1.Brief introduction
YR,YRKK,YRKS slip ring high voltage ac motors are designed with the application of modern technology resulting in compact machines featuring excellent dynamic properties, meeting the most severe application in areas that include automation and process control.
Besides offering reliability and high performance, which will guarantee long operating periods without requiring any maintenance, YR,YRKK,YRKS high voltage AC motors present outstanding operating features, which include:
(1)Wide speed variation range
(2)Dimensions as per GB and IEC Standards
(3)High efficiency
(4)Low noise level
(5)High moment of inertia
(6)High capacity to dynamic loads
(7)Rugged construction
(8)High vibration resistance
(9)Excellent commutation quality
2.Standard Features
(1)Three-phase, 50, 60 Hz
(2)Voltage: 380 to 11000 V
(3)Rated output: up to 12500kw
(4)Number of poles: 2 ,4,6,8,10 or 12poles
(5)Frame sizes: 450 mm to 630mm
(6)Wound rotor Slip ring
(7)Degree of protection: IP23 to IP54,Totally enclosed
(8)Class insulation F with class 120ºC temperature rise
(9)Grease nipples for frame 450 to 630MM
(10)Continuous Duty S1
(11)With thermal protection PTC140 ºC or PT100
(12)Larger diameter shafts for the highest overhung load ratings in the industry
(13)Oversized roller bearings for maximum load capacity
(14)Other optional features under request
3.Typical applications
(1)Compressor
(2)Rubber mixer
(3)Fans and Pumps
(4)Air brower
(5)Coal mill and rolling mill
(6)Crushers
(7)Conveyor belts
(8)Centrifugal machines
(9)Lathe
(10)Hoist
4.Technical parameters:
Comparison of different series 6 Kv, 10 Kv, 11 Kv High Voltage Electric motors
No. |
Squirrel-cage motor |
Y |
YKK |
YKS |
Y2 YJS |
| Slip-ring motor |
YR |
YRKK |
YRKS |
/ |
1 |
Structure |
Box-type construction, made up of steel plates welded with each other |
Compact struction |
2 |
Cooling method |
IC01 or (IC11, IC21, IC31) |
IC611 or IC616 |
IC81W |
IC411 |
| 3 |
Natural ventilation, with top mounted protection cover |
With top mounted air-air cooler |
With top mounted air-water cooler |
|
| 4 |
Protection type |
IP23 |
IP44 or IP54 |
IP44 or IP54 IP55 |
IP54 IP55 |
| 5 |
Insulation |
F |
| 6 |
Mounting arrangement |
IMB3 |
| 7 |
Voltage available |
3kv, 3.3kv; 6kv, 6.6kv; 10kv, 11kv |
| 8 |
Frequency available |
50Hz , 60Hz |
5.Packaging:Plywood cases
Audited Supplier 
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