YR series medium size 3 phase asynchronous high voltage slip ring motor, high voltage wound rotor motor is high in efficiency, reliable in operation and easy to mount and maintain. This series motor is also advanced in mechanical, electrical and insulation performance, and high technology in manufacturing.
YR series motor is used for driving compressor, ventilator, water pump, breaker, cutting machine, grinding mill and other general purpose machines.
The frame of motor is welded by steel plates to be formed a box-type.
The rotor winding of YR series motor is made of copper bar wrapped, with class F insulation.
The motor is designed to use rolling bearing with grease lubrication or sliding with diluted oil lubrication. The oil can be charged and discharged conveniently.
Comparison of different series High Voltage motor
No. |
Squirrel cage motor |
Y |
YKK |
YKS |
Y2 |
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 |
IP54 |
5 |
Insulation |
F |
6 |
Mounting arrangement |
IMB3 |
7 |
Voltage available |
3kv, 3.3kv; 6kv, 6.6kv; 10kv, 11kv |
8 |
Frequency available |
50Hz , 60Hz | |