• Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
  • Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
  • Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
  • Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
  • Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
  • Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)

Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)

Application: Industrial, Universal
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Y, Y2 Series Three-Phase
Rotor Structure: Squirrel-Cage
Casing Protection: Closed Type
Customization:
Diamond Member Since 2017

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Manufacturer/Factory, Group Corporation

Basic Info.

Model NO.
Y355-2-500KW-6KV
Number of Poles
2-16
Starting Mode
Direct on-line Starting
Certification
ISO9001, CCC, CE
Brand
Changli
Rated Power
500kw
Frequency
50Hz, 60Hz
Voltage
3.3kv, 6kv, 6.6kv
Protection
IP44, IP54, IP55, IP56
Cooling Method
IC611, IC616,IC666
Mounting
Im1001, Imb3, Imb5, Imb35
Rotation Direction
Cw/Ccw
Duty Type
S1
Insulation Class
H/F
Sound Pressure Level
85dba
Ambient Temperature
-20 up to 50
Installation Site
Indoor/Outdoor
Bearing
SKF
Space Heater
Yes
PT100
Yes
Transport Package
Standard Seaworthy Packing
Trademark
CHANGLI
Origin
China
HS Code
8501530090
Production Capacity
500000

Product Description

I. Product Description 
Y, YKS, YQF, YKK and YR, YRKS, YRQF, YRKK series high voltage three-phase induction motor is a new product which introduced and developed by our company in 1980s, it has experienced a history of over 30 years. With the improvement of insulation material performance of the motor in recent years, the application of low consumed silicon steel sheet, the enhancement of level, and the optimization and improvement of design, which have the ability to reduce all kinds of consumptions of motors so as to increase the motor capacity. Combined with the experiences in designing and manufacturing of the high voltage three-phase induction motor in the past 60 years, our company has made the latest optimization and design once again to comply with the national and industrial demands. The tests have proved that, the new series of products have reached or been close to the globally advanced level no matter in terms of technical performance or in economic performance. The products have produced in a large volume and exported them to over 40 countries and regions, such as the Europe, America, Africa, Hong Kong and Macao, etc and all parts of China, 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, energy saving, small vibration, reliable operating and convenient for mounting and maintenance.
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 etc.
The enclosure protections of this series of motor include 5 types, i.e. IP23, IP44, IP54, IP55 and IP56 in accordance with the standard of the GB4942.1 and IEC34-5 Enclosure Protection Class of Rotating Electrical Machine. The IP23 motor can be changed to IP44 (pipeline ventilation) or IPW24 (climate protection type). If the users need other protection class, we may also provide relevant products.
There are 3 cooling methods of this series of motor, i.e., IC01, IC611 and IC81W in accordance with the standards of GB/T1993 and IEC34-6 Cooling Methods of Rotating Electrical Machine. If the users need other cooling methods, we may also provide relevant products.
The structure and mounting method of this series of motor is IMB3 (horizontal with footing), and complies with the specifications in GB997 and IEC 34-7 Motor Structure and Mounting Type Code.
This series of motor may be classified into 8 series in accordance with the rotor model, protection class and cooling method:
Model Protection class Cooling method Rotor type
Squirrel cage rotor Wound rotor
Damp proof IP23 IC01 Y series motor YR series motor
Climate protection type IPW24 IC01 YQF series motor YRQF series motor
Air-water cooling enclosed type IP44, IP54, IP55, IP56 IC81W YKS series motor YRKS series motor
Air-air cooling enclosed type IP44, IP54, IP55, IP56 IC611 YKK series motor YRKK series motor
The technical data and external installation sizes of all series of 10kV motors in all sizes listed herein, may derive the 3kV, 10.5kV and 11kV motors in all dimensions.

2. Application 
This series of motor may be used for driving all kinds of Overview 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 does not exceed 40ºC; the lowest ambient temperature of the motor with rolling bearing is -15ºC, and for the motor with sliding bearing is 5ºC; for the lowest ambient temperature of the series YKS, YRKS motor is 5ºC;
  3. For the YKS and YRKS series of motors, the highest temperature of cooled water in the cooling inlet is not exceed 33ºC, and the lowest temperature is 5ºC;
  4. In moist month, the monthly overage highest relative humidity is 90%, at the same time, the monthly overage lowest temperature is not over 25ºC;
  5. The frequency of power source is 50Hz±l%;
  6. The variation of work voltage is not over rated voltage±5%;
  7. Motor rating is continuous operation system SI.
3. Construction Description
Y and YR are the basic series motor, the protection class is IP23, the cooling method is IC01. This may derive the motors with all different protection classes and cooling methods, e.g., YKS (air- water cooling), YQF (climate protection), YKK (air-air cooling), YRKS, YRQF and YRKK series of motors.
The motor employs the internationally popular box structure, and the frame and end cover is welded with steel plate featuring the good stiffness and light weight. After removing the protective cover (or cooler), we may observe and touch the inside of motor, which is convenient for installation and maintenance of motor. The stator employs the external pressing structure. The stator winding employs the F-level insulation material and anti-corona material. The fixing of winding terminals employs the reliable special binding process. The whole stator employs the vacuum pressure impregnation F-level solventless paint (VPI) for treatment. Thus, the motor has the excellent and reliable insulation performance and damp-proof and shock resistance.
The squirrel-cage rotor in this series of motor mostly adopts the cast aluminum rotor, and no breakage of rotor happened, so the operation is very reliable; the squirrel-cage copper bar rotor employs the advanced and reliable welding process, and receives the fixation treatment inside the slot. The wound rotor employs the F-level insulation material and uses the vacuum pressure impregnation F-level solventless paint (VPI) for treatment.
There are two models of bearings, i.e., rolling bearing and sliding bearing. They are classified by the motor power size and rotating speed, and the protection class of basic model is IP44. If the motor has the high protection class, the protection class of bearing will be also improved accordingly.
The motor employs the rolling bearing structure has the oil filling and exhausting equipment without stopping the machine, and the special oil filling tools may be used for filling and exhausting the oil without stopping the machine.
The main outlet box employs the sealed structure, and the protection level is IP54. They are installed on the right side of motor (viewed from the shaft end), and they may also be installed on the left side based on the demands of users. The inlet holes of outlet box may be switched to the upper, down, left and right directions. The box has the separate grounding terminals.

4. Starting of Induction Motor (Y, YKS, YQF, YKK)
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;
The resistance moment feature of driven machines is the resistance moment feature of water pump and fan.
Under the above mentioned conditions, motor may be permitted to be started at actual cold condition for twice continuously, or at hot condition for once, the interval of two times starting is natural stoppage. The restarting of the motor over the above times should be one hour later.
If the moment of inertia of the mechanical rotating part of the driven machinery is over the value shown in (loading J) item of technical data, or there is a requirement to start motor frequently, or it is possible to start the motor under heavy loading, it is necessary to contact with our company for negotiating about specific design so as to ensure the reliable start-up of motor.


Please specify the following items when placing the order:
  1. Motor type: Y500-4
  2. Rated frequency: 50Hz
  3. Rated power: 1000kW
  4. Rated voltage: 6kV
  5. Poles: 4-pole
  6. Protection class: IP23
  7. Cooling method: IC01
  8. Installation method: IMB3
  9. Rotating direction: Clockwise (view facing shaft end of electrical motor)
  10. Position of terminal box: right side of motor (view facing shaft end of electrical motor)
FACTORY PHOTOS 
Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)


 Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)

Raw Materials
Frame: Cast iron, steel
Stator: Copper
Rotor: Copper/aluminum 
Shaft:  45# Steel
Bearing: SKF, or equivalent 

In-process Inspection/ Quality Control
All the measuring apparatus and instruments are calibrated each year.
Quality control for each item
Part   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. After the motor is qualified, the motor can be shipped out. 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 and 80micron finish paint)
With professional painters, we can mix and paint any color according to your choice.

Packaging
Standard seaworthy package for export
Plywood package or wooden fumigation package
Suitable for long distance transportation by sea
Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)Y Series Medium Sized Hv Three-Phase Induction Motor (Frame size 355mm-630mm)
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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