor will have a test report.
| Routine test itemsWinding three-phase DC resistanceWinding insulation resistance to groundWinding withstand voltage testNo-load currentNo-load powerNo-load lossThree-phase no-load current imbalanceLocked rotor currentLocked rotor torqueMaximum torqueRotation directionVibration: horizontal, vertical, axial Noise | Type test itemsFull load input powerFull load currentStator winding lossRotor winding lossIron lossMechanical lossOther lossesFull-load slip ratioStator winding temperature riseBearing temperatureThermal winding insulation resistanceOverload testFull-load power factorEfficiency |
Packaging & Shipping
Standard seaworthy package for export
Plywood package or wooden fumigation package
Suitable for long distance transportation by sea
Quality Control
All the measuring apparatus and instruments are calibrated each year.
Each coil will be tested during the production
Quality control for each item and each step to make sure the quality
After Sales Service
Standard warranty: 12 months after commissioning, or 18 months after delivery, whichever comes first.If you would like to extend the warranty period to 5 years or longer, it is possible, please contact us for details.
