New Hengli YR,YRKK,YRKS slip ring high voltage ac motors are designed with the application of modern technology and excellent dynamic properties, meeting the most severe application in areas that include automation and process control. It own reliability and high performance, guarantee long operating periods without maintenance, the New Hengli YR,YRKK,YRKS high voltage ac motors present outstanding operating features, which also include:
· High efficiency
· Low noise level
· High moment of inertia
· Excellent commutation quality
· Three-phase, 50, 60 Hz
· Voltage: 380 to 11000 V
· Rated output: up to 12500kw
· Number of poles: 2 ,4,6,8,10,12 ,16 poles
· Frame sizes: 355 mm to 1000mm
· Wound rotor Slip ring
· Class insulation :F
· Continuous Duty :S1
· With thermal protection PT100
· Larger diameter shafts for the highest overhung load ratings in the industry
· Oversized roller bearings for maximum load capacity
· Other optional features under request
Roughign mill,Coal mill,Cementary,Compressor,Rubber mixer,Fans and Pumps,Crushers etc.
Comparison of different series High Voltage motors | ||||
No. | Squirrel cage motor | Y | YKK | YKS |
Wound rotor motor | YR | YRKK | YRKS | |
1 | Structure | Box-type construction, made up of steel plates welded with each other | ||
2 | Cooling method | IC01 | IC611/IC616 | IC81W |
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(Totally enclosed) | IP44 or IP54(Totally enclosed) |
5 | Insulation | F | ||
6 | Mounting arrangement | IMB3 | ||
7 | Voltage available | 3kv,3.3kv, 6kv,10kv ,11kv or other | ||
8 | Frequency available | 50Hz , 60Hz | ||
9 | Connection | Y | ||