• Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor
  • Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor
  • Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor
  • Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor
  • Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor
  • Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor

Ye3-112m-4 4kw AC High Efficient Low Voltage Three Phase Asynchronous Induction Motor

Application: Industrial, Universal, Household Appliances, Power Tools
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Ye3 Series
Rotor Structure: Squirrel-Cage
Casing Protection: Closed Type
Samples:
US$ 100/Piece 1 Piece(Min.Order)
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Customization:
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Manufacturer/Factory, Group Corporation

Basic Info.

Model NO.
YE3-112M-4
Number of Poles
2, 4, 6, 8, 10, 12
Starting Mode
Direct on-line Starting
Certification
ISO9001, CCC, CE
Brand
Changli
Insulation
F
Protection
IP23/IP55
Cooling Method
IC01, IC411
Power
0.75kw-315kw
Voltage
380V/400V
Transport Package
Seaworthy Package
Trademark
CHANGLI
Origin
China
HS Code
8501510090
Production Capacity
5000000

Product Description


Product Description
YE3 series small sized low voltage three-phase induction motor (H80~355) is national united designed series motor with excellent performance, YR315 ~ YR355 series small sized low voltage induction motor has been designed and developed in 1980s and through 30 years' development, now they already have reached to consummation. The products have been produced in a large volume and exported to more than 30 countries and regions all over the world, and they have got the good appraisal form the users.
This series products adopt the high quality materials, good manufacturing process, have the characteristics of high efficiency and energy-saving, small vibration, reliable operating and convenient for mounting and maintenance etc.
The power grade, electric property, mounting dimensions and tolerance are coincident with national standard GB755 Rotating Electric Motor Rating and Property, International Electrical Committee standard IEC34-1 Rotating Electric Motor Rating and Property, and machinery industry standards JB/T10391-2002 etc.
The enclosure protections of this series of motor are IP44, IP54 and IP55 in accordance with the standard of GB4942.1 and IEC34-5 Enclosure Protection Levels of Rotating Electrical Machine.
The cooling method is IC411 in accordance with the standard of GB/T1993 and IEC34-6 Cooling Methods of Rotating Electrical Machine.
The structure and Installation method of this series of motor is IMB3 (horizontal with footing, end cover without flange) IMB5 (frame without footing, end cover with flange), IMB35 (frame with footing, end cover with flange), which complies with the specifications of GB997 and IEC 34-7 Motor Structure and Mounting Type Code.
This sample table lists the technical data and installation sizes of 380V level series motor, and may derive the 440V and 660V level motors in all sizes.

Applications
This series of motor may be used for driving all kinds of general machines such as the compressor, ventilation fan, water pump, stock-removing machine, transportation machines and other mechanical equipment, and are applied as the prime mover in all industrial and mining enterprises such as the mine, machinery, petrochemical industry and power plant, etc. If the users place an order for the motors that are used for driving the machines with huge rotary inertia such as the blower, coal grinder, rolling machine, crusher, belt machine, etc., they shall provide us with relevant technical data, sign the technical agreement with us as the basis for specific design of motor to ensure the reliable operation of motor.
Normal operation conditions for motor:
  1. Sea level is not over 1000m;
  2. The highest ambient temperature is not over 40ºC, The lowest ambient temperature is -15ºC;
  3. In moist month, the monthly overage highest relative humidity is 90%, at the same time, the monthly overage lowest temperature is not over 25ºC;
  4. The frequency of power source is 50Hz±l%;
  5. The variation of work voltage is not over rated voltage±5%;
  6. Motor rating is continuous operation system SI.
Construction Description
The frame and end-shield of this series motors are made of cast iron; the stator employs the external pressing structure. Stator winding (H315, 355) is composed of flat copper formed hard coil or circular copper soft formed coil; the winding is made of class F or H insulation; the fixing of winding terminals employs the reliable special binding process. The whole stator employs the vacuum pressure impregnation class F solventless paint (VPI) for treatment. Thus, the motor has the excellent and reliable insulation performance and damp-proof and shock resistance.
This series motor's squirrel cage rotor adopts cast-aluminum rotor running reliably. The wound rotor adopts F class insulation material, and employs the vacuum pressure impregnation class F solventless paint (VPI) for treatment.
The motor employs the rolling bearing structure and the basic protection class is IP55. If the motors have higher protection class, the bearing protection class will be increased accordingly.
The H 315~355 series motor has the special oil filling tools may be used for filling and exhausting the oil without stopping the machine.
The main terminal box employs the sealed structure, and the protection class is IP55. They are installed in the motor's right side (view facing shaft end of the electric motor). It also can be installed in the motor's left side according to the requirement of users. The box has the separate grounding terminals.

Starting of Squirrel Cage Type Induction Motor
The rotor of induction motor has adopted the advanced computer technique to calculate the temperature and pressure of the squirrel rotor, thus to avoid the motor's destroy at an early period because of the motor's overloaded while starting. So we suggest users to check the items as below:
  1. The moment of inertial (after being converted to motor's rotating speed) of the rotating part of the driven mechanical equipment should not over these values of (loading J) item shown in the technical table;
  2. Customers should guarantee the voltage of electric network across the motor's terminals not lower than 85% of the rated value during starting;
  3. The resistance moment feature of driven machines is the resistance moment feature of water pump and fan.

Technical Specifications
Frame size: 80 ~ 355mm
Power: 0.75-315KW
Number of poles: 2P, 4P, 6P, 8P,10
Energy efficiency level: YE3
Duty type: S1
Rated voltage: 380V
Rated frequency 50Hz/60Hz
Protection level: IP55(IEC34-5).
Cooling method: IC411(IEC34-6)
Features: beautiful appearance, high efficiency and energy saving, Class F insulation, protection level IP55, low noise, low vibration and reliable and stable operation.

Raw Materials
Frame: Cast iron, steel
Stator: Copper
Rotor: Copper/aluminum 
Shaft: ASTM1045 Steel
Bearing: SKF 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
Name   Inspection item
Coil 1. Physical and chemical tests for raw materials
2. Coil winding process inspection
3. Winding dimension inspection
Iron Core 1. Physical and chemical test report for silicon steel sheet material
2. Lamination burrs and paint film inspection
3. Dimensional inspection of laminated steel sheet
Frame 1.Cold welding parts conformity certificate
2. Finish machining inspection
Rotor 1. Rotor core lamination inspection
2. Conducting bar welding
3. Check the material, appearance, conductivity and size of the conducting bar end ring
4. Check the fastening of the conducting bars in the slots
5. Dimensional check, including iron core outer diameter
6. Dynamic balance correction
Shaft 1. Raw material , annealing check
2 Finish machining check
Stator 1. Iron core compactness check
2. Check iron core length and section length
3 Inserting winding check
4. Iron consumption check
Assembly
  1. Plain bearing size and surface quality check
2. Check the size of the air gap, the coincidence of the axial centerline of the stator and rotor core, the gap of inner fan and windshield
3 Cleaning check inside the motor
4 Shaft center height and installation size check
Test 1. Routine test
2. Type test

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.
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 seaworthy package 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.
If you would like to extend the warranty period, please contact us for details.

 

 

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