IEC Standard/ GOST Standard Medium Voltage Electric Motors/Asynchronous Motors
Y (A4), YKK(DAZO) series high-voltage three-phase asynchronous motor (framesize 355~1120mm) is a series of products developed by our company by introducing, absorbing and digesting 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 the company's over seventy years of experience in manufacturing medium and large high-voltage AC motors; the manufacturing of high-quality materials and scientific processing technology, so that it has the advantages of high efficiency, low noise, low vibration, high reliability and easy installation and maintenance.
The series products are mainly used in general mechanical equipment such as fans, pumps, compressors, crushers, chip machines, transportation machinery or other similar mechanical equipment in petroleum, chemical, coal, power station, metallurgy, transportation, textile, pharmaceutical and grain processing industries.
Power range: 0.55KW ~20,000KW
Voltage range: 380V to 13.8KV
Shaft height: 355mm-1120mm
Raw Materials
Frame: Cast iron, steel
Stator: Copper
Rotor: Copper/aluminum
Shaft: ASTM1045 Steel
Bearing: SKF, FAG or equivalent Chinese brands
In-process Inspection/ Quality Control
All the measuring apparatus and instruments are calibrated each year.
Quality inspection and control for each item
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Name |
Inspection item |
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Coil |
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Iron Core |
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Frame |
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Rotor |
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Shaft |
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2 Finish machining check |
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Stator |
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3 Inserting winding check |
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Assembly |
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3 Cleaning check inside the motor |
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4 Shaft center height and installation size check |
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Test |
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Test Items
Each motor must be tested before leaving the factory. Only all the items are qualified, can the motor be delivered. Each motor will have a test report.
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Routine test items Winding three-phase DC resistance Winding insulation resistance to ground Winding withstand voltage test No-load current No-load power No-load loss Three-phase no-load current imbalance Locked rotor current Locked rotor torque Maximum torque Rotation direction Vibration: horizontal, vertical, axial Noise … |
Type test items Full load input power Full load current Stator winding loss Rotor winding loss Iron loss Mechanical loss Other losses Full-load slip ratio Stator winding temperature rise Bearing temperature Thermal winding insulation resistance Overload test Full-load power factor Efficiency ... |
Paintings
Standard painting thickness: 120microns (40 micron priming paint + 80micron finish paint)
With professional certified painters, we can mix and paint any color according to your requirements.
Packaging
Standard seaworthypackage for export
Plywood package or wooden fumigation package
Suitable for long distance transportation by sea
Warranty Period
Standard warranty: 12 months after commissioning, or 18 months after delivery, whichever comes first.
Changli Electric Motor is a leadingmedium voltage electric motor supplier, offering a wide range of high-performancemedium voltage electric motorsdesigned for a variety of industrial applications. Our motors are built for durability, energy efficiency, and reliable operation in industries such as manufacturing, power generation, water treatment, and mining.
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