Gold Member Since 2017
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Hebei Julun Trading Co., Ltd.

Yr Motor, Yrkk Motor, High Voltage Motor manufacturer / supplier in China, offering Yrkk Series Large Size High Voltage Wound Rotor Slip Ring Motor Yrkk10004-12-2800kw, Large-Sized High Voltage Wound Rotor Slip Ring 3-Phase Asynchronous AC Electrical Induction Motor Series Yr2500-10/1730-2500kw, Large/Medium-Sized High-Voltage Wound Rotor Slip Ring 3-Phase Asynchronous Motor Yrkk5005-8-355kw and so on.

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Supplier Homepage Product Slip Ring Motor Yrkk Series Large Size High Voltage Wound Rotor Slip Ring Motor Yrkk10004-12-2800kw

Yrkk Series Large Size High Voltage Wound Rotor Slip Ring Motor Yrkk10004-12-2800kw

FOB Price: US $1,000-11,890 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000-11,890/ Piece
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Port: Tianjin, China
Production Capacity: 500 Sets Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Yrkk10004-12-2800kw
  • Operating Speed: Constant Speed
  • Species: Yr Wound Rotor Slip Ring Motor
  • Casing Protection: Protection Type
  • Starting Mode: Serial Rotor Resistance Starting
  • Brand: China Motor
  • Protection: IP44 or IP54,IP55
  • Output Power: 1250kw
  • Duty: S1
  • Stator Winding: 100% Red Copper
  • Driving: Steel Rolling Mill, Cement Mill,Sugar Rolling Mill
  • Transport Package: Plywood Case
  • HS Code: 8501530090
  • Application: Industrial
  • Number of Stator: Three-Phase
  • Rotor Structure: Winding Type
  • Number of Poles: 10
  • Certification: ISO9001, CCC, Ce
  • Voltage: 3kv/6kv/6.6kv/10kv/11kv
  • Nsulation Class: F
  • Cooling Method: IC611/IC616
  • Frequency: 50Hz/60Hz
  • Rotor Winding: 100% Red Copper
  • Trademark: JULUN
  • Origin: Shijiazhuang, China
Product Description
 380v~11kv YR/YRKK series high and low voltage wound rotor slip ring motor 
 
Product Description
Applicable to full load start mechanical equipment, heavy start mechanical equipment, start the current is small, starting torque.
Winding rotor through the string resistance to start, to reduce the starting current, to ensure that the starting torque unchanged.
Start mode, frequency sensitive variable resistance start, water resistance start.
The use of equipment industry: rolling mill, sugar mills, hoists, ball mill and other heavy equipment, in metallurgy, mining, and other fields are widely used.
Advantages:
High efficiency,Energy-saving,Low Noise,Low vibration,High start torque,Low start current,
Light weight and reliable performance.Easy for installation and maintenance.
Overview of motor structure:
The stator rotor core:
(1) stator rotor core is the use of low loss, high permeability, high stacking coefficient, the surface of the insulating film adhesion and good weldability, no time, the thickness of 0.5mm electrician high-quality grain non-oriented cold rolling Silicon steel sheet laminated. Cold rolled silicon steel sheet performance indicators should not be less than GB2521-88 requirements, the material used by the performance of not less than 50W310. Each piece of silicon steel sheet should be no burr, both sides coated with F-class insulation material paint to reduce the eddy current loss.
(2) stator rotor core ventilation groove layout so that the air flow smooth and smooth, so that the stator rotor core is fully cooled, the wind resistance loss is small.
Stator rotor windings:
1 stator winding with F-class insulation material, the end of a reliable fixed and banding. Stator coil using domestic high-quality manufacturers to provide the F-class insulation grade enameled wire or double glass fiber flat copper wire around the system. In the manufacturing process after several inter-turn pulse voltage test and ground pressure test, and the use of foreign advanced vacuum pressure impregnation solvent-free paint equipment and process (VPI) treatment. Has a good anti-corona and anti-corrosion resistance, in the groove, the end of the site to take anti-halo measures.
2 rotor windings: the use of flat copper row bending, F-class insulation mica wrapped in the manufacturing process with silver copper argon arc welding, and the use of foreign advanced vacuum pressure impregnation solvent-free paint equipment and process (VPI) treatment. Has a good anti-corona and anti-corrosion resistance, in the groove, the end of the site to take anti-halo measures.
Therefore, the motor insulation performance is excellent and reliable, good mechanical strength, moisture resistance.
Case:
the use of domestic high-quality 45 # steel plate welded processing, with surface processing size tolerance should be less than 0.01mm, to ensure the mechanical properties of the motor.
 
Spindle
(1) Spindle material with forged 45A steel.
Spindle processing after the vertical degree of  not more than 0.01mm / m;
the spindle should be all finished, and the bearing parts of the surface and guide bearing, the following a circle of surface polished for the measurement of swing with.
Machine experiment
Pilot projects
Mechanical inspection/
Determination of DC resistance
Determination of insulation resistance
No load test
Determination of vibration and temperature rise
Determination of open circuit voltage of rotor
Stall test
Winding to ground pressure
Turnstrap test
30KV DC leakage test (only 10KV motor)
 the motor withstand voltage, inter-turn impact test numerical table
Item Procedure and part nameTest phasePressure value vTest itemtimeTurn-to-turn voltage v
Low
voltage
stator windingwiring2Un+1500phase, the ground1min 
Into the furnace before2000 to ground1min2500
 Rotor windingwiring (welding) before2U2+2000phase, to ground1min
 
 slip ringBefore assembly3000phase, to ground1min
high
voltage
StatorAfter the coil is manufactured2.75Un+4.5to ground1min2Un+2.5 (2Un+2.5)×75%
 
Before wiring2.5Un+2.5to ground1min
After wiring, wrap the insulation2.25Un+2.0phase, to ground1min
Un- -rated voltage of the motor         U2- -rotor voltage
 
Comparison of different series High Voltage motors

No.
Squirrel-cage motorYYKKYKSY2
Slip ring motorYRYRKKYRKS/
1StructureBox-type construction, made up of steel plates welded with each otherCompact struction
2Cooling methodIC01 or (IC11, IC21, IC31)IC611 or IC616IC81WIC411
3Natural ventilation, with top mounted protection coverWith top mounted air-air coolerWith top mounted air-water cooler 
4Protection typeIP23IP44 or IP54IP44 or IP54IP54
5InsulationF
6Mounting arrangementIMB3
7Voltage available3kv, 3.3kv;      6kv, 6.6kv;      10kv, 11kv
8Frequency available50Hz , 60Hz
 
 
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